KR940022468A

KR940022468A - Capstan-pinch roller crimping device for magnetic record player

Info

Publication number: KR940022468A
Application number: KR1019930004898A
Authority: KR
Inventors: 조중권; 김수경; 정문채; 박현기; 심관보; 이원규
Original assignee: 이헌조; 주식회사 금성사
Priority date: 1993-03-27
Filing date: 1993-03-27
Publication date: 1994-10-20

Abstract

본 발명은 브이씨알(VCR), 디에이티(DAT), 그리고 캠코더(CAMCODER) 등의 자기기록재생기에 있어서, 캡스턴-핀치로울러 압착장치에 관한 것이다. 종래에는 여러 모드의 속도를 낼 수 있는 캡스턴축(11)과, 핀치로울러(12)가 각각 1개씩 구비되어 있으므로 비스(VISS) 등의 고속주행시에 문제점이 있었다. 본 발명은 저속 및 고속의 기능을 각각 갖는 적어도 2개 이상의 저속 및 고속용 캡스턴축(21)(22)과, 상기 캡스턴축(21)(22)에 선택적으로 소정의 압착력으로 압착되는 핀치로울러(23)와, 상기 캡스턴축(21)(22)에 각각 다른 회전력을 전달하는 동력차등전달수단으로 구성하여, 캡스턴모터의 설계상 뒤따르는 여러 제약을 해소하고, 습동부에서의 소음 및 과부하를 방지하여 세트의 성능저하를 배제하며, 캡스턴모터를 구성하는 로우터에서의 관성효과로 제어성능이 열화되는 현상을 방지하는 등, 테이프(T)의 고속주행성을 향상시키도록 한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a capstan-pinch roller crimping device for magnetic recording players such as VCRs, DATs, and camcorders. In the related art, since the capstan shaft 11 and the pinch roller 12, which can achieve various modes of speed, are provided one by one, there is a problem in high-speed driving such as VIS. According to the present invention, at least two or more low speed and high speed capstan shafts 21 and 22 each having a low speed and high speed function, and a pinch roller selectively pressed onto the capstan shafts 21 and 22 with a predetermined pressing force ( 23) and the power differential transmission means for transmitting different rotational forces to the capstan shafts 21 and 22, respectively, to solve various restrictions in the design of the capstan motor and to prevent noise and overload in the sliding part. This eliminates the performance degradation of the set and prevents the deterioration of the control performance due to the inertia effect in the rotor constituting the capstan motor.

Description

Capstan-pinch roller crimping device for magnetic record player

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제3도의 (가) 및 (나)는 본 발명에 의한 자기기록재생기의 캡스턴-핀치로울러 압착장치의 구성 및 작용을 보인 것으로, (가)는 저속주행의 경우를 보인 사시도, (나)는 고속주행의 경우를 보인 사시도,(A) and (B) of FIG. 3 show the configuration and operation of the capstan-pinch roller compaction apparatus of the magnetic recording / playback apparatus according to the present invention. (A) is a perspective view showing the case of low-speed driving, and Perspective view showing the case of running,

제4도의 (가) 및 (나)는 본 발명에 의한 자기기록재생기의 캡스턴-핀치로울러 압착장치의 구성 및 작용을 보인 것으로, (가)는 저속주행의 경우를 보인 평면도, (나)는 고속주행의 경우를 보인 평면도.(A) and (B) of FIG. 4 show the configuration and operation of the capstan-pinch roller compaction apparatus of the magnetic recording / playback apparatus according to the present invention. Floor plan showing the case of driving.

Claims

At least two low-speed and high-speed capstan shafts 21 and 22 having low-speed and high-speed functions, respectively, and a pinch roller 23 selectively pressed onto the capstan shafts 21 and 22 with a predetermined pressing force. And a capstan-pinch roller crimping device of a magnetic recording and reproducing apparatus, characterized in that it comprises a power differential transmission means for transmitting different rotational forces to the capstan shafts (21) (22).

The pinch roller (23) is rotatably coupled to a distal end of the pinch lever (29) rotatably around the shaft pin (28), and a cam gear at the rear end of the pinch lever (29). A capstan pinch roller pressing device for a magnetic recording and reproducing apparatus, characterized in that the cam pin (30) inserted into the cam groove (32) of the (31) is fixed and configured to interlock with the cam gear (31).

2. A capstan-pinch roller crimping apparatus for a magnetic recording player according to claim 1, wherein a guide post (33) for supporting the tape (T) is disposed between the capstan shafts (21, 22).

The driving differential of claim 1, wherein the power differential transmission means includes a capstan motor 24 directly connected to the low speed capstan shaft 21, and a large diameter driving pulley fixed to the lower shaft 21a of the capstan motor 24. 25, a small diameter driven pulley 26 fixed to the lower portion of the high speed capstan shaft 22, and a belt 27 connecting the drive pulley 25 and the driven pulley 26, Capstan-pinch roller crimping device for magnetic recorder.

The method of claim 1, wherein the power differential transmission means is a capstan motor 42 having a rotating shaft 41, a motor pulley 43 fixed to the rotating shaft 41, the upper portion of the low-speed capstan shaft 21 An upper drive pulley 44 fixed to the belt, a belt 45 connecting the motor pulley 43 and the upper drive pulley 44, and a lower diameter having a large diameter fixed to the lower portion of the low-speed capstan shaft 21. Consisting of a drive pulley 46, a small diameter driven pulley 47 fixed to the high speed capstan shaft 22, and a belt 48 connecting the lower drive pulley 46 and the driven pulley 47. A capstan-pinch roller crimping device for a magnetic recording player.

The method of claim 1, wherein the power differential transmission means is a large diameter fixed coaxially to the capstan motor 51 and the capstan shaft 21 of the capstan motor 51, which is directly connected to the low-speed capstan shaft (21) Drive gear 52, a small diameter driven gear 53 fixed coaxially to high speed capstan shaft 22, and idle gear 54 meshed with drive gear 52 and driven gear 53. Capstan-pinch roller crimping device of the magnetic recording player characterized in that consisting of.

2. The capstan of a magnetic recording and reproducing apparatus according to claim 1, wherein said power differential transmitting means comprises a low and high speed capstan motor (61, 62) directly connected to the low and high speed capstan shafts (21) and (22). -Pinch roller crimping device.

※ Note: The disclosure is based on the initial application.