A tape transmission, positioning and buffering mechanism for an ARC automatic disc changer

Abstract

The present invention discloses a tape conveying, positioning and caching mechanism of an ARC automatic disc changer, comprising a tape conveying track, a track groove with adjustable width is provided on the tape conveying track, the rear end of the track groove is connected to the tape guide hose through a guide tube connection block, and the tape guide hose is butted with the tape guide block; two groups of elastic pressing roller groups are provided above the track groove, and inductive optical fiber sensors are provided in front and behind the front elastic pressing roller group; two driving rollers driven by roller driving motors are provided below the track groove, and the two groups of elastic pressing roller groups for pressing the tape correspond to the front and rear driving roller groups respectively, and a tape cache gap is provided on one side of the middle of the track groove, and a telescopic track driven by a telescopic track cylinder is provided in the tape cache gap. The present invention realizes the guiding, conveying, positioning and caching of the tape, and can meet the common needs of tapes of different widths, improves production efficiency and space utilization, and reduces labor intensity.

Description

Technical Field

[0001] The invention belongs to the field of semiconductor packaging, and specifically relates to a tape transmission, positioning and caching mechanism of an ARC automatic disc changer, which is mainly used for processes such as IC tape packaging and small parts tape packaging in the semiconductor and 3C industries. Background Art

[0002] In the semiconductor industry, tape is the main packaging material for ICs and an important product for IC storage, transportation and back-end supply. Tape, also known as IC tape, is a tape that can be used to decorate multiple electronic components with a tape, and then the tape is wound on a reel. With the rapid development of technology, the semiconductor industry has also developed rapidly. Combined with the current trend of automation development, the transmission, positioning, caching and commonality of tapes are particularly important.

[0003] According to different IC specifications, there are many types and sizes of braids. Existing braid transmission mechanisms almost do not have a buffer function, and have poor commonality, and cannot meet the transmission of braids of different specifications. In addition, the existing braid transmission mechanisms are basically driven by ratchet drive, which easily causes scratches on the braid and damage to the positioning holes.

[0004] Whether the design of the tape conveyor track is reasonable or not directly affects the production capacity, work efficiency and production cost on site. A good layout can also reduce the space occupied by the entire mechanism and reduce the construction cost of the mechanism. Therefore, the industry is in urgent need of a conveying, positioning and caching mechanism that can share multiple specifications of tapes to meet market demand, which is also the current development trend. Summary of the invention

[0005] In view of the defects of the prior art, the present invention provides a tape conveying, positioning and caching mechanism for an ARC automatic disc changer to achieve automatic guiding, conveying, positioning and caching of the tape, and can meet the common needs of tapes of different specifications.

[0006] In order to solve the above technical problems and achieve the above technical effects, the present invention is implemented through the following technical solutions:

[0007] A tape conveying, positioning and caching mechanism of an ARC automatic disc changer, comprising a tape conveying track, a track groove with adjustable width is arranged on the tape conveying track, the track groove runs through the front and rear ends of the tape conveying track, and a through groove is arranged on the bottom surface of the track groove, a guide tube connection block is arranged at the rear end of the tape conveying track, the rear end of the track groove is connected to one end of a tape guide hose that can be bent arbitrarily through the guide tube connection block, and the other end of the tape guide hose is connected to a tape guide block;

[0008] A group of elastic pressing roller groups for pressing the braid are respectively arranged above the front and rear ends of the track groove, and at least one pair of inductive optical fiber sensors for IC counting and detecting the presence or absence of the braid are respectively arranged on the front and rear sides of the elastic pressing roller group located on the front side, and all the elastic pressing roller groups and the inductive optical fiber sensors are fixedly connected to the upper surface of the braid transmission track; a driving roller for driving the braid transmission is respectively arranged below the front and rear ends of the track groove, and the upper edges of the two driving rollers are extended into the through grooves on the bottom surface of the track groove, and the left and right sides of the through grooves are for enabling the driving rollers to contact with the braid located in the track groove, thereby driving the braid transmission, and the front and rear two groups of elastic pressing roller groups correspond to the front and rear two groups of driving rollers up and down, respectively, and the two groups of driving rollers are driven by two roller driving motors fixed to the lower surface of the braid transmission track;

[0009] A braid buffer gap for temporary storage is provided on one side of the middle portion of the track groove, and a telescopic rail that can move laterally inward and outward relative to the axis of the track groove is provided in the braid buffer gap. The telescopic rail is driven by a telescopic rail cylinder fixed to the lower surface of the braid conveying track, and the telescopic rail is slidably connected to the braid conveying track through a linear slide rail. When the telescopic rail moves laterally to the inner side, the telescopic rail moves inwardly close to the middle portion of the track groove, and the braid buffer gap is in a closed state. When the telescopic rail moves laterally to the outer side, the telescopic rail moves outwardly away from the middle portion of the track groove, and the braid buffer gap is in an open state.

[0010] Furthermore, a Handler connecting plate for connecting to a Handler device is provided on the braiding guide block.

[0011] Furthermore, a braid cache enclosure for collecting cached braids is provided below the braid cache gap, and the top of the braid cache enclosure is fixedly connected to the lower surface of the braid conveying track. The braid cache enclosure can cache approximately 1.5 m of braid, and the front and rear ends of the bottom of the braid cache enclosure are respectively provided with a through-fiber sensor for detecting whether there are too many cached braids. When the through-fiber sensor detects that a braid extends from the bottom of the braid cache enclosure, it indicates that there are too many cached braids and the feeding of the braid needs to be stopped immediately.

[0012] Furthermore, a braid sensing sensor for detecting whether there is a braid in the track groove is respectively provided at the front and rear ends below the braid transmission track.

[0013] Furthermore, the elastic pressure roller group is composed of a pressure roller, a floating block, a fixed block, a guide column, a spring, a spring limit block and a nut. The fixed block is fixedly connected to the upper surface of the braid transmission track. Two guide columns are arranged side by side on the fixed block. The floating block is simultaneously sleeved on the two guide columns. The pressure roller is rotatably arranged on the inner side surface of the floating block. The spring limit block is simultaneously fixed to the top of the two guide columns by the corresponding two nuts. A spring is respectively sleeved on the upper part of each guide column. The bottom of each spring contacts the upper surface of the floating block, and the top of each spring contacts the lower surface of the spring limit block. This structure makes the pressure roller float relative to the braid transmission track, so it can adapt to braids of various thicknesses.

[0014] Furthermore, in the elastic pressure roller group located on the front side, a cylinder contact plate bent outwardly is provided on the top of the floating block to which it belongs, and a pressure roller opening cylinder for lifting the pressure roller is provided directly below the cylinder contact plate, and the pressure roller opening cylinder is vertically fixed upward to the upper surface of the braiding conveying track, and the telescopic rod of the pressure roller opening cylinder is upwardly aligned with the lower surface of the cylinder contact plate and is not fixedly connected to the lower surface of the cylinder contact plate to avoid affecting the floating elasticity of the elastic pressure roller group; when the telescopic rod of the pressure roller opening cylinder is in a retracted state, the telescopic rod of the pressure roller opening cylinder does not contact with the lower surface of the cylinder contact plate or just contacts with the lower surface of the cylinder contact plate, and when the telescopic rod of the pressure roller opening cylinder is in an extended state, the telescopic rod of the pressure roller opening cylinder can lift the floating block upward through the cylinder contact plate, thereby driving the pressure roller to open upward.

[0015] Furthermore, a first track cover plate for covering half of the braid conveying track and a second track cover plate for covering the other half of the braid conveying track and the braid buffer gap are arranged side by side on the braid conveying track to prevent dust or foreign matter from entering the braid conveying track. Both the first track cover plate and the second track cover plate are provided with compression avoidance holes for facilitating the front and rear groups of elastic compression roller groups for compressing the braid to contact the braid, so that the elastic compression roller groups for compressing the braid can still compress the braid in the track groove. The first track cover plate or the second track cover plate is provided with a sensing avoidance hole for facilitating the second sensing optical fiber sensor to detect whether there is a braid.

[0016] Furthermore, a track width adjustment block is provided on the side of the braided tape conveying track for facilitating adjustment of the track groove width. When adjusting, the track groove width can be smoothly adjusted by simply pulling the track width adjustment block.

[0017] Furthermore, the braided conveying track is composed of a fixed track plate and a movable track plate, and the fixed track plate and the movable track plate are spliced ​​together with an adjustable spacing through connecting rods, and the upper edges of the contact surfaces of the fixed track plate and the movable track plate are respectively provided with a wide groove that passes through front and back, and the two wide grooves are spliced ​​left and right to form the track groove on the braided conveying track, and the lower edges of the contact surfaces of the fixed track plate and the movable track plate are respectively provided with a narrow groove that passes through front and back, and the two narrow grooves are spliced ​​left and right to form the through groove at the bottom of the track groove.

[0018] Furthermore, when the track groove is adjusted to the narrowest, its width is slightly larger than 8 mm; when the track groove is adjusted to the widest, its width is slightly larger than 24 mm, thereby meeting the common needs of 8~24 mm width braids.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. The present invention realizes the automatic guiding, conveying, positioning and caching of the braid, and can meet the common needs of braids of different widths. It has the advantages of simple structure, compact size, reasonable layout, convenient adjustment, high safety, strong versatility, easy cleaning, easy maintenance and easy replacement. It not only improves production efficiency and space utilization, effectively ensures the safety of personnel, but also reduces labor intensity, saves manpower and reduces economic cost expenditure.

[0021] 2. The braid conveying track of the present invention has an adjustable width function, so it can be used for braids with a width of 8 to 24 mm. At the same time, two sets of double roller drives are used, which can not only prevent the braid from being damaged during the transmission process, but also can adapt to braids of different thicknesses, provide accurate width positioning for the braid, and greatly improve the commonality of the equipment.

[0022] 3. The present invention has a braid buffering function, the buffering length can reach 1.5m, and the buffered braid is not subject to tension, so the reel can be replaced without stopping the machine, which is very user-friendly, reduces labor intensity, and improves production safety.

[0023] 4. The present invention has IC counting function, tape tail sensing function and the function of detecting whether there is a tape in the track, which can further improve production efficiency.

[0024] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. The specific implementation of the present invention is given in detail by the following embodiments and their accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0026] Figure 1 A top view of the front structure of the present invention;

[0027] Figure 2 A top view of the rear side structure of the present invention;

[0028] Figure 3 A bottom view of the front structure of the present invention;

[0029] Figure 4 A bottom view of the rear structure of the present invention;

[0030] Figure 5 It is a partial enlarged view of the present invention after the first track cover and the second track cover are opened;

[0031] Figure 6 It is an enlarged view of the elastic pressing roller assembly in the present invention;

[0032] Figure 7 It is a structural schematic diagram of the tape transmission track in the present invention when the spacing is the smallest;

[0033] Figure 8 It is a structural schematic diagram of the tape transmission track in the present invention when the spacing is the largest;

[0034] Fig. 9 It is a top view schematic diagram of the assembly relationship between the braided conveying track and the telescopic track and other components of the present invention;

[0035] Fig.10 It is a bottom schematic diagram of the assembly relationship between the braided conveying track and the telescopic track and other components of the present invention. DETAILED DESCRIPTION

[0036] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. The descriptions herein are used to provide a further understanding of the present invention and constitute a part of this application. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0037] See also Figure 1-5As shown in Figures 9-10, a tape conveying, positioning and caching mechanism of an ARC automatic disc changer includes a tape conveying track 1, a track groove 101 with adjustable width is provided on the tape conveying track 1, the track groove 101 runs through the front and rear ends of the tape conveying track 1, and a through groove 102 is provided on the bottom surface of the track groove 101, a guide tube connection block 2 is provided at the rear end of the tape conveying track 1, the rear end of the track groove 101 is connected to one end of a tape guide hose 3 that can be bent arbitrarily through the guide tube connection block 2, and the other end of the tape guide hose 3 is connected to a tape guide block 4;

[0038] A group of elastic pressing roller groups 5 for pressing the braid are respectively arranged above the front and rear ends of the track groove 101, and at least one pair of inductive optical fiber sensors 6 for IC counting and detecting the presence or absence of the braid are respectively arranged on the front and rear sides of the elastic pressing roller group 5 located on the front side, and all the elastic pressing roller groups 5 and the inductive optical fiber sensors 6 are fixedly connected to the upper surface of the braid transmission track 1; a driving roller 7 for driving the braid transmission is respectively arranged below the front and rear ends of the track groove 101, and the upper edges of the two driving rollers 7 are extended into the through groove 102 on the bottom surface of the track groove 101, and the left and right sides of the through groove 102 are for enabling the driving roller 7 to contact with the braid located in the track groove 101, so as to drive the braid transmission, and the front and rear two groups of the elastic pressing roller groups 5 correspond to the front and rear two groups of the driving rollers 7 up and down, respectively, and the two groups of the driving rollers 7 are driven by two roller driving motors 8 fixed on the lower surface of the braid transmission track 1;

[0039] A braid buffer gap 103 for temporarily storing the braid is provided on one side of the middle of the track groove 101, and a telescopic track 9 which can be laterally moved inward and outward relative to the axis of the track groove 101 is provided in the braid buffer gap 103, and the telescopic track 9 is driven by a telescopic track cylinder 10 fixed on the lower surface of the braid conveying track 1, and the telescopic track 9 is slidably connected to the braid conveying track 1 through a linear slide rail 11, when the telescopic track 9 is laterally moved to the inner side, the telescopic track 9 moves inwardly close to the middle of the track groove 101, and the braid buffer gap 103 is in a closed state, and when the telescopic track 9 is laterally moved to the outer side, the telescopic track 9 moves outwardly away from the middle of the track groove 101, and the braid buffer gap 103 is in an open state.

[0040] For further information, see Figure 1-4 As shown, a Handler connecting plate 12 for connecting with a Handler device is provided on the braid guide block 4 .

[0041] For further information, see Figure 1-5As shown, a braid cache enclosure 13 for collecting and caching braids is provided below the braid cache gap 103, and the top of the braid cache enclosure 13 is fixedly connected to the lower surface of the braid conveying track 1, and the braid cache enclosure 13 can cache approximately 1.5 m of braids, and the front and rear ends of the bottom of the braid cache enclosure 13 are respectively provided with a through-fiber sensor 14 for detecting whether there are too many cached braids. When the through-fiber sensor 14 detects that there are braids extending from the bottom of the braid cache enclosure 13, it indicates that there are too many cached braids and the feeding of the braids needs to be stopped immediately.

[0042] For further information, see Figure 2-3 As shown, a braid sensing sensor 19 for detecting whether there is a braid in the track groove 101 is respectively provided at the front and rear ends below the braid conveying track 1.

[0043] For further information, see Figure 6 As shown, the elastic clamping roller group 5 is composed of a clamping roller 501, a floating block 502, a fixed block 503, a guide column 504, a spring 505, a spring limit block 506 and a nut 507. The fixed block 503 is fixedly connected to the upper surface of the braiding transmission track 1. Two guide columns 504 are arranged side by side on the fixed block 503. The floating block 502 is simultaneously sleeved on the two guide columns 504. The clamping roller 501 is rotatably arranged on the inner side of the floating block 502. The spring limit block 506 is fixed on the top of the two guide pillars 504 at the same time through the corresponding two nuts 507. A spring 505 is respectively sleeved on the upper part of each guide pillar 504. The bottom of each spring 505 contacts the upper surface of the floating block 502, and the top of each spring 505 contacts the lower surface of the spring limit block 506. This structure allows the clamping roller 501 to float relative to the braid conveying track 1, so it can adapt to braids of various thicknesses.

[0044] For further information, see Figure 1-2As shown in Figures 5-6, in the elastic clamping roller group 5 located on the front side, a cylinder contact plate 508 bent outward is provided on the top of the floating block 502 to which it belongs, and a clamping roller opening cylinder 15 for lifting the clamping roller 501 is provided directly below the cylinder contact plate 508. The clamping roller opening cylinder 15 is vertically fixed upward on the upper surface of the braiding conveying track 1, and the telescopic rod of the clamping roller opening cylinder 15 is upwardly aligned with the lower surface of the cylinder contact plate 508 and is not fixed to the lower surface of the cylinder contact plate 508. A fixed connection is provided to avoid affecting the floating elasticity of the elastic pressing roller group 5; when the telescopic rod of the pressing roller opening cylinder 15 is in a retracted state, the telescopic rod of the pressing roller opening cylinder 15 does not contact with the lower surface of the cylinder contact plate 508 or just contacts with the lower surface of the cylinder contact plate 508; when the telescopic rod of the pressing roller opening cylinder 15 is in an extended state, the telescopic rod of the pressing roller opening cylinder 15 can lift the floating block 502 upward through the cylinder contact plate 508, thereby driving the pressing roller 501 to open upward.

[0045] For further information, see Figure 1-2 As shown in Figure 5, a first track cover 16 for covering half of the braid conveying track 1 and a second track cover 17 for covering the other half of the braid conveying track 1 and the braid buffer gap 103 are arranged side by side on the braid conveying track 1 to prevent dust or foreign matter from entering the braid conveying track 1. The first track cover 16 and the second track cover 17 are both provided with compression avoidance holes for facilitating the front and rear groups of elastic compression roller groups 5 for compressing the braid to contact the braid, so that the elastic compression roller group 5 for compressing the braid can still compress the braid located in the track groove 101. The first track cover 16 or the second track cover 17 is provided with a sensing avoidance hole for facilitating the second sensing optical fiber sensor 6 to detect whether there is a braid.

[0046] For further information, see Figure 1-5 As shown, a track width adjustment block 18 is provided on the side of the braiding conveying track 1 for facilitating the adjustment of the width of the track groove 101 . When adjusting, the width of the track groove 101 can be smoothly adjusted by simply pulling the track width adjustment block 18 .

[0047] For further information, see Figure 6-10As shown, the braided conveying track 1 is composed of a fixed track plate 104 and a movable track plate 105, and the fixed track plate 104 and the movable track plate 105 are spliced ​​together with an adjustable spacing through a connecting rod 106, and the upper edges of the mutual contact surfaces of the fixed track plate 104 and the movable track plate 105 are respectively provided with a wide groove running through front and back, and the two wide grooves are spliced ​​left and right to form the track groove 101 on the braided conveying track 1, and the lower edges of the mutual contact surfaces of the fixed track plate 104 and the movable track plate 105 are respectively provided with a narrow groove running through front and back, and the two narrow grooves are spliced ​​left and right to form the through groove 102 at the bottom of the track groove 101.

[0048] Furthermore, the track width adjustment block 18 may be disposed on the outer side of the movable track plate 105 .

[0049] Furthermore, when the track groove 101 is adjusted to the narrowest, its width is slightly larger than 8 mm; when the track groove 101 is adjusted to the widest, its width is slightly larger than 24 mm, thereby meeting the common requirements of 8~24 mm width braids.

[0050] The working process of the present invention is as follows:

[0051] See also Figure 1-10 As shown, before use, the track width adjustment block 18 is used to adjust the internal spacing of the braid conveying track 1 according to the width of the braid to be conveyed, so as to adjust the track groove 101 on the braid conveying track 1 to a suitable width.

[0052] When the braid is normally transmitted, the braid enters the track groove 101 of the braid transmission track 1 from the braid guide block 4, the braid guide hose 3 and the guide tube connecting block 2 in sequence, and the front and rear driving rollers 7 are driven by their respective roller driving motors 8 to rotate, thereby driving the braid to be transmitted forward, playing the role of guiding, driving and positioning, until the braid is sent out from the track groove 101 exit of the braid transmission track 1, and at the same time, the front and rear two sets of elastic clamping roller groups 5 are pressed downward against the upper surface of the braid under the action of the spring, playing the role of clamping, and because the elastic clamping roller group 5 has floating elasticity, it can Adaptable to tapes of different thicknesses; during the tape transmission process, the first two pairs of inductive fiber optic sensors 6 located at the front upper part of the tape transmission track 1 are responsible for IC counting, and the last pair of inductive fiber optic sensors 6 located at the front upper part of the tape transmission track 1 are responsible for sensing the tail of the entire tape. When the tail of the tape is sensed, a start signal can be provided to the automatic tape sticking mechanism to stick tape on the tail of the tape; at the same time, the two tape sensing sensors 19 located at the front and rear ends below the tape transmission track 1 are responsible for detecting whether there is tape in the entire track groove 101 to prevent the mechanism from idling when there is no tape.

[0053] When it is necessary to cache the braid, first the telescopic rail 9 is driven by the telescopic rail cylinder 10 to move laterally outward, at which time the telescopic rail 9 is separated from the rail groove 101, thereby opening the braid cache gap 103, and then the roller drive motor 8 located on the front side stops rotating, thereby blocking the braid's forward passage, and the roller drive motor 8 located on the rear side continues to work to continue to feed the subsequent braid into the rail groove 101; since the braid cannot continue to move forward, the subsequent braid fed into the rail groove 101 can only be gradually bent and extended into the opened braid cache gap 103 for cache; when the length of the cached braid exceeds the bottom of the braid cache enclosure 13 below the braid cache gap 103, the optical fiber sensor 14 immediately senses, stops the continued feeding of the braid, and waits for the operator to process.

[0054] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A tape transmission, positioning and buffering mechanism for an ARC automatic disc changer, characterized in that: The invention comprises a braided tape conveying track (1), wherein a track groove (101) with adjustable width is arranged on the braided tape conveying track (1), wherein the track groove (101) passes through the front and rear ends of the braided tape conveying track (1), and a through groove (102) is arranged on the bottom surface of the track groove (101), and a guide tube connection block (2) is arranged at the rear end of the braided tape conveying track (1), and the rear end of the track groove (101) is connected to one end of a braided tape guide hose (3) which can be bent arbitrarily through the guide tube connection block (2), and the other end of the braided tape guide hose (3) is connected to a braided tape guide block (4); A group of elastic pressing roller groups (5) for pressing the braid are respectively arranged above the front and rear ends of the track groove (101), and two pairs of left and right inductive optical fiber sensors (6) for IC counting are arranged in front of the elastic pressing roller group (5) located on the front side, and a pair of inductive optical fiber sensors (6) for sensing the tail end of the braid are arranged behind the elastic pressing roller group (5) located on the front side, and all the elastic pressing roller groups (5) and the inductive optical fiber sensors (6) are connected to the braid conveying track (101). ) is fixedly connected to the upper surface of the track groove (101); a driving roller (7) for driving the braiding conveying is respectively arranged below the front and rear ends of the track groove (101); the upper edges of the two driving rollers (7) extend into the through groove (102) on the bottom surface of the track groove (101); the front and rear two groups of elastic pressing roller groups (5) correspond to the front and rear two groups of driving rollers (7) respectively, and the two groups of driving rollers (7) are respectively driven by two roller driving motors (8) fixed to the lower surface of the braiding conveying track (1); A braid buffer gap (103) for temporarily storing the braid is provided on one side of the middle of the track groove (101); a telescopic track (9) is provided in the braid buffer gap (103) and can be moved inward and outward relative to the axis of the track groove (101); the telescopic track (9) is driven by a telescopic track cylinder (10) fixed to the lower surface of the braid conveying track (1); and the telescopic track (9) is slidably connected to the braid conveying track (1) via a linear slide rail (11); when the telescopic track (9) moves inward, the telescopic track (9) moves inwardly close to the middle of the track groove (101), and the braid buffer gap (103) is in a closed state; when the telescopic track (9) moves outward, the telescopic track (9) moves outward away from the middle of the track groove (101), and the braid buffer gap (103) is in an open state; The braiding guide block (4) is provided with a handler connecting plate (12) for connecting to a handler device; The elastic clamping roller assembly (5) is composed of a clamping roller (501), a floating block (502), a fixed block (503), a guide column (504), a spring (505), a spring stop block (506) and a nut (507); the fixed block (503) is fixedly connected to the upper surface of the braiding transmission track (1); two guide columns (504) are arranged side by side on the fixed block (503); the floating block (502) is simultaneously sleeved on the two guide columns (504); the clamping roller (5 01) is rotatably arranged on the inner side surface of the floating block (502), the spring stopper (506) is simultaneously fixed to the top of the two guide pillars (504) through the corresponding two nuts (507), and a spring (505) is respectively sleeved on the upper part of each guide pillar (504), the bottom of each spring (505) is in contact with the upper surface of the floating block (502), and the top of each spring (505) is in contact with the lower surface of the spring stopper (506); In the elastic clamping roller group (5) located on the front side, a cylinder contact plate (508) bent outward is arranged on the top of the floating block (502) to which it belongs, and a clamping roller opening cylinder (15) for lifting the clamping roller (501) is arranged directly below the cylinder contact plate (508). The clamping roller opening cylinder (15) is vertically fixed upward on the upper surface of the braiding conveying track (1), and the telescopic rod of the clamping roller opening cylinder (15) is upwardly aligned with the lower surface of the cylinder contact plate (508) and is not fixedly connected to the lower surface of the cylinder contact plate (508) to avoid affecting the floating elasticity of the elastic clamping roller group (5).

2. The tape conveying, positioning and buffering mechanism of the ARC automatic disc changer according to claim 1, characterized in that: A braid buffer enclosure (13) for collecting the buffered braid is provided below the braid buffer notch (103); the top of the braid buffer enclosure (13) is fixedly connected to the lower surface of the braid conveying track (1); and a pair of optical fiber sensors (14) for detecting whether there are too many buffered braids are provided at the front and rear ends of the bottom of the braid buffer enclosure (13).

3. The tape transmission, positioning and buffering mechanism of the ARC automatic disc changer according to claim 1, characterized in that: A braid sensing sensor (19) for detecting whether a braid is present in the track groove (101) is provided at the front and rear ends below the braid transmission track (1).

4. The tape conveying, positioning and buffering mechanism of the ARC automatic disc changer according to claim 1, characterized in that: A first track cover plate (16) for covering half of the braid conveying track (1) and a second track cover plate (17) for covering the other half of the braid conveying track (1) and the braid buffer notch (103) are arranged side by side on the braid conveying track (1), and the first track cover plate (16) and the second track cover plate (17) are both provided with compression avoidance holes for facilitating the front and rear sets of elastic compression roller groups (5) for compressing the braid to contact the braid, and the first track cover plate (16) or the second track cover plate (17) is provided with a sensing avoidance hole for facilitating the sensing optical fiber sensor (6) to detect the presence or absence of the braid.

5. The tape conveying, positioning and buffering mechanism of the ARC automatic disc changer according to claim 1, characterized in that: A track width adjustment block (18) is provided on the side of the braided tape conveying track (1) for facilitating adjustment of the width of the track groove (101).

6. The tape conveying, positioning and buffering mechanism of the ARC automatic disc changer according to claim 1, characterized in that: The braided tape conveying track (1) is composed of a fixed track plate (104) and a movable track plate (105), wherein the fixed track plate (104) and the movable track plate (105) are spliced ​​together with an adjustable spacing via a connecting rod (106), wherein the upper edges of the mutually contacting surfaces of the fixed track plate (104) and the movable track plate (105) are respectively provided with a wide groove extending forward and backward, and the two wide grooves are spliced ​​left and right to form a track groove (101) on the braided tape conveying track (1), and the lower edges of the mutually contacting surfaces of the fixed track plate (104) and the movable track plate (105) are respectively provided with a narrow groove extending forward and backward, and the two narrow grooves are spliced ​​left and right to form a through groove (102) at the bottom of the track groove (101).

7. The tape conveying, positioning and buffering mechanism of the ARC automatic disc changer according to claim 1, characterized in that: When the track groove (101) is adjusted to the narrowest, its width is slightly greater than 8 mm; when the track groove (101) is adjusted to the widest, its width is slightly greater than 24 mm.

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