CN217599986U

CN217599986U - Paper carrier band size adjusting device

Info

Publication number: CN217599986U
Application number: CN202221073596.4U
Authority: CN
Inventors: 叶英武; 罗强; 潘繁敏; 黄斌; 胥灵燕
Original assignee: Jiangxi Jiemei Electronic Information Material Co ltd
Current assignee: Jiangxi Jiemei Electronic Information Material Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-10-18
Anticipated expiration: 2032-05-07

Abstract

The utility model belongs to the carrier band field of making relates to a paper carrier band size adjustment device, include the die holder, set up the carrier band delivery track on the die holder and carry out the adjustment subassembly of correcting in real time to paper carrier band position under the transport state, adjusting device is including setting up respectively the loose bearing and the spacing bearing of carrier band delivery track both sides, spacing bearing is two spacing bearings, loose bearing's central point puts and two spacing bearing's central point puts correspondingly. The utility model discloses an to the improvement of adjustment structure, adopt two spacing bearings and loose bearing's combination, can make paper carrier band E size more stable.

Description

Paper carrier band size adjusting device

Technical Field

The utility model belongs to the carrier band field of making relates to a paper carrier band size adjustment device.

Background

In the field of storage and transportation of chip electronic components, paper carrier tapes are required. The paper carrier tape is manufactured by slitting wide base paper into paper base tapes and punching and forming the receiving holes and the drawing holes on the paper base tapes. In the process of conveying the paper-based strip, the wound paper-based strip needs to be unwound and then conveyed through the rail.

The existing winding mode of the paper-based strip is to wind the paper-based strip back and forth, and the paper-based strip at the back and forth lamination part is bound to have a bending phenomenon. There are often instances where the E-dimension (distance from the center of the pull hole to the adjacent edge of the paper carrier tape) is unstable as the paper-based web travels in a curved state through the track and into the receiving hole and pull hole forming device.

In order to solve the problems, publication number CN202098892U discloses a paper carrier tape size adjusting device on a paper carrier tape perforating machine, which comprises a bearing and a die holder for positioning a paper carrier tape, wherein a paper carrier tape track is arranged on the die holder, the bearing is arranged on the die holder at the edge of the paper carrier tape track, the bearing comprises a limiting bearing and a movable bearing which rotate in the same direction, the movable bearing and the limiting bearing are respectively positioned at two sides of the paper carrier tape track and correspond in position, and the distance between the limiting bearing and the movable bearing is matched with the width of the paper carrier tape, so that the paper carrier tape is accurately positioned.

However, with the above size adjustment device, the E size is still unstable.

SUMMERY OF THE UTILITY MODEL

The utility model provides a paper carrier band size adjustment device to solve the problem that prior art exists, make the E size more stable.

The utility model adopts the following technical proposal:

the utility model provides a paper carrier band size adjustment device, includes the die holder, sets up the carrier band delivery track on the die holder and carries out the adjustment subassembly of correcting in real time to paper carrier band position under the transport state, the adjustment subassembly is including setting up respectively the loose bearing and the spacing bearing of carrier band delivery track both sides, spacing bearing is two spacing bearings, loose bearing's central point puts correspondingly with the central point of two spacing bearings.

The CN202098892U mentioned in the background art is a size adjusting device used by the applicant in the earlier stage, and finds that the E size is still unstable in the long-term use process, the inventor analyzes that on one hand, the stress area of a paper carrier tape is possibly small, when the bent paper carrier tape enters a track, a bearing can be stressed on a single side, the paper carrier tape deviates in the track, and the E size is unstable.

Two limit bearing have increased the lifting surface area of paper carrier band, make it become the triangle atress, the adjustable bearing passes through the flexible paper carrier band position of spring and adjusts, simultaneously along with the increase of stress point, the state that the paper carrier band got into forming device can be more stable, after the paper carrier band got into size adjusting device with crooked state, two limit bearing and adjustable bearing combined action, adjust paper carrier band position, make the paper carrier band in order straight and stable getting into forming device, improve the precision of E size.

Preferably, the movable bearing is mounted on an elastic part through a middle shaft, the movable bearing can be close to or far away from the limit bearing under the action of the elastic part, the elastic part comprises a U-shaped frame and a spring pin, the opening direction of the U-shaped frame points to the limit bearing, the upper end and the lower end of the U-shaped frame are both provided with a strip-shaped groove, and the middle shaft is mounted in the strip-shaped groove through the spring pin.

The loose bearing mounting means also can bring the influence to the E size, and loose bearing passes through spring direct mount before, poor stability, and loose bearing's unstability can directly cause the deviation of size, the utility model discloses still changed loose bearing's mounting means, under the mounting means of this scheme, loose bearing's round trip movement is more stable.

Preferably, the adjusting components are provided in two groups, and the two groups are respectively positioned in front of and behind the forming device so as to more accurately limit the position of the paper carrier tape. The forming means, i.e., the carrier tape receiving holes and the drawing holes, are defined in the front and rear directions in which the paper carrier tape moves.

Preferably, the diameter of the limiting bearing is 7.5mm to 8.5mm, if the diameter is less than 7.5mm, the bearing is not strong enough and is easy to damage, and the surface contact surface is too narrow; if the diameter is larger than 8.5mm, the position of the device is limited, and the device cannot be installed.

Preferably, the diameter of the limit bearing is 8mm.

Preferably, the distance between the outer surfaces of the adjacent limiting bearings is not more than 4mm, and if the distance is too large, triangular stress cannot be formed between the limiting bearings and the movable bearing. The lower limit of the distance is not particularly limited as long as the rotation of the bearing is not affected, and the smaller the distance between the two is, the better.

Preferably, the inner side wall of the strip-shaped groove is provided with a side groove, and balls are arranged in the side groove, so that the movable bearing middle shaft can move more smoothly.

Preferably, the outer surfaces of the limiting bearing and the movable bearing are provided with protective layers, when the position of the paper carrier tape is adjusted, the outer surface of the bearing is in contact with the paper carrier tape, the side edge of the paper carrier tape generates burrs due to friction, and the protective layers are arranged, so that the defects can be overcome.

Through implementing above-mentioned technical scheme, the utility model discloses following beneficial effect has:

the utility model discloses a to adjustment assembly's improvement, adopt two spacing bearings and loose bearing's combination, can make paper carrier band E size more stable.

Drawings

Fig. 1 is a schematic top view of the size adjustment structure according to the present invention.

Fig. 2 is a schematic view of the movable bearing according to another embodiment of the present invention;

fig. 3 is a sectional view showing the mounting of a live bearing according to another embodiment of the present invention.

Detailed Description

The invention is explained in further detail below with reference to the figures and the specific embodiments.

It should be noted that the following embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Example 1:

a paper carrier tape size adjusting device comprises a die holder 10 and a carrier tape conveying rail 20 arranged on the die holder 10, wherein the die holder 10 and the carrier tape conveying rail 20 are both of structures in the prior art. The carrier tape 30 passes through the carrier tape conveying track 20 and enters the forming device 40 to be punched and formed, in order to correct the deviation of the punched and formed carrier tape, stabilize the E size of the carrier tape (the distance from the center of a drawing hole of the paper carrier tape to an adjacent edge), correct the tape position in real time in the conveying state, and set two sets of adjusting components on two sides of the carrier tape conveying track 20 as shown in fig. 1, which are respectively arranged at the front end and the rear end of the forming device 40, that is, in front of and behind the forming device 40 along the moving direction of the carrier tape 30, where the forming device 40 is the forming device 40 with a carrier tape accommodating hole and a drawing hole. As shown in fig. 1, the adjusting assembly includes a movable bearing 51 and a limit bearing 52 respectively disposed at two sides of the carrier tape conveying track 20, the limit bearings 52 are two limit bearings 52, and a center position of the movable bearing 51 corresponds to center positions of the two limit bearings 52. That is, the perpendicular line connecting the center points of the two limit bearings 52 passes through the center point of the movable bearing 51. The movable bearing 51 is arranged on the die holder 10 through the spring part 60, so that the distance between the movable bearing 51 and the limiting bearing 52 can be adjusted in a small range, certain buffering is provided for deviation correction of the paper carrier tape, and the paper carrier tape is prevented from being damaged or rubbed to form burrs due to over-hard deviation correction force. In addition, in this embodiment, protective layers (not shown in the drawings) are disposed on outer surfaces of the limit bearing 52 and the movable bearing 51, the protective layers may be rubber layers wrapped on outer surfaces of the limit bearing 52 and the movable bearing 51, and a rubber bearing may be selected for the limit bearing 52 and the movable bearing 51. Prevent the paper carrier band from generating burrs by contact friction with the outer surface of the bearing.

Referring to fig. 2 and 3, the movable bearing 51 includes an outer race 511 and an inner race 512, and the inner race 512 is mounted to the spring member 60 through a middle shaft 513. The movable bearing 51 is 8mm in diameter. The spring component 60 comprises a U-shaped frame 61 and a spring part 62, wherein the opening direction of the U-shaped frame 61 points to the limiting bearing 52, strip-shaped grooves 611 are formed in the upper end wall and the lower end wall of the U-shaped frame 61, the middle shaft 513 is mounted on the vertical wall of the U-shaped frame 61 through the spring part 62, the spring part 62 comprises a first locking screw 621 fixedly connected with the vertical wall of the U-shaped frame 61 in a threaded mode, a second locking screw 622 fixedly connected with the middle shaft 513 in a threaded mode, and a spring 623 sleeved between the first locking screw 621 and the second locking screw 622, and a buffer distance is reserved between the second locking screw 622 and the first locking screw 621. The movable bearing 51 is subjected to the pressing force brought by the deviation of the paper carrier tape to the movable bearing, the spring member 62 is compressed, and the movable bearing 51 moves to the outside (the side away from the paper carrier tape) along the strip-shaped groove 611, and conversely, when the pressing force is released, the movable bearing 51 moves to the inside along the strip-shaped groove 611 under the action of the elastic force of the spring member 62.

The movable bearing 51 is pressed by the deviation of the paper carrier tape, the spring part 62 provides certain buffering, and in order that the movable bearing 51 moves more smoothly under the action of the spring part 62, a side groove is formed in the inner side wall of the strip-shaped groove 611, and balls are arranged in the side groove. The middle shaft 513 is in contact with the ball to realize smooth movement.

The limiting bearing 52 comprises a limiting shaft 521, a limiting inner ring fixedly connected with the limiting shaft 521 and a limiting outer ring rotatably connected with the limiting inner ring, the structure is the same as that of the movable bearing, so that no additional figure is provided, and the limiting shaft 521 is fixed on the die holder 10.

The size of the limit bearing 52 is preferably 7.5mm to 8.5mm, the diameter of the embodiment is preferably 8mm, and the distance between the two limit bearings 52 is preferably smaller and smaller, and is preferably not more than 4mm, so as not to affect the rotation of the two limit bearings 52.

This embodiment adopts two limit bearing 52 to increase the lifting surface area of paper carrier band, make it become the triangle atress, movable bearing 51 adjusts the paper carrier band position through the flexible of spring, simultaneously along with the increase of stress point, the state that the paper carrier band got into forming device 40 can be more stable, after the paper carrier band got into size adjusting device with crooked state, limit bearing 52 and movable bearing 51 combined action, adjust the paper carrier band position, make the paper carrier band in order straight and stable getting into forming device 40, improve the precision of E size.

When the paper carrier tape is bent towards the two limit bearings 52, as shown in fig. 1, the first group takes the limit bearing 2 as a fulcrum and the movable bearing 5 as a force arm to adjust the paper carrier tape towards the limit bearing 1; the second group takes the limit bearing 3 as a fulcrum and the movable bearing 6 as a force arm to adjust the paper carrier tape to the limit bearing 4. Similarly, when the paper carrier tape is bent towards the movable bearing 51 side, the first group takes the limit bearing 1 as a fulcrum and the movable bearing 5 as a force arm to adjust the paper carrier tape towards the limit bearing 2; the second group takes the limit bearing 4 as a fulcrum and the movable bearing 6 as a force arm to adjust the paper carrier tape to the limit bearing 3.

Claims

1. The utility model provides a paper carrier band size adjusting device, includes the die holder, sets up the carrier band delivery track on the die holder, its characterized in that still includes the adjustment subassembly that carries out real-time correction to the delivery status download area position, the adjustment subassembly is including setting up respectively the loose bearing and the spacing bearing of carrier band delivery track both sides, spacing bearing is two spacing bearings, the central point of loose bearing puts correspondingly with the central point of two spacing bearings.

2. The device of claim 1, wherein the movable bearing is mounted on an elastic member through a central shaft, the movable bearing is close to or away from the limit bearing under the action of the elastic member, the elastic member comprises a U-shaped frame and a spring pin, the opening direction of the U-shaped frame points to the limit bearing, the upper end and the lower end of the U-shaped frame are both provided with a strip-shaped groove, and the central shaft is mounted in the strip-shaped groove through the spring pin.

3. The device of claim 1, wherein the alignment assemblies are provided in two groups, one before and one after the forming device.

4. The device of claim 1, wherein the stop bearing has a diameter of 7.5mm to 8.5mm.

5. The device of claim 4, wherein the stop bearing has a diameter of 8mm.

6. The device of claim 1, wherein the distance between the outer surfaces of adjacent ones of said retention bearings is no more than about 4mm.

7. The device of claim 2, wherein the inner side wall of the strip-shaped groove is provided with a side groove, and the side groove is provided with a ball.

8. The device of claim 1, wherein a protective layer is disposed on the outer surface of each of the limit bearing and the movable bearing.