CN107521084B

CN107521084B - Double-pull clip

Info

Publication number: CN107521084B
Application number: CN201710735929.2A
Authority: CN
Inventors: 李勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-08-24
Filing date: 2017-08-24
Publication date: 2023-12-26
Anticipated expiration: 2037-08-24
Also published as: CN107521084A

Abstract

The invention relates to a double-pull clip which comprises a base and two clips positioned on one side of the base, wherein a first bearing and a second bearing are arranged on the base, the first bearing and the second bearing are not at the same height and are staggered with each other, each clip comprises a clip body and a clip head, a third bearing and a fourth bearing are arranged on the clip body, the third bearing and the fourth bearing are not at the same height and are staggered with each other, and the two clip bodies are connected with the base. According to the invention, the plurality of bearings are attached to the track, the bearings bear the limiting function, the bearing is prevented from being separated from the track, the rolling friction function is realized, the friction force is reduced, the abrasion to the track, the base and the clip is small, the part replacement period is long, the production efficiency is greatly improved, the running speed is stable, the traction force required for driving the clip and the base is greatly reduced, a smaller-power motor can be selected, and the energy consumption is saved.

Description

Double-pull clip

Technical Field

The invention relates to a clip, in particular to a double-pull clip.

Background

Stretching is a very important process in the film production process, the film is clamped by the clips, the clips are driven to run through the chain, the film is stretched, the bottoms of the clips are provided with graphite sliding blocks, and the graphite sliding blocks and the track surfaces are contacted and slide by means of the bottoms of the graphite sliding blocks, so that the graphite sliding blocks are large in friction resistance and easy to wear, and the graphite sliding blocks need to be replaced regularly, so that the production cost is increased, and the working efficiency is reduced.

Disclosure of Invention

The invention overcomes the defects of the prior art and provides the double-pull clip with a simple structure.

In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a two clips, includes the base, is located two clips of base one side, install first bearing and second bearing on the base, first bearing and second bearing are not at same height and stagger each other, every the clip includes clip body and clip head, install third bearing and fourth bearing on the clip body, third bearing and fourth bearing are not at same height and stagger each other, two the clip body all with the base is connected.

In a preferred embodiment of the present invention, a dual clip further includes a fifth bearing mounted on the base, the fifth bearing being lower than the first bearing and higher than the second bearing.

In a preferred embodiment of the present invention, the dual clip further includes a base including a base body, a first support plate, a second support plate, and a third support plate fixed on the base body, and a first support rod passing through the first support plate, the second support plate, and the third support plate, wherein the first bearing is fixed on the first support rod.

In a preferred embodiment of the present invention, the double-pull clip further includes a first support fixed on the base body, a first upright passing through the first support, and the fifth bearing is fixedly sleeved on the first upright.

In a preferred embodiment of the present invention, the dual clip further includes a second support fixed on the base body, a first horizontal column is fixed on the second support, and a sixth bearing is fixedly sleeved on the first horizontal column.

In a preferred embodiment of the present invention, the double-pull clip further includes a fourth support plate, a fifth support plate, a sixth support plate, and a second support rod penetrating through the fourth support plate, the fifth support plate, and the sixth support plate, wherein each clip further includes a fourth support plate, a fifth support plate, and a sixth support plate fixed on the clip body, and the third bearing is fixed on the second support rod.

In a preferred embodiment of the present invention, a dual clip further includes two intermediate bars connected between the second bars and the first bars.

In a preferred embodiment of the present invention, the double-pull clip further includes two connecting rods disposed in parallel along a vertical direction, a reinforcing rod is fixed between the two connecting rods, and two ends of each connecting rod are respectively sleeved on the first supporting rod and the second supporting rod.

In a preferred embodiment of the present invention, each clip further includes a third support fixed on the clip body, and a second upright passing through the third support, and a seventh bearing is fixedly sleeved on the second upright.

In a preferred embodiment of the present invention, the double-pull clip further includes each clip further includes a support post fixed to the bottom of the clip body, and an eighth bearing is mounted on the support post.

The invention solves the defects existing in the background technology, the bearing is stuck to the track through a plurality of bearings at different positions, the bearing not only bears the limiting function and avoids separating from the track, but also plays a role of rolling friction, the friction force is reduced, the abrasion to the track, the base and the clips is small, the part replacement period is long, the production efficiency is greatly improved, the running speed is stable, the traction force required for driving the clips and the base is greatly reduced, a lower-power motor can be selected, the energy consumption is saved, the film is clamped through two clips, the clamping force is stable, and the stretching quality of the film is improved.

Drawings

The invention will be further described with reference to the drawings and examples.

FIG. 1 is a perspective view of a preferred embodiment of the present invention;

FIG. 2 is a front view of a preferred embodiment of the present invention mounted on a first track and a second track;

fig. 3 is a top view of a preferred embodiment of the present invention.

Detailed Description

The invention will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the invention, which are presented only by way of illustration, and thus show only the structures that are relevant to the invention.

As shown in fig. 1-3, a double-pull clip comprises a base 2 and two clips 4 positioned on one side of the base 2, wherein a first bearing 6 and a second bearing 8 are installed on the base 2, the first bearing 6 and the second bearing 8 are not at the same height and are staggered with each other, each clip 4 comprises a clip body 10 and a clip head 12, a third bearing 14 and a fourth bearing 16 are installed on the clip body 10, the third bearing 14 and the fourth bearing 16 are not at the same height and are staggered with each other, and the two clip bodies 10 are connected with the base 2. The axes of the first bearing 6, the second bearing 8, the third bearing 14 and the fourth bearing 16 are all along the vertical direction, the clamp body 10 and the clamp head 12 are opened and closed by adopting a common technology in the field, the clamp head 12 is hinged with the clamp body 10, the clamp head 12 can rotate, a spring 18 is connected between the clamp head 12 and the clamp body 10, the clamp head 12 is broken off, the clamp head 12 is opened and separated from the clamp surface 20 of the clamp body 10, a film is conveniently placed on the clamp surface 20, the clamp head 12 is loosened, and the clamp head 12 is attached to the clamp surface of the clamp body 10 under the restoring force of the spring 18 to clamp the film.

The present invention preferably has a fifth bearing 22 mounted on the base 2, the fifth bearing 22 being lower than the first bearing 6 and higher than the second bearing 8, the axial direction of the fifth bearing 22 being in the vertical direction.

The preferred base 2 of the present invention includes a base body 24, a first support plate 26, a second support plate 28 and a third support plate 30 fixed to the base body 24, and a first support rod 32 passing through the first support plate 26, the second support plate 28 and the third support plate 30, and the first bearing 6 is fixed to the first support rod 32.

The preferred base 2 of the present invention further comprises a first support 34 fixed on the base body 24, a first upright 36 passing through the first support 34, and a fifth bearing 22 fixedly sleeved on the first upright 36, wherein the first support 34 is communicated with the base body 24, and a part of the fifth bearing 22 extends out of the first support 34. The base 2 further comprises a second support 40 fixed on the base body 24, a first horizontal column 42 is fixed on the second support 40, a sixth bearing 44 is fixedly sleeved on the first horizontal column 42, the axis of the sixth bearing 44 is in the horizontal direction, and the upper portion of the base body 24 can be limited through the sixth bearing 44, so that smooth operation is ensured.

Each clip 4 of the present invention preferably further comprises a fourth support plate 46, a fifth support plate 48 and a sixth support plate 50 fixed to the clip body 10, and a second support rod 52 passing through the fourth support plate 46, the fifth support plate 48 and the sixth support plate 50, and the third bearing 14 is fixed to the second support rod 52. An intermediate bar is connected between the two second struts 52 and the first strut 32. It is further preferable that the middle rod comprises two connecting rods 56 arranged in parallel along the vertical direction, a reinforcing rod 58 is fixed between the two connecting rods 56, and two ends of each connecting rod 56 are respectively sleeved on the first supporting rod 32 and the second supporting rod 52, so that synchronous movement of the base 2 and the two clips 4 is realized.

In order to reduce the traction force required by operation, each clip 4 further comprises a third support 59 fixed on the clip body 10 and a second upright 60 penetrating through the third support 59, a seventh bearing 64 is fixedly sleeved on the second upright 60, the third support 59 is communicated with the clip body 10, and a part of the seventh bearing 64 extends out of the third support 59.

Each clip 4 of the present invention preferably further comprises a post 66 secured to the bottom of the clip body 10, the post 66 having an eighth bearing 68 mounted thereon. It is further preferred that the post 66 comprises a post body 70, a third post 72 fixed to an upper end of the post body 70, a second horizontal post fixed to one side of the post body 70, a fourth bearing 16 fixedly sleeved on the third post 72, the second horizontal post comprising a third horizontal post 74 and a fourth horizontal post 76 connected to each other, an outer diameter of the fourth horizontal post 76 being smaller than an outer diameter of the third horizontal post 74, and an eighth bearing 68 fixed to the fourth horizontal post 76.

In use, the first bearing 6 is attached to one side of the first rail 78, the second bearing 8 and the fifth bearing 22 are attached to the other side of the first rail 78, the third bearing 14 is attached to one side of the second rail 80, the fourth bearing 16 and the seventh bearing 64 are attached to the other side of the second rail 80, and the eighth bearing 68 is attached to the bottom of the second rail 80, so that the base 2 and the two clips 4 move synchronously along the first rail 78 and the second rail 80, respectively.

The above-described preferred embodiments according to the present invention are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.

Claims

1. A double pull clip, characterized in that: the novel clamp comprises a base and two clamps positioned on one side of the base, wherein a first bearing and a second bearing are arranged on the base, the first bearing and the second bearing are not at the same height and are staggered with each other, each clamp comprises a clamp body and a clamp head, a third bearing and a fourth bearing are arranged on the clamp body, the third bearing and the fourth bearing are not at the same height and are staggered with each other, and the two clamp bodies are connected with the base; a fifth bearing is arranged on the base, and is lower than the first bearing and higher than the second bearing; the base comprises a base body, a first support plate, a second support plate and a third support plate which are fixed on the base body, and a first support rod which penetrates through the first support plate, the second support plate and the third support plate, wherein the first bearing is fixed on the first support rod; the base also comprises a first support fixed on the base body and a first upright post penetrating through the first support, and the fifth bearing is fixedly sleeved on the first upright post; the base also comprises a second support fixed on the base body, a first horizontal column is fixed on the second support, and a sixth bearing is fixedly sleeved on the first horizontal column; each clip further comprises a fourth support plate, a fifth support plate and a sixth support plate which are fixed on the clip body, and a second support rod which penetrates through the fourth support plate, the fifth support plate and the sixth support plate, wherein the third bearing is fixed on the second support rod; an intermediate rod is connected between the two second support rods and the first support rod; the middle rod comprises two connecting rods which are arranged in parallel along the vertical direction, a reinforcing rod is fixed between the two connecting rods, two ends of each connecting rod are respectively sleeved on the first supporting rod and the second supporting rod, when the middle rod is used, the first bearing is attached to one side face of the first rail, the second bearing and the fifth bearing are both attached to the other side face of the first rail, the third bearing is attached to one side face of the second rail, the fourth bearing and the seventh bearing are both attached to the other side face of the second rail, and the eighth bearing is attached to the bottom face of the second rail, so that the base and the two clips can synchronously move along the first rail and the second rail respectively.

2. The double pull clip of claim 1, wherein: each clip further comprises a third support fixed on the clip body and a second upright post penetrating through the third support, and a seventh bearing is fixedly sleeved on the second upright post.

3. The double pull clip of claim 1, wherein: each clip further comprises a support column fixed at the bottom of the clip body, and an eighth bearing is arranged on the support column.