CN218000978U

CN218000978U - Adjustable clamping support

Info

Publication number: CN218000978U
Application number: CN202222341363.4U
Authority: CN
Inventors: 俞波; 张辉; 滕强; 史颖妍
Original assignee: Ningbo Haibo Precision Machinery Manufacturing Co ltd
Current assignee: Ningbo Haibo Precision Machinery Manufacturing Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-12-09
Anticipated expiration: 2032-08-31

Abstract

The utility model provides a clamping support that can adjust, improve on the basis of current base station and left and right clamp splice and adjusting part, still include that one end articulates left and right pivoted arm on the base station jointly, left and right clamp splice is installed upright on left and right rocking arm respectively with rotating, adjusting part includes that the sliding seat of retraining on the base station with sliding and support the regulation pole on the sliding seat with rotating, adjust the pole and have the screw thread section of being connected with one of them clamp splice looks screw thread of left and right clamp splice and with the smooth section of another clamp splice looks rotation connection of left and right clamp splice, another clamp splice of left and right clamp splice is spacing on the smooth section by the axial, the slip direction of movable seat is perpendicular to adjusts the pole. When the clamping device is used, the adjusting rod is rotated to drive the left rotating arm and the right rotating arm to rotate, and then the left clamping block and the right clamping block can only move oppositely or oppositely by means of the constraint of the movable seat, so that the aim of clamping or loosening an object to be clamped is fulfilled.

Description

Adjustable clamping support

Technical Field

The utility model relates to a support field specifically indicates a tight support of clamp that can adjust.

Background

The clamping bracket has a wide application field, such as being applied to a machine tool, and is used for rapidly adjusting and clamping workpieces to be processed with different sizes and shapes. The document with Chinese patent application publication No. CN110497228A discloses a clamping device with the function, which comprises a left plywood, a right plywood and two adjusting splints, wherein the left plywood and the right plywood are driven by an adjusting shaft to rotate through rotating an adjusting rod, and then the left plywood and the right plywood are driven to be simultaneously folded and unfolded through the meshing of the two adjusting gears and a left closing rack and a right closing rack. Meanwhile, the distance between the left adjusting clamping plate and the right adjusting clamping plate can be adjusted by rotating the adjusting disc, and the workpiece to be machined is clamped through the rubber block. After the adjustment is in place, the positioning is carried out through the fastening screw rod.

The clamping support is also applied to the optical field, for example, a fixed holder disclosed in the document of Chinese patent application publication No. CN107830994A, which comprises a fixed frame and a clamping platform arranged on the fixed frame, wherein the clamping platform is provided with a clamping part capable of adjusting the size of a clamping gap, the clamping part comprises a left clamping block and a right clamping block which can move along the length direction of the clamping platform and an adjusting component for adjusting the moving distance of the left clamping block and the right clamping block, and the fixed frame is also provided with a rotating part capable of enabling the clamping platform to rotate relative to the fixed frame. Wherein the adjusting component adopts a screw and nut pair. The distance between the left clamping block and the right clamping block can be adjusted through the adjusting assembly, so that the device is suitable for lens tests of various specifications.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to prior art's current situation, a clamping support that novel structure can be adjusted is provided to the thing is pressed from both sides to treating that can be applicable to the tight multiple specification of clamp equally.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a can adjust press from both sides tight support, including base station, left clamp splice, right clamp splice and can adjust left and right clamp splice relative movement and can press from both sides the adjusting part of treating the clamp-on thing on the base station, its characterized in that: the adjusting assembly comprises a movable seat which is slidably constrained on the base and an adjusting rod which is rotatably supported on the movable seat, the adjusting rod is provided with a thread section which is in threaded connection with one of the left clamping block and the right clamping block and a smooth section which is in rotational connection with the other clamping block, the other clamping block is axially limited on the smooth section, and the sliding direction of the movable seat is perpendicular to the adjusting rod.

In the above solution, it is preferable that the left clamping block is hinged on the left rotating arm through a left upright pin, and the left upright pin is provided with a screw hole in threaded connection with the threaded section; the right clamping block is hinged on the right rotating arm through a right upright pin, and a through hole matched with the smooth section of the adjusting rod is formed in the right upright pin.

In the above scheme, it is further preferable that the movable seat includes a shaft sleeve sleeved on the smooth section and a movable rod fixed to the shaft sleeve, and the movable rod is slidably inserted into the guide hole of the base.

In order to prevent the shaft sleeve from being worn in a transition mode, a lining sleeved outside the smooth section is arranged in the shaft sleeve.

In each of the above solutions, the base station includes a base and a platform supported on the base, one end of the left and right rotating arms is clamped between the platform and the base, and a locking member for locking the left and right rotating arms between the platform and the base is provided. So as to ensure that the left clamping block and the right clamping block are kept in a required state after being moved in place.

The bottom surface of the platform is provided with a connecting part extending downwards, the connecting part penetrates through one end of the left rotating arm and one end of the right rotating arm and then is in threaded connection with a fastening piece, and the fastening piece and the connecting part form the locking piece.

Preferably, the connecting part is a threaded sleeve, a left connecting sleeve is arranged at one end of the left rotating arm, a right connecting sleeve which is mutually inserted and matched with the left connecting sleeve is arranged at one end of the right rotating arm, the connecting part is inserted into the left and right connecting sleeves, and the fastening piece is a locking bolt. So that the rotation is stable and the locking is reliable.

In order to facilitate the application of force to the locking bolt, it is preferable that an operation hole is formed in the bottom peripheral surface of the locking bolt, and an operation handle is inserted into the operation hole.

In order to prevent the corresponding surfaces from being worn in the clamping process, the wear-resistant pads are further improved to be fixed on the upper surface of the platform and/or the opposite surfaces of the left clamping block and the right clamping block.

Preferably, the left clamping block and the right clamping block, and the left rotating arm and the right rotating arm are respectively and symmetrically distributed with the center of the platform.

Compared with the prior art, because the utility model discloses only need the rotation regulation pole, utilize the rotary motion who adjusts the pole, drive the rotation that drives left and right swivel arm when adjusting pole axial displacement, and borrow the slip restraint in the sliding seat again, make left and right clamp splice can only take place relative or back of the body motion mutually, thereby reach the same clamp and tightly or relax the purpose of treating the clamp, and because only the operation regulation pole just can realize fast, so convenient operation adjusts fast.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a rear perspective view of FIG. 2;

FIG. 3 is an exploded perspective view of FIG. 1;

FIG. 4 is a schematic perspective cross-sectional view of the adjustment lever of FIG. 2;

FIG. 5 is a schematic perspective cross-sectional view of the retainer of FIG. 2;

FIG. 6 is a schematic perspective view of the left and right clamping blocks of FIG. 1 moving to the most distant position;

fig. 7 is a rear perspective view of fig. 6.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

In the following description of the embodiments, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "axial", "circumferential", and the like are used in the orientations and positional relationships indicated in the drawings, which are for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, since the disclosed embodiments of the invention may be arranged in different orientations, these terms are intended to be illustrative only and should not be construed as limiting, e.g., "upper" and "lower" are not necessarily intended to be limited to orientations opposite or consistent with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

As shown in fig. 1 to 5, the clamping bracket includes a base 1, a left rotating arm 2, a right rotating arm 3, a left clamping block 4, a right clamping block 5 and an adjusting assembly 6, wherein the base 1 includes a base 11 and a platform 12 supported on the base, in the figure, the base 11 and the platform 12 are designed into a split structure, the top surface of the platform is used for placing an object to be clamped, and in order to prevent the surface of the platform 12 and the corresponding surface of the object to be clamped from being worn, a wear pad a is fixed on the platform 12, and the wear pad a can be made of rubber or the like, so as to achieve the purposes of anti-skid and wear resistance, and protecting the surface. The bottom surface of the platform 12 is provided with a support portion 121 and a connecting portion 122 extending downward, in the figure, the support portion 121 and the connecting portion 122 are both designed as thread sleeves, corresponding to the two thread sleeves, a mounting hole 111 and a locking hole 112 are opened on the base 11, a fastening bolt 7a is in threaded connection with the support portion 121 through the mounting hole 111, a locking bolt 7b is installed in the locking hole 112, and the locking bolt 7b is in threaded connection with the connecting portion 122, so that the platform 12 is fixed on the base 11. In order to facilitate the operation of the locking bolt 7b, the side wall of the locking hole 112 is formed with a long hole 113 extending in the circumferential direction, the bottom peripheral surface of the locking bolt 7b is formed with an operation hole 71b, and the operation handle 72b is inserted into the operation hole 71b through the long hole 113, so that the locking bolt 7b can be easily rotated only by applying a force to the operation handle 72 b.

The left and right rotating

arms

2 and 3 are located below the platform 12 (the left and right directions are the directions shown in fig. 1), one ends of the left and right rotating arms are hinged to the base 1 together, specifically, the left and right rotating

arms

2 and 3 are symmetrically distributed with respect to the center of the platform 12, and one ends of the left and right rotating arms are rotatably sleeved on the connecting portion 122. In order to rotate more stably, a left connecting sleeve 21 is arranged at one end of the left rotating arm 2, a right connecting sleeve 31 is arranged at one end of the right rotating arm 3, the left connecting sleeve 21 is inserted into the right connecting sleeve 31, please refer to fig. 5, the connecting part 122 is inserted into the left connecting sleeve 21, and in order to prevent abrasion in the rotating process of the left and right rotating arms, gaskets B are arranged between the left rotating arm and the platform, between the left and right rotating arms, and between the right rotating arm and the base. By tightening the lock bolt 7b in this manner, the operation lever 72b is positioned on the right side of the elongated hole 113 shown in fig. 1, and the left and right swing arms can be locked between the platform 12 and the base 11. Conversely, the left and right rotating arms can be freely rotated by loosening the locking bolt 71 b. The locking bolt 7b and the connecting portion 122 thus constitute a locking member for locking the left and right swing arms between the platform 12 and the base 11.

The left clamping block 4 and the right clamping block 5 are arranged oppositely, specifically, the left clamping block 4 and the right clamping block 5 are also symmetrically distributed with each other with the center of the platform 12, wherein the left clamping block 4 is hinged on the other end of the left rotating arm 2 through a left upright pin 41, the lower end of the left upright pin 41 is positioned below the left rotating arm 2 and is provided with a screw hole 411; the right clamping block 5 is hinged on the other end of the right rotating arm 3 through a right upright pin 51, and the lower end of the right upright pin 51 is positioned below the right rotating arm 3 and is provided with a through hole 511. Also, in order to prevent the surface of the clamping piece or the surface of the clamped object from being abraded in the clamping process, wear pads A are fixed on the opposite surfaces of the left clamping block 4 and the right clamping block 5.

The adjusting assembly 6 is mainly used for adjusting the relative movement of the left clamping block 4 and the right clamping block 5 to clamp the object to be clamped on the platform 12, the adjusting assembly 6 in this embodiment includes a movable seat 61 slidably constrained on the base 1 and an adjusting rod 62 rotatably supported on the movable seat 61, wherein the adjusting rod 62 has a threaded section 621 in threaded connection with one of the left clamping block and the right clamping block and a smooth section 622 rotatably connected with the other of the left clamping block and the right clamping block, in the figure, the threaded section 621 is in threaded connection with a threaded hole 411 on the left upright pin 41, while the left upright pin is fixed with the left clamping block 4 through a positioning pin C, i.e. the threaded section 621 is in threaded connection with the left clamping block 4 through the left upright pin 41, the smooth section 622 is rotatably inserted in a through hole 511 of the right upright pin 51, and since the right upright pin 51 is also fixed with the right clamping block 5 through the positioning pin C, that is, the smooth section 622 is rotatably connected with the right clamping block 5 through the right upright pin 51. And the right vertical pin 51 is axially limited on the smooth section 622, the axial limiting structure can adopt a conventional structure, as shown in fig. 4, the end part of the smooth section 622 is designed into a small-diameter part, so that a shoulder 6221 is formed on the smooth section 622, the right vertical pin 51 is sleeved on the small-diameter part through the through hole 511 and abuts against the shoulder 6221, an axial screw hole is formed on the end surface of the smooth section 622, a limiting bolt 7c is in threaded connection in the axial screw hole, so that the right direct pin 51 is limited between the limiting bolt 7c and the shoulder 6221, and the purpose that the right clamping block 5 is axially limited on the smooth section 622 is achieved. The sliding direction of the movable seat 61 is perpendicular to the adjusting rod 62 to ensure that the adjusting rod 62 can only move horizontally while rotating around its own axis, specifically, the movable seat 61 includes a shaft sleeve 611 sleeved on the smooth section 622 and a movable rod 612 fixed with the shaft sleeve, and the movable rod 612 is slidably inserted into the guide hole 114 of the base 11, see fig. 4. In order to prolong the service life of the shaft sleeve 611, a bushing 613 sleeved outside the smooth section 622 is further disposed inside the shaft sleeve 611.

In order to apply force to the adjustment lever 62 conveniently, a hand wheel 63 is fixed to the left end of the adjustment lever 62,

during use, an object to be clamped is placed on the platform 12, the object to be clamped needs to move relative to the left clamping block and the right clamping block, the locking bolt 7b is loosened, force is applied to the hand wheel 63, the adjusting rod 62 is driven to rotate along with rotation of the hand wheel 63, at the moment, the left rotating arm and the right rotating arm rotate and then move close to each other relatively by means of threaded connection of the adjusting rod 62 and the left upright pin 41, meanwhile, the movable seat 61 is forced to slide towards the direction far away from the base 11, the adjusting rod 62 also moves far away from the base, and meanwhile, the adjusting rod moves axially towards the left. Referring to fig. 6 and 7, the left and right clamping blocks can approach each other with the left and right rotating arms relatively close to each other under the constraint of the adjusting rod 62, and finally the object to be clamped is clamped. Finally, the locking bolt 7b is rotated to lock the left and right rotating arms to prevent them from rotating, thereby keeping the left and right clamping blocks in a clamped state. On the contrary, when the clamped object needs to be loosened, the locking screw 7b is unscrewed, and then the hand wheel 63 is rotated reversely, so that the left rotating arm and the right rotating arm are rotated back to back and away from each other, and simultaneously the left clamping block and the right clamping block are driven to be away from each other, and accordingly the adjusting rod and the movable seat are gradually close to the base, so that the clamping or loosening of the object to be clamped can be conveniently realized. And simple structure adjusts fast.

In addition to the preferred embodiment described above, the connection can also be designed as a connecting post with a thread at the end. Or the base and platform are made as one piece. That is, such a solution also falls within the scope of the present invention.

Claims

1. The utility model provides a can adjust press from both sides tight support, including base station (1), left clamp splice (4), right clamp splice (5) and can adjust left and right clamp splice relative movement and can press from both sides tight the adjusting part (6) of treating the clamp-on thing of base station, its characterized in that: the adjustable clamping device is characterized by further comprising a left rotating arm (2) and a right rotating arm (3) with one end hinged to and supported on the base platform, the left clamping block and the right clamping block are respectively and vertically installed on the left rotating arm and the right rotating arm in a rotating mode, the adjusting assembly (6) comprises a movable seat (61) which is slidably constrained on the base platform (1) and an adjusting rod (62) which is rotatably supported on the movable seat, the adjusting rod (62) is provided with a threaded section (621) which is in threaded connection with one of the left clamping block and the right clamping block and a smooth section (622) which is rotatably connected with the other of the left clamping block and the right clamping block, the other of the left clamping block and the right clamping block is axially limited on the smooth section (622), and the sliding direction of the movable seat (61) is perpendicular to the adjusting rod (62).

2. The clamping bracket of claim 1, wherein: the left clamping block (4) is hinged on the left rotating arm (2) through a left upright pin (41), and a screw hole (411) in threaded connection with the threaded section (621) is formed in the left upright pin (41); the right clamping block (5) is hinged on the right rotating arm (3) through a right upright pin (51), and a through hole (511) matched with the smooth section (622) of the adjusting rod is formed in the right upright pin (51).

3. The clamping bracket of claim 1, wherein: the movable seat (61) comprises a shaft sleeve (611) sleeved on the smooth section (622) and a movable rod (612) fixed with the shaft sleeve, and the movable rod (612) is slidably inserted into the guide hole (114) of the base station (1).

4. The clamping bracket of claim 3, wherein: a bushing (613) sleeved outside the smooth section (622) is arranged in the shaft sleeve (611).

5. The clamping bracket of any one of claims 1 to 4, wherein: the base station (1) comprises a base (11) and a platform (12) supported on the base, one end of each of the left rotating arm and the right rotating arm is clamped between the platform (12) and the base (11), and a locking piece for locking the left rotating arm and the right rotating arm between the platform (12) and the base (11) is arranged at the same time.

6. The clamping bracket of claim 5, wherein: the bottom surface of the platform (12) is provided with a connecting part (122) extending downwards, the connecting part (122) penetrates through one end of the left rotating arm and one end of the right rotating arm and then is in threaded connection with a fastener, and the fastener and the connecting part (122) form the locking piece.

7. The clamping bracket of claim 6, wherein: connecting portion (122) are the swivel nut, the one end of left side rocking arm (2) has left adapter sleeve (21), the one end of right side rocking arm (3) have with this left adapter sleeve (21) each other inside and outside insert right adapter sleeve (31) of joining in marriage, connecting portion (122) insert in this left and right adapter sleeve, the fastener be locking bolt (7 b).

8. The clamping bracket of claim 7, wherein: an operation hole (71 b) is formed in the bottom peripheral surface of the lock bolt (7 b), and an operation handle (72 b) is inserted into the operation hole.

9. The clamping bracket of claim 5, wherein: wear pads (A) are fixed on the upper surface of the platform (12) and/or the opposite surfaces of the left clamping block and the right clamping block.

10. The clamping bracket of claim 5, wherein: the left clamping block and the right clamping block, and the left rotating arm and the right rotating arm are respectively and symmetrically distributed with the center of the platform (12).