CN111673500A

CN111673500A - Clamping device

Info

Publication number: CN111673500A
Application number: CN202010521508.1A
Authority: CN
Inventors: 张雪蓉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2020-09-18

Abstract

The invention relates to the technical field of clamping structures, in particular to a clamping device. The structure of the device comprises a rectangular stand with a mounting plate fixedly arranged at the bottom, arc-shaped grooves and notches are crosswise arranged at the upper side of the rectangular stand, an electric push rod is vertically arranged at the bottom of the inner side of the rectangular stand, a connecting block is fixedly arranged at the telescopic end of the electric push rod, the upper side and the lower side of the connecting block are respectively provided with a limiting rod and a rotating rod in a penetrating way, the middle part of the rotating rod is sleeved with a long bearing, the rotating rod is rotationally connected with the connecting block through a long bearing, the left side and the right side of the rotating rod are respectively provided with threads which are symmetrically arranged, each thread is connected with a moving block through a thread, an arc-shaped clamping plate is fixedly arranged on the upper side of the moving block, two ends of the limiting rod penetrate through the lower side of each moving block, under the notch was located to the arc splint, electric putter upwards stretched out and drawn back and promoted the bull stick and make progress the displacement, and the bull stick passes through long bearing and is connected with the connecting block rotation, runs through the movable block through the gag lever post and carries on spacingly.

Description

Clamping device

Technical Field

The invention relates to the technical field of clamping structures, in particular to a clamping device.

Background

Clamping device is that industrial production adds man-hour and presss from both sides tight fixed structure to the work piece, be used for preventing that the work piece from producing the device of displacement or vibration then processing with the cutter to it in the course of working, current clamping device to tubular product is semicircular clamping sleeve usually, and utilize a plurality of motors or utilize a plurality of telescoping cylinders to drive the clamping sleeve and carry out the centre gripping simultaneously and just can press from both sides tightly, it is with high costs, and some drive arrangement drive the clamping sleeve and slowly sticis the tubular product work piece and fix it, only unilateral carry out the centre gripping to the work piece, still need hold with the hand during use, tubular product is cylindrical usually, take place to skid easily, and some work piece quality is heavier, it is comparatively arduous to go up the work piece removal, thereby the result of use is poor influences work efficiency.

Disclosure of Invention

In view of the disadvantages of the prior art, the present invention is directed to a clamping device to solve the above-mentioned problems.

In order to achieve the purpose, the invention is realized by the following technical scheme: a clamping device structurally comprises: a rectangular stand with a mounting plate fixedly arranged at the bottom, an arc-shaped groove and a notch are crosswise arranged at the upper side of the rectangular stand, an electric push rod is vertically arranged at the bottom of the inner side of the rectangular stand, a connecting block is fixedly arranged at the telescopic end of the electric push rod, the upper side and the lower side of the connecting block are respectively provided with a limiting rod and a rotating rod in a penetrating way, the middle part of the rotating rod is sleeved with a long bearing, the rotating rod is rotationally connected with the connecting block through a long bearing, the left side and the right side of the rotating rod are respectively provided with threads which are symmetrically arranged, each thread is connected with a moving block through a thread, an arc-shaped clamping plate is fixedly arranged on the upper side of the moving block, two ends of the limiting rod penetrate through the lower side of each moving block, under the notch was located to the arc splint, electric putter upwards stretched out and drawn back and promoted the bull stick and make progress the displacement, and the bull stick passes through long bearing and is connected with the connecting block rotation, runs through the movable block through the gag lever post and carries on spacingly.

The further improvement is that: the utility model discloses a tubular product clamping device, including rectangular stand, bull stick, gear, rack, rotating rod, gear, rack and gear, the rotating rod left and right sides all overlaps and is equipped with the gear, the rack has set firmly perpendicularly in the inside both sides of rectangular stand, rack and gear intermeshing, because the gear engagement rack of bull stick upward displacement messenger both sides upwards rotates, therefore drives the bull stick and takes place to rotate for the relative displacement of the relative screw thread meshing movable block that sets up in both sides, after the movable block relative displacement arrived a certain position, carry out the centre gripping through two arc splint to.

The further improvement is that: the utility model discloses a rotary push rod, including the bull stick, the bull stick both ends set firmly circular slider, the inside both sides of rectangle pallet are provided with the spout perpendicularly, the rotatable block of circular slider is inboard in the spout, because the bull stick passes through long bearing and rotates at the connecting block, the rotatable block of circular slider through the bull stick both ends setting is on the spout for electric putter when flexible, the bull stick can keep the level to rotate, improves structural stability.

The further improvement is that: the ball of a plurality of is installed in arc wall surface embedding, the gag lever post passes through the screw fastening on the connecting block, and the specification quality of tubular product is different, reduces frictional force, labour saving and time saving through a plurality of balls of arc wall setting.

The further improvement is that: the rubber pad that has the stripe is laminated to the last laminating of arc splint for can improve its tight frictional force of clamp when the tubular product centre gripping, and rubber pad itself has certain elastic buffer effect, can effectively reduce the wearing and tearing of tubular product when the centre gripping.

By adopting the technical scheme, the invention has the beneficial effects that: according to the clamping device provided by the invention, the two sides of the pipe can be clamped simultaneously through the single electric push rod, the equipment cost is greatly reduced, the structure is unique, the clamping effect is good, the pipe can be adjusted and moved more easily, the utilization rate and the working efficiency are improved, and the clamping device has positive and beneficial use effects.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following 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;

FIG. 3 is a schematic structural view of the arc splint of the present invention;

FIG. 4 is a structural diagram illustrating a use state of the present invention;

in the figure: the device comprises a rectangular stand 1, a mounting plate 2, an arc-shaped groove 3, a ball 31, a notch 4, an electric push rod 5, a connecting block 6, a limiting rod 61, a rotating rod 7, a thread 71, a gear 72, a long bearing 8, a moving block 9, an arc-shaped clamping plate 10, a rubber pad 101, a rack 11, a circular sliding block 12 and a sliding groove 13.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 4, the present invention provides a technical solution of a clamping device: a clamping device structurally comprises: the bottom of the rectangular stand platform 1 is fixedly provided with a mounting plate 2, the upper side of the rectangular stand platform 1 is provided with an arc-shaped groove 3 and a notch 4 in a crossed manner, the bottom of the inner side of the rectangular stand platform 1 is vertically provided with an electric push rod 5, the telescopic end of the electric push rod 5 is fixedly provided with a connecting block 6, the upper side and the lower side of the connecting block 6 are respectively provided with a limiting rod 61 and a rotating rod 7 in a penetrating manner, the middle part of the rotating rod 7 is sleeved with a long bearing 8, the rotating rod 7 is rotatably connected with the connecting block 6 through the long bearing 8, the left side and the right side of the rotating rod 7 are respectively provided with threads 71 which are symmetrically arranged, each thread 71 is in threaded connection with a moving block 9, the upper side of each moving block 9 is fixedly provided with an arc-shaped clamping plate 10, the two ends of the limiting rod 61 penetrate, the rotating rod 7 is rotatably connected with the connecting block 6 through a long bearing 8, the limiting rod 61 penetrates through the moving block 9 for limiting, gears 72 are sleeved on the left side and the right side of the rotating rod 7, racks 11 are vertically and fixedly arranged on two sides inside the rectangular stand 1, the racks 11 are meshed with the gears 72, the gears 72 on two sides are meshed with the racks 11 to rotate upwards due to the upward displacement of the rotating rod 7, so that the rotating rod 7 is driven to rotate, threads 71 oppositely arranged on two sides are meshed with the moving block 9 to relatively displace, after the moving block 9 relatively moves to a certain position, a pipe placed on the upper side of the arc-shaped groove 3 is clamped and stabilized through the two arc-shaped clamping plates 10, circular sliding blocks 12 are fixedly arranged at two ends of the rotating rod 7, sliding grooves 13 are vertically arranged on two sides inside the rectangular stand 1, the circular sliding blocks 12 can be rotatably clamped on the inner sides of the sliding, the rotatable block of circular slider 12 through 7 both ends settings of bull stick is on spout 13 for when electric putter 5 stretches out and draws back, the bull stick can keep the level to rotate, improves structural stability, 3 surface embedding of arc wall installs the ball 31 of a plurality of, gag lever post 61 passes through the screw fastening on connecting block 6, and the specification quality of tubular product is different, reduces frictional force, labour saving and time saving through a plurality of balls 31 of arc wall 3 setting, the laminating has a layer of rubber pad 101 that has the stripe on the arc splint 10 for can improve its tight frictional force of clamp when the centre gripping to tubular product, and rubber pad 101 itself has certain elastic buffer effect, can effectively reduce the wearing and tearing of tubular product when the centre gripping.

The working principle is as follows: according to the clamping device provided by the invention, a pipe workpiece is placed into the arc-shaped groove 3, friction force is reduced through the plurality of balls 31 arranged in the arc-shaped groove 3, time and labor are saved, after the electric push rod 5 of the clamping device stretches upwards to push the rotating rod 7 to move upwards, the rotating rod 7 is rotatably connected with the connecting block 6 through the long bearing 8, and the gear 72 at two sides is meshed with the rack 11 to rotate upwards due to the upward displacement of the rotating rod 7, so that the rotating rod 7 is driven to rotate, the threads 71 oppositely arranged at two sides are meshed with the moving block 9 to relatively move, and after the moving block 9 relatively moves to a certain position, the pipe placed on the upper side of the arc-shaped groove 3 is clamped and stabilized through the two arc-; a layer of rubber pad 101 with stripes is attached to an arc-shaped clamping plate 10 and used for improving the clamping friction force of the pipe when the pipe is clamped, the rubber pad 101 has a certain elastic buffering effect and can effectively reduce the abrasion of the pipe when the pipe is clamped, the double-side clamping of the pipe can be realized through a single electric push rod 5, the equipment cost is greatly reduced, the structure is unique, the clamping effect is good, the pipe is more light and simple to adjust and move, and the use rate and the working efficiency are improved.

The present invention has been described in detail with reference to the specific embodiments, but these should not be construed as limitations of the present invention. Many variations and modifications may be made by one of ordinary skill in the art without departing from the principles of the present invention, which should also be considered as within the scope of the present invention.

Claims

1. A clamping device structurally comprises: the bottom sets firmly rectangle pallet (1) that is equipped with mounting panel (2), its characterized in that: the upper side of the rectangular stand (1) is crossly provided with an arc-shaped groove (3) and a notch (4), an electric push rod (5) is vertically arranged at the bottom of the inner side of the rectangular stand (1), a connecting block (6) is fixedly arranged at the telescopic end of the electric push rod (5), the upper side and the lower side of the connecting block (6) are respectively provided with a limiting rod (61) and a rotating rod (7) in a penetrating way, the middle part of the rotating rod (7) is sleeved with a long bearing (8), the rotating rod (7) is rotationally connected with the connecting block (6) through a long bearing (8), the left side and the right side of the rotating rod (7) are respectively provided with a thread (71) which are symmetrically arranged, each thread (71) is in threaded connection with a moving block (9), arc-shaped clamping plates (10) are fixedly arranged on the upper sides of the moving blocks (9), two ends of the limiting rod (61) penetrate through the lower sides of the moving blocks (9), and the arc-shaped clamping plates (10) are arranged under the notches (4).

2. A clamping device as claimed in claim 1, characterized in that: the utility model discloses a gear rack, including bull stick (7), rack (11), gear (72) and rack (11), the rack is set firmly perpendicularly to the inside both sides of rectangle stand (1), rack (11) and gear (72) intermeshing.

3. A clamping device as claimed in claim 1, characterized in that: round sliding blocks (12) are fixedly arranged at two ends of the rotating rod (7), sliding grooves (13) are vertically formed in two sides of the interior of the rectangular stand (1), and the round sliding blocks (12) can be rotatably clamped on the inner sides of the sliding grooves (13).

4. A clamping device as claimed in claim 1, characterized in that: the surface of the arc-shaped groove (3) is embedded with a plurality of balls (31), and the limiting rod (61) is fastened on the connecting block (6) through screws.

5. A clamping device as claimed in claim 1, characterized in that: a layer of rubber pad (101) with stripes is attached to the arc-shaped clamping plate (10).