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CN-121973099-A - Control device and method for sander monitoring unit

CN121973099ACN 121973099 ACN121973099 ACN 121973099ACN-121973099-A

Abstract

The invention relates to the technical field of grinding and processing, and discloses a control device and a control method for a monitoring unit of a sanding machine, wherein the control device for the monitoring unit of the sanding machine comprises a motor for driving a sanding belt wheel, the end part of the motor is provided with the monitoring unit, the monitoring unit comprises a fixed sleeve, the fixed sleeve is fixedly connected with a motor shell, a rotating plate is rotatably arranged in the fixed sleeve, a first torsion spring is arranged in the fixed sleeve, one end of the first torsion spring is connected with the fixed sleeve, the other end of the first torsion spring is connected with the rotating plate, an installation seat is arranged on the rotating plate, a pressing plate for monitoring the abrasion degree of an abrasive belt is arranged on the installation seat, an electric push rod for controlling the displacement of the pressing plate is arranged on the installation seat, and the pressing plate is connected with a telescopic end of the electric push rod. The device can monitor the roughness of the abrasive belt under the condition of no shutdown, is favorable for improving the processing efficiency, and can intuitively record the rotation angle of the rotating plate by observing the reading of the scale corresponding to the pointer, thereby reducing the subjectivity of monitoring.

Inventors

  • ZHANG BOWEN

Assignees

  • 河北雄安渊远科技有限公司

Dates

Publication Date
20260505
Application Date
20260318

Claims (10)

  1. 1. The utility model provides a grinder monitoring unit controlling means, includes motor (101) that are used for driving the abrasive belt wheel, wherein the tip of motor (101) is provided with the monitoring unit, the monitoring unit includes fixed cover (201), fixed cover (201) with motor (101) casing fixed connection, fixed cover (201) inside rotates installs rotating plate (202), be provided with first torsional spring (211) in fixed cover (201), first torsional spring (211) one end with fixed cover (201) links to each other, first torsional spring (211) other end with rotating plate (202) link to each other; Be provided with mount pad (203) on rotating plate (202), be provided with clamp plate (204) that are used for monitoring abrasive band wearing and tearing degree on mount pad (203), install on mount pad (203) and be used for controlling electric putter (205) of clamp plate (204) displacement, clamp plate (204) with electric putter (205) flexible end links to each other.
  2. 2. The sander monitoring unit control device according to claim 1, wherein a vertical plate (206) is arranged at the end of a telescopic rod of the electric push rod (205), a positioning rod (212) is inserted on the vertical plate (206) in a sliding manner, the pressing plate (204) is fixedly connected with the vertical plate (206), a buffer spring (213) is sleeved on the positioning rod (212), and the other end of the buffer spring (213) is connected with the vertical plate (206).
  3. 3. The control device for the sander monitoring unit according to claim 1, wherein the first sliding groove (208) is formed in the fixed sleeve (201), a first sliding block (209) is slidably installed in the first sliding groove (208), and the first sliding block (209) is fixedly connected with the rotating plate (202).
  4. 4. A sander monitoring unit control device according to claim 3, wherein the first slider (209) is provided with a pointer (210), the fixed sleeve (201) is provided with a graduated scale (207), the graduated scale (207) is arranged adjacent to the first chute (208), and the pointer (210) is arranged corresponding to the graduated scale (207).
  5. 5. The control device for the sander monitoring unit according to claim 1, wherein the mounting seat (203) is provided with a second sliding groove (301), a second sliding block (302) is slidably arranged in the second sliding groove (301), and the electric push rod (205) is fixedly connected with the second sliding block (302); Install fixed plate (303) in mount pad (203), sliding insert is equipped with horizontal pole (304) on fixed plate (303), horizontal pole (304) other end with No. two slider (302) link to each other, no. two slider (302) go up the cover and be equipped with extension spring (311) that reset, extension spring (311) other end that resets with fixed plate (303) link to each other.
  6. 6. The sander monitoring unit control device according to claim 2, wherein a connecting rod (310) is arranged on the side portion of the electric push rod (205), a rotary table (305) is rotatably arranged at the other end of the connecting rod (310), a first wedge block (312), a second wedge block (313) and a third wedge block (314) are arranged on the rotary table (305), the first wedge block (312), the second wedge block (313) and the third wedge block (314) are sequentially connected, the heights of the first wedge block (312), the second wedge block (313) and the third wedge block (314) are sequentially reduced, and a contact resisting rod (306) is arranged on the mounting seat (203).
  7. 7. The device for controlling the monitoring unit of the sander of claim 6, wherein the connecting rod (310) is provided with a rotating sleeve (308), a ratchet wheel (316) is arranged in the rotating sleeve (308), a plurality of pawls (315) are hinged to one side, close to the rotating sleeve (308), of the turntable (305), and the pawls (315) are movably clamped with the ratchet wheel (316).
  8. 8. The device for controlling the monitoring unit of the sander according to claim 7, wherein a second torsion spring (317) is disposed inside the rotating sleeve (308), one end of the second torsion spring (317) is connected to the connecting rod (310), and the other end of the second torsion spring (317) is connected to the rotating sleeve (308).
  9. 9. The control device for the sander monitoring unit according to claim 8, wherein a poking plate (309) is arranged on the rotating sleeve (308), an L-shaped rod (307) is installed on the vertical plate (206), and the other end of the L-shaped rod (307) is abutted against the poking plate (309).
  10. 10. A control method for a sander monitoring unit, which is characterized by comprising the control device for the sander monitoring unit according to any one of claims 1-9, and comprising the following steps: s1, periodically monitoring, namely controlling the pressing plate (204) to be attached to the abrasive belt once by using an electric push rod (205) every 0.5h when the sander works, wherein the single attaching time of the pressing plate (204) to the abrasive belt is 5-10S; S2, coarseness feedback, namely reading a graduated scale (207) corresponding to the pointer (210) and comparing the graduated scale with an empirical value during each monitoring, wherein the method comprises the following specific steps of: a1, when a novel abrasive paper is adopted for the first time, judging the roughness of the abrasive belt in a shutdown manual monitoring mode, when the roughness of the abrasive belt is in a critical state, monitoring the roughness of the abrasive belt in the critical state by using a pressing plate (204), recording the readings of a corresponding graduated scale (207), reading for 3 times, and recording the average value of the readings of 3 times as an empirical value; a2, periodically monitoring the roughness of the abrasive belt during conventional polishing, recording the reading of a graduated scale (207), reading for 3 times, recording the average value of the 3 readings as a monitoring value, comparing the monitoring value with an empirical value, judging that the abrasive belt has good roughness if the monitoring value is larger than the empirical value, and judging that the abrasive belt has insufficient roughness if the monitoring value is not larger than the empirical value; And S3, changing the monitoring positions, wherein each periodic monitoring is set to be 3 times, and in the 3 times of monitoring, the relative positions between the pressing plate (204) and the abrasive belt are changed after each monitoring, so as to monitor the roughness of different positions of the abrasive belt.

Description

Control device and method for sander monitoring unit Technical Field The invention relates to the technical field of grinding, in particular to a sander monitoring unit control device and method. Background In the abrasive machining field, the grinder is the key equipment that realizes polishing, the grinder includes driving motor and installs at driving motor pivot epaxial running roller, wherein install the abrasive band that is used for polishing on the running roller, during polishing, the processing personnel is with work piece surface and abrasive band contact, utilize high-speed rotatory abrasive band to polish the burr on work piece surface, rust etc. clean, because work piece surface also has frictional force to abrasive band itself, consequently the abrasive band surface can become gradually smooth after long-time use, in order to guarantee the normal function of polishing of abrasive band, carry out periodic roughness monitoring to the abrasive band surface, belong to grinder abrasive machining's important link. In the prior art, when the abrasive belt on the sander is monitored in a rough manner, a manual visual observation mode is mainly adopted, the monitoring mode is subjective, and the sander needs to be stopped during detection, so that the normal operation of the sander is influenced, and the processing efficiency is reduced. Disclosure of Invention The invention provides a control device and a control method for a sander monitoring unit, which can solve the problems that in the prior art, when the abrasive belt on the sander is monitored for roughness, a manual visual observation mode is mainly adopted, the monitoring mode is subjective, and when the abrasive belt is detected, the sander needs to be stopped, the normal operation of the sander is influenced, and the processing efficiency is reduced. In order to achieve the above purpose, the present solution provides a control device and method for a monitoring unit of a sanding machine, including a motor for driving a sanding wheel, wherein a monitoring unit is provided at an end of the motor, the monitoring unit includes a fixed sleeve, the fixed sleeve is fixedly connected with a motor housing, a rotating plate is rotatably mounted in the fixed sleeve, a first torsion spring is provided in the fixed sleeve, one end of the first torsion spring is connected with the fixed sleeve, and the other end of the first torsion spring is connected with the rotating plate; The abrasive belt grinding machine is characterized in that an installation seat is arranged on the rotating plate, a pressing plate used for monitoring the abrasion degree of the abrasive belt is arranged on the installation seat, an electric push rod used for controlling the displacement of the pressing plate is arranged on the installation seat, and the pressing plate is fixedly connected with the telescopic end of the electric push rod. Optionally, the riser is installed to electric putter's telescopic link tip, it has the locating lever to slide on the riser, the clamp plate with riser fixed connection, the cover is equipped with buffer spring on the locating lever, the buffer spring other end with the riser links to each other. Optionally, a first sliding groove is formed in the fixing sleeve, a first sliding block is slidably mounted in the first sliding groove, and the first sliding block is fixedly connected with the rotating plate. Optionally, a pointer is arranged on the first sliding block, a graduated scale is arranged on the fixed sleeve, the graduated scale is adjacent to the first sliding groove, and the pointer is correspondingly arranged with the graduated scale. Optionally, a second sliding groove is formed in the mounting seat, a second sliding block is slidably arranged in the second sliding groove, and the electric push rod is fixedly connected with the second sliding block; install the fixed plate in the mount pad, the slip is inserted on the fixed plate and is equipped with the horizontal pole, the horizontal pole other end with No. two sliders link to each other, no. two sliders are gone up the cover and are equipped with the extension spring that resets, the extension spring other end that resets with the fixed plate links to each other. Optionally, electric putter lateral part is provided with the connecting rod, the carousel is installed in the rotation of the connecting rod other end, be provided with wedge, no. two wedge and No. three wedge on the carousel, no. one the wedge No. two the wedge with No. three wedge connects gradually, just No. one the wedge No. two the wedge with No. three the height of wedge reduces in proper order, be provided with on the mount pad and support the feeler lever. Optionally, be provided with the rotation cover on the connecting rod, the inside ratchet that is provided with of rotation cover, the carousel is close to one side of rotation cover articulates there is a plurality of pawls, pawl with ratchet activity block. O