CN214114315U

CN214114315U - Carrier band unwinding device

Info

Publication number: CN214114315U
Application number: CN202023172905.7U
Authority: CN
Inventors: 庞晓辉; 印晴佳
Original assignee: Shanghai Yingwei Precision Machinery Co ltd
Current assignee: Shanghai Yingwei Precision Machinery Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-09-03
Anticipated expiration: 2030-12-25

Abstract

The utility model relates to a carrier band unreels technical field, a carrier band unwinding device is disclosed, which comprises a mounting bracket, be provided with the winding reel on the mounting bracket, the carrier band is around locating on the winding reel, still be provided with on the mounting bracket and be used for driving winding reel pivoted actuating mechanism, and be used for detecting the detection mechanism of carrier band release state, detection mechanism installs the detection arm on the mounting bracket including rotating, and set up the detection sensor on the mounting bracket, the carrier band of taking out on the winding reel contacts with detection arm butt, the detection arm is connected with the pick-up plate that uses with the detection sensor cooperation, and detect sensor and actuating mechanism signal connection. When the detection plate moves and triggers the detection sensor, the detection sensor sends a signal to the driving mechanism, and the driving mechanism drives the winding drum to rotate according to the signal, so that the purpose of adjusting the release degree of the carrier tape in time when the carrier tape is released too loosely and the carrier tape is released too tightly is realized, and the purpose of controlling the release degree of the carrier tape is further realized.

Description

Carrier band unwinding device

Technical Field

The application relates to a carrier band unreels technical field, especially relates to a carrier band unwinding device.

Background

The carrier tape is a strip product applied to mounting of electronic components, has a specific thickness, and holes or pockets for holding the electronic components and positioning holes for index positioning are equidistantly distributed in the length direction of the carrier tape. The carrier tape is matched with the cover tape or the upper sealing tape for use, electronic components such as resistors, capacitors, transistors, diodes and the like are loaded and contained in the pockets, and the cover tape is sealed above the carrier tape to form a closed package for protecting the electronic components from being polluted and damaged in the transportation process.

The carrier tape is generally wound on a winding drum, and the carrier tape wound on the winding drum is drawn by a power device. The problem that the carrier tape is stretched and even broken due to unsmooth drawing and pulling is easily caused in the process of drawing and pulling the carrier tape due to the influence of external environmental factors or the structural problem of the mechanism, and the problem that the carrier tape is too loose and is loosened easily occurs to influence the normal drawing and pulling operation of the carrier tape.

In view of the above-mentioned related art, the inventor believes that there is a drawback in that the degree of tightness of the carrier tape during the release process is not easily controlled.

SUMMERY OF THE UTILITY MODEL

In order to reach the purpose of control carrier band release elasticity degree, this application provides a carrier band unwinding device.

The application provides a pair of carrier band unwinding device adopts following technical scheme:

the utility model provides a carrier band unwinding device, including the mounting bracket, be provided with the winding reel on the mounting bracket, the carrier band is around locating on the winding reel, still be provided with on the mounting bracket and be used for driving winding reel pivoted actuating mechanism to and be used for detecting the detection mechanism of carrier band release state, detection mechanism installs the detection arm on the mounting bracket including rotating to and set up the detection sensor on the mounting bracket, the carrier band of taking out on the winding reel contacts with detection arm butt, detection arm is connected with the pick-up plate that uses with the detection sensor cooperation, just detect sensor and actuating mechanism signal connection.

Through adopting above-mentioned technical scheme, at the in-process that the carrier band was by outside traction equipment pull, the detection arm is driven the motion by the carrier band, drive the pick-up plate motion when the detection arm motion, and when the pick-up plate motion was and triggered detection sensor, detection sensor signals to actuating mechanism, actuating mechanism rotates according to signal drive winding drum to the realization is when the carrier band release is too slack, and when the carrier band release was too tight, in time adjust the purpose of carrier band release degree, and then realize the purpose of control carrier band release degree of tightness.

Preferably, the detection arm and the detection plate are arranged on the front side and the rear side of the mounting frame, and the detection sensor and the detection plate are arranged on the same side.

By adopting the technical scheme, the detection arm and the detection plate are arranged in a different side arrangement mode, so that the detection plate and the detection sensor can be prevented from occupying the available space for winding and releasing the carrier tape, and the use safety and convenience of the carrier tape unwinding device can be improved.

Preferably, the detection sensor comprises an upper limit sensor and a lower limit sensor, and the detection plate comprises an upper shading part matched with the upper limit sensor and a lower shading part matched with the lower limit sensor.

By adopting the technical scheme, the upper shading part and the lower shading part are matched with the corresponding detection sensors for use, compared with a mode that a single detection plate is matched with two detection sensors for use at the same time, the anti-interference performance of the detection sensor is stronger, the problem that two groups of detection fail at the same time is not easy to occur, and in the process that the carrier belt is changed from a tensioned limit state to a released limit position, the swing amplitude of the detection sensor is smaller than that of the detection sensor, so that the detection sensitivity is improved, and the pulled length of the carrier belt between two limit positions is reduced.

Preferably, the upper limit sensor and the lower limit sensor are detachably connected and fixed with the mounting frame.

Through adopting above-mentioned technical scheme, adopt demountable installation's fixed upper limit sensor and lower limit sensor, be convenient for equipment, debugging and change operation.

Preferably, the detection arm is rotatably provided with a guide roller, the guide roller is perpendicular to the detection arm, and the guide roller is parallel to the winding drum; the carrier tape is connected with an external traction device through the guide roller.

Through adopting above-mentioned technical scheme, guide roller and the direct butt contact of carrier band, and guide roller is normal running fit with detecting the arm, satisfying the carrier band by the pull in-process, outside driving the basic purpose that detects the arm motion, be favorable to protecting the carrier band, reduce the wearing and tearing of carrier band itself.

Preferably, be provided with the tensioning roller with guide roller cooperation use on the mounting bracket, around passing through the carrier band tensioning of guide roller is around locating on the tensioning roller and being connected with outside traction equipment.

Through adopting above-mentioned technical scheme, the tensioning roller plays the effect of supplementary tensioning by the carrier band of being taken out to reach the purpose that improves carrier band extraction stability.

Preferably, the tensioning roller is rotatably arranged on the mounting frame.

Through adopting above-mentioned technical scheme, adopt the mode of rotating the installation to be fixed in the mounting bracket with the tensioning roller on, outside not influencing the basic demand of carrier band tensioning, still be favorable to further protection carrier band, reduce the degree of wear of carrier band itself.

Preferably, the guide roller and the tension roller are both provided with roller shaft structures which are shrunk inwards from two sides.

Through adopting above-mentioned technical scheme, set up guide roller and tensioning roller into the roller structure by both sides shrink inwards to reach the purpose of binding up the carrier band at a certain extent, thereby reach the purpose that improves the carrier band and take out in-process stability.

Preferably, the mounting rack comprises a vertical plate and a support, the vertical plate is vertically arranged, and the winding drum, the driving mechanism and the detection mechanism are mounted on the vertical plate; the support comprises a vertical part in locking connection with the vertical plate and a horizontal part in locking connection with an external structure.

Through adopting above-mentioned technical scheme, be riser and support two parts with the mounting bracket split, the riser plays integrated installation actuating mechanism and detection mechanism's effect, and the support plays the effect that is connected with external structure, has better installation convenience and structural stability.

Preferably, the vertical part is provided with a vertical mounting groove along the vertical direction, and the horizontal part is provided with a horizontal mounting groove along the horizontal direction.

Through adopting above-mentioned technical scheme, utilize vertical mounting groove and horizontal mounting groove to realize the purpose of support mounting position regulation, have better convenience in use and installation flexibility.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the detection plate moves and triggers the detection sensor, the detection sensor sends a signal to the driving mechanism, and the driving mechanism drives the winding drum to rotate according to the signal, so that the purpose of adjusting the release degree of the carrier tape in time when the carrier tape is released too loosely and the carrier tape is released too tightly is realized, and the purpose of controlling the release degree of the carrier tape is further realized;

2. utilize guide roller and tensioning roller cooperation to use, on the basis of realizing that tensioning guide carries the carrier band, improve stability, security and the smoothness nature of carrier band pull.

Drawings

Fig. 1 is a general structural diagram of a carrier tape unwinding device;

FIG. 2 is a schematic view mainly used for showing the structure of the back of the vertical plate;

FIG. 3 is a schematic view for showing the structure of the tension shaft and the tension roller;

FIG. 4 is a schematic view of the construction of the detection plate;

fig. 5 is a schematic view for showing the structure of the guide shaft and the guide roller.

Description of reference numerals: 1. a mounting frame; 11. a vertical plate; 12. a support; 121. a vertical portion; 122. a horizontal portion; 2. a winding drum; 3. a drive mechanism; 31. a motor; 32. a speed reducer; 4. a detection mechanism; 41. a detection arm; 42. detecting a plate; 421. an upper light shielding portion; 422. a lower light shielding portion; 43. a detection sensor; 431. an upper limit sensor; 432. a lower limit sensor; 5. tensioning the shaft; 51. a tension roller; 6. a guide shaft; 61. a guide roller; 7. a vertical mounting groove; 8. and (4) horizontal mounting grooves.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses carrier band unwinding device.

Referring to fig. 1 and 2, a carrier tape unwinding device comprises a mounting frame 1, wherein a winding drum 2 is arranged on the mounting frame 1, a carrier tape is wound on the winding drum 2 in advance, and a carrier tape connector drawn out is connected with external traction equipment. The mounting rack 1 is further provided with a driving mechanism 3 and a detection mechanism 4, the detection mechanism 4 is used for detecting the state of the carrier tape drawn out of the winding drum 2, and the driving mechanism 3 drives the winding drum 2 to rotate according to the drawing state of the carrier tape detected by the detection mechanism 4 so as to keep the state of the carrier tape drawn out, thereby achieving the purpose of controlling the degree of tightness of release of the carrier tape.

Referring to fig. 1 and 2, mounting bracket 1 is including riser 11 and support 12, riser 11 is vertical setting, winding drum 2, actuating mechanism 3 and detection mechanism 4 three are all installed on riser 11, and support 12 is L type plate structure, including vertical portion 121 and the horizontal part 122 that is the components of a whole that can function independently setting, the upper end of vertical portion 121 passes through bolt locking with the lower tip of riser 11 and is connected, and the lower tip of vertical portion 121 is connected with an end locking of horizontal part 122, rethread horizontal part 122 is connected with the exterior structure locking, thereby reach the purpose of locking mounting bracket 1.

Referring to fig. 1 and 2, the upper end of the vertical part 121 is provided with a plurality of vertical mounting grooves 7 at equal intervals along the vertical direction, and one end of the horizontal part 122 away from the vertical part 121 is provided with a plurality of horizontal mounting grooves 8 along the direction perpendicular to the vertical part 121; through setting up horizontal mounting groove 8 and vertical mounting groove 7 to the installer adjusts the mounted position of mounting bracket 1 and the erector height of winding reel 2.

Referring to fig. 2 and 3, two tightening shafts 5 are further locked and mounted on the vertical plate 11, the axial line of each tightening shaft 5 is perpendicular to the vertical plate 11, one end, far away from the vertical plate 11, of each tightening shaft 5 is coaxially and rotatably provided with a tightening roller 51 through a bearing, and a carrier tape drawn out of the winding drum 2 is wound on the tightening roller 51 and then connected with external traction equipment to achieve the purpose of appropriately tightening the carrier tape. In the embodiment of the present application, the tension roller 51 is provided as a roller structure in which the roller diameter is gradually reduced from two sides to the middle, the roller structure is similar to the connection of the tips of two spinning tops, and the parts with larger roller diameter on two sides of the tension roller 51 play a role in limiting the movement of the carrier tape.

Referring to fig. 2, the driving mechanism 3 includes a motor 31 and a speed reducer 32 locked and installed on the vertical plate 11, and an output shaft of the motor 31 is connected to the speed reducer 32 and is drivingly connected to a rotating shaft of the winding drum 2 through the speed reducer 32, so as to drive the winding drum 2 to rotate; of course, a controller may be additionally provided to control the operation of the motor 31.

Referring to fig. 1 and 2, the detecting mechanism 4 includes a detecting arm 41 rotatably mounted on the front side of the vertical plate 11, and a detecting plate 42 rotatably mounted on the rear side of the vertical plate 11, the detecting arm 41 and the detecting plate 42 are both parallel to the vertical plate 11, and the detecting arm 41 and the detecting plate 42 are connected by the same rotating shaft. The carrier tape drawn out of the take-up reel 2 can abut against the detecting arm 41, and the detecting arm 41 can be driven to rotate during the release of the carrier tape. Two detection sensors 43 are also locked and installed on the rear side surface of the vertical plate 11, and the detection plate 42 is matched with the two detection sensors 43 for use; when the detection plate 42 rotates with the detection arm 41 and triggers the corresponding detection sensor 43, the detection sensor 43 sends a signal to the driving mechanism 3, and the driving mechanism 3 drives the winding drum 2 to rotate.

Referring to fig. 2 and 4, the two detecting sensors 43 include an upper limit sensor 431 and a lower limit sensor 432, the upper limit sensor 431 and the lower limit sensor 432 are both photoelectric sensors, and correspondingly, the detecting plate 42 includes an upper shading portion 421 and a lower shading portion 422, the upper shading portion 421 is used for cooperating with the upper limit sensor 431, and the lower shading portion 422 is used for cooperating with the lower limit sensor 432. When the carrier tape is too tight, the detection arm 41 is driven to turn upwards and the detection plate 42 is driven to rotate until the detection plate 42 shields the photoelectric emission of the upper limiting sensor, at the moment, the upper limiting sensor is triggered and sends a signal to the controller, the controller controls the motor 31 to operate, or the motor 31 with the communication module is directly sent to the motor 31, and the motor 31 drives the winding drum 2 to rotate through the reducer so as to release the carrier tape; when the carrier tape is too loose, the detection arm 41 turns downwards under the action of self gravity and enables the detection plate 42 to rotate until the detection plate 42 shields the photoelectric emission of the lower limit sensor, at the moment, the lower limit sensor is triggered, and the motor 31 drives the winding drum 2 to rotate reversely to tension the carrier tape.

It should be noted that, for the convenience of assembling, debugging and replacing the detection sensor 43, the upper limit sensor 431 and the lower limit sensor 432 are both fixed to the vertical plate 11 by bolts.

Referring to fig. 1 and 5, a guide shaft 6 is lockingly mounted on a distal end of the detection arm 41, the guide shaft 6 is disposed perpendicular to the detection arm 41, a guide roller 61 is coaxially and rotatably mounted on the guide shaft 6, the guide roller 61 is configured to directly contact with the carrier tape, and the guide roller 61 and the tension roller 51 adopt a roller shaft structure in which the roller diameter is similar and gradually reduced from two sides to the middle, so as to achieve the purposes of limiting the deviation of the carrier tape and improving the smoothness of carrier tape transportation.

The implementation principle of the carrier tape unwinding device in the embodiment of the application is as follows: in the releasing process of the carrier tape, the detection arm 41 generates corresponding rotation change along with the change of the releasing state of the carrier tape, the detection sensor 43 is used for detecting the rotation position of the detection plate 42 connected with the detection arm 41, so that the purpose of detecting the releasing state of the carrier tape is realized, the rotation direction of the winding drum 2 is adjusted according to the releasing state of the carrier tape, and the purpose of controlling the releasing tightness degree of the carrier tape is further realized.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a carrier band unwinding device, including mounting bracket (1), be provided with winding reel (2) on mounting bracket (1), the carrier band is around locating on winding reel (2), its characterized in that: still be provided with on mounting bracket (1) and be used for driving winding reel (2) pivoted actuating mechanism (3) to and be used for detecting carrier band release state's detection mechanism (4), detection mechanism (4) are including rotating detection arm (41) of installing on mounting bracket (1) to and set up detection sensor (43) on mounting bracket (1), the carrier band of taking out on winding reel (2) contacts with detection arm (41) butt, detection arm (41) are connected with detection plate (42) with detection sensor (43) cooperation use, just detection sensor (43) and actuating mechanism (3) signal connection.

2. The carrier tape unwinding device of claim 1, wherein: the detection arm (41) and the detection plate (42) are arranged on the front side and the rear side of the mounting frame (1), and the detection sensor (43) and the detection plate (42) are arranged on the same side.

3. The carrier tape unwinding device of claim 1 or 2, wherein: the detection sensor (43) comprises an upper limit sensor (431) and a lower limit sensor (432), and the detection plate (42) comprises an upper shading part (421) matched with the upper limit sensor (431) and a lower shading part (422) matched with the lower limit sensor (432).

4. The carrier tape unwinding device of claim 3, wherein: the upper limit sensor (431) and the lower limit sensor (432) are detachably connected and fixed with the mounting frame (1).

5. The carrier tape unwinding device of claim 1, wherein: the detection arm (41) is rotatably provided with a guide roller (61), the guide roller (61) is perpendicular to the detection arm (41), and the guide roller (61) is parallel to the winding drum (2); the carrier tape is connected with an external traction device through the guide roller (61).

6. The carrier tape unwinding device of claim 5, wherein: be provided with on mounting bracket (1) with guide roller (61) cooperation use tensioning roller (51), around warp the carrier band tensioning of guide roller (61) is around locating on tensioning roller (51) and being connected with outside traction equipment.

7. The carrier tape unwinding device of claim 6, wherein: the tensioning roller (51) is rotatably arranged on the mounting frame (1).

8. The carrier tape unwinding device of claim 6, wherein: the guide roller (61) and the tension roller (51) are both arranged into roller shaft structures which are contracted inwards from two sides.

9. The carrier tape unwinding device of claim 1, wherein: the mounting rack (1) comprises a vertical plate (11) and a support (12), the vertical plate (11) is vertically arranged, and the winding drum (2), the driving mechanism (3) and the detection mechanism (4) are mounted on the vertical plate (11); the bracket (12) comprises a vertical part (121) which is in locking connection with the vertical plate (11) and a horizontal part (122) which is in locking connection with an external structure.

10. The carrier tape unwinding device of claim 9, wherein: the vertical part (121) is provided with a vertical mounting groove (7) along the vertical direction, and the horizontal part (122) is provided with a horizontal mounting groove (8) along the horizontal direction.