CN213034434U

CN213034434U - Portable clamping device

Info

Publication number: CN213034434U
Application number: CN202020268011.9U
Authority: CN
Inventors: 金鑫; 夏辉; 石中才; 王磊; 窦津; 乔新栋; 刘世琪; 赵赫
Original assignee: Tianjin Transportation Technical College
Current assignee: Tianjin Transportation Technical College
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2021-04-23
Anticipated expiration: 2030-03-06

Abstract

The utility model provides a lightweight clamping device, which comprises a frame, the center of the frame fretwork, and fretwork department transverse connection have the guide arm, the guide arm outside slides and has cup jointed the guide block, guide block upside longitudinal connection left clamp splice, frame right-hand member upper surface longitudinal connection right clamp splice, frame left end upper surface longitudinal connection mounting bracket, installation adjustment mechanism between mounting bracket and the left clamp splice. The utility model discloses a beneficial effect is: the square tube clamping device has the advantages that the square tube clamping device has a supporting function by utilizing a frame structure made of square tubes, a clamping function is realized by utilizing the left support, the right support and the positive and negative buckle mechanism, the product is simple in structure, light in weight, convenient to fix and install, low in manufacturing cost and good in clamping performance, and the square tube clamping device is suitable for clamping light and small parts.

Description

Portable clamping device

Technical Field

The utility model belongs to the technical field of door and window hardware technique and specifically relates to a lightweight clamping device is related to.

Background

The clamping device on the market is made of cast steel, has complex structure, more parts, large volume, heavy weight, inconvenient movement, high manufacturing cost and high selling price, and is inconvenient to operate due to overlarge volume when used for clamping light and small parts.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a lightweight clamping device, simple structure, light in weight, convenient fixed and installation, low in manufacturing cost, clamping performance is good, is applicable to the light small-size spare part of centre gripping.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a lightweight clamping device, includes the frame, frame center fretwork, and fretwork department transverse connection has the guide arm, the guide arm outside slides and has cup jointed the guide block, guide block upside longitudinal connection left clamp splice, frame right-hand member upper surface longitudinal connection right clamp splice, frame left end upper surface longitudinal connection mounting bracket, installation adjustment mechanism between mounting bracket and the left clamp splice.

Furthermore, adjustment mechanism includes two sets of supports and a positive back-off screw rod, and is two sets of the support is left socle and right branch frame respectively, left socle and right branch frame set up relatively, and the centre is the rhombus, left socle and right branch frame rhombus space in-connection are just the back-off screw rod.

Further, the left support comprises a left front support and a left rear support, the right support comprises a right front support and a right rear support, one end of each of the left front support and the left rear support is rotatably connected to the mounting frame, one end of each of the right front support and the right rear support is rotatably connected to the left clamping block,

furthermore, the other ends of the left front support and the right front support are rotatably connected together, and the other ends of the left rear support and the right rear support are rotatably connected together.

Furthermore, at the joint of the left front bracket and the right front bracket, the upper end and the lower end of the left front bracket and the right front bracket are both connected with a connecting hole at the upper end and the lower end of a cylindrical nut; the upper end and the lower end of the left rear support and the upper end and the lower end of the right rear support are connected with the upper end and the lower end of the other cylindrical nut.

Furthermore, the central threaded holes of the two cylindrical nuts are connected with a positive and negative threaded rod.

Furthermore, the front end of the positive and negative buckle screw rod is connected with a handle or a sawtooth wheel.

Furthermore, four corners of the frame are provided with bolt holes.

Furthermore, knurling is arranged on the inner side wall, opposite to the left clamping block and the right clamping block, of the left clamping block.

Further, frame, mounting bracket and guide arm all select for use square pipe to make, left side clamp splice, right clamp splice, left socle and right branch frame all adopt the channel-section steel.

Compared with the prior art, a lightweight clamping device have following advantage:

the utility model discloses the frame construction who utilizes square pipe to make plays the supporting role, utilizes left socle, right branch frame and positive and negative knot mechanism to play the effect of centre gripping, product simple structure, light in weight, convenient fixed and installation, low in manufacturing cost, and clamping performance is good, is applicable to the light small-size spare part of centre gripping.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic view of a portable clamping device according to an embodiment of the present invention;

fig. 2 is a schematic view of another perspective of the embodiment of the present invention;

fig. 3 is a schematic view of a cylindrical nut according to an embodiment of the present invention.

Description of reference numerals:

1-a frame; 2-a guide rod; 3-a guide block; 4-a mounting frame; 5-a left clamping block; 6-right clamping block; 7-left anterior support; 8-left rear support; 9-positive and negative buckle screw; 10-a handle; 11-a cylindrical nut; 12-right front bracket; 13-right rear support; 111-central threaded hole; 112-connecting hole.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1-3, a lightweight clamping device, includes frame 1, frame 1 center fretwork, and fretwork department transverse connection has guide arm 2, guide block 3 has been cup jointed in the slip of the 2 outsides of guide arm, 3 upside longitudinal connections left clamp splice 5 of guide block, 1 right-hand member upper surface longitudinal connections right clamp splice 6 of frame, 1 left end upper surface longitudinal connections mounting bracket 4 of frame, installation adjustment mechanism between mounting bracket 4 and the left clamp splice 5.

The adjusting mechanism comprises two groups of supports and a positive and negative buckle screw rod 9, the supports are respectively a left support and a right support, the left support and the right support are arranged oppositely, the middle of the left support and the right support are rhombic, and the positive and negative buckle screw rod 9 is longitudinally connected in rhombic spaces of the left support and the right support.

The left bracket comprises a left front bracket 7 and a left rear bracket 8, the right bracket comprises a right front bracket 12 and a right rear bracket 13, one end of each of the left front bracket 7 and the left rear bracket 8 is rotatably connected on the mounting frame 4, one end of each of the right front bracket 12 and the right rear bracket 13 is rotatably connected on the left clamping block 5,

the other ends of the left front bracket 7 and the right front bracket 12 are rotatably connected together, and the other ends of the left rear bracket 8 and the right rear bracket 13 are rotatably connected together.

At the joint of the left front bracket 7 and the right front bracket 12, the upper and lower ends of the left front bracket 7 and the right front bracket 12 are connected with the upper and lower ends of a cylindrical nut 11 in a connecting hole 112; the upper and lower ends of the left rear bracket 8 and the right rear bracket 13 are connected with the upper and lower end connecting holes 112 of the other cylindrical nut 11 at the connecting part of the left rear bracket 8 and the right rear bracket 13.

The central threaded holes 111 of the two cylindrical nuts 11 are connected with a positive and negative buckle screw 9.

The front end of the positive and negative buckle screw 9 is connected with a handle 10 or a sawtooth wheel, and an operator drives the whole device by shaking the handle 10; or the sawtooth wheel is connected with the driving wheel, the driving wheel is connected with the motor, and the whole device is driven by the motor.

Four corners of the rack 1 are provided with bolt holes, and bolts are installed in the bolt holes to fix the rack 1 on the workbench.

The inner side wall of the left clamping block 5, which is opposite to the right clamping block 6, is provided with knurls, so that the friction force during clamping is increased, and a better clamping effect is ensured.

Frame 1 frame, mounting bracket 4 and guide arm 2 all select for use square pipe to make, left side clamp splice 5, right clamp splice 6, left socle and right branch frame all adopt the channel-section steel, and the cost is lower.

The working process of the embodiment is as follows:

the device is used for fixing a workpiece to be processed, the device is fixedly installed on an operation table through bolt holes in four corners of a rack 1, the workpiece to be processed is placed between a left clamping block 5 and a right clamping block 6, an operator shakes a handle 10 to enable a positive and negative buckle screw 9 to drive a front cylindrical nut and a rear cylindrical nut 11 to move towards the middle, so that a left support and a right support move towards the front and rear centers, the right support pushes the left clamping block 5 to move towards the right, when the right clamping block 6 contacts the workpiece to be processed, the handle 10 continues to shake, and the left clamping block 5 and the right clamping block 6 clamp the workpiece to be processed.

After the workpiece to be processed is processed, the handle 10 is reversely shaken to enable the left clamping block 5 to move leftwards, the workpiece is loosened by the left clamping block 5 and the right clamping block 6, and the workpiece is taken out.

The device utilizes positive and negative knot screw rod 9 drive cylindric nut 11 to the middle motion in-process, promotes left socle and right branch frame, and left socle and right branch frame drive left clamp splice 5 realize the centre gripping to object or part.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A lightweight clamping device which characterized in that: the automatic clamping device comprises a frame, the frame center fretwork, and fretwork department transverse connection have a guide arm, the guide block has been cup jointed in the guide arm outside slip, guide block upside longitudinal connection left clamp splice, frame right-hand member upper surface longitudinal connection right clamp splice, frame left end upper surface longitudinal connection mounting bracket, installation adjustment mechanism between mounting bracket and the left clamp splice.

2. A lightweight clamping device as defined in claim 1, further comprising: the adjusting mechanism comprises two groups of supports and a positive and negative buckle screw rod, the two groups of supports are respectively a left support and a right support, the left support and the right support are arranged oppositely, the middle of the left support and the right support are rhombic, and the positive and negative buckle screw rods are connected in rhombic spaces of the left support and the right support.

3. A lightweight clamping device as defined in claim 2, further comprising: the left socle includes left front support and left back support, the right branch frame includes right front support and right back support, the one end of left side front support and left back support is all rotated and is connected on the mounting bracket, the one end of right front support and right back support is all rotated and is connected on left clamp splice.

4. A lightweight clamping device as defined in claim 3, further comprising: the other ends of the left front support and the right front support are rotatably connected together, and the other ends of the left rear support and the right rear support are rotatably connected together.

5. A lightweight clamping device as defined in claim 4, further comprising: the upper end and the lower end of the left front bracket and the right front bracket are connected with the connecting holes of the upper end and the lower end of a cylindrical nut; the upper end and the lower end of the left rear support and the upper end and the lower end of the right rear support are connected with the upper end and the lower end of the other cylindrical nut.

6. A lightweight clamping device as defined in claim 5, further comprising: and the central threaded holes of the two cylindrical nuts are internally and jointly connected with a positive and negative buckle screw.

7. A lightweight clamping device as defined in claim 6, further comprising: the front end of the positive and negative buckle screw rod is connected with a handle or a sawtooth wheel.

8. A lightweight clamping device as defined in claim 1, further comprising: and bolt holes are formed in four corners of the rack.

9. A lightweight clamping device as defined in claim 1, further comprising: knurling is arranged on the inner side wall, opposite to the left clamping block, of the right clamping block.

10. A lightweight clamping device as defined in claim 1, further comprising: frame, mounting bracket and guide arm all select for use the side pipe to make, left side clamp splice, right clamp splice, left socle and right branch frame all adopt the channel-section steel.