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CN-224230961-U - Thumb wheel subassembly detection device

CN224230961UCN 224230961 UCN224230961 UCN 224230961UCN-224230961-U

Abstract

The device comprises a base, a mechanism assembling and fixing device, a caliper fixing device and a caliper driving device, wherein the mechanism assembling and fixing device is used for assembling and fixing the thumb wheel mechanism, the caliper fixing device is used for detecting the hole edge distance on the thumb wheel mechanism, the caliper fixing device is used for fixing a first detection part of the caliper at the hole position in the thumb wheel mechanism, the caliper driving device is used for driving a second detection part of the caliper to move to the edge position of the thumb wheel mechanism or leave the edge position of the thumb wheel mechanism, and the position detecting device is used for detecting the movement of the second detection part. The device for assembling and fixing the dial wheel mechanism can be used for assembling the dial wheel mechanism, hole margins are detected through calipers after the dial wheel mechanism is simply assembled and fixed, and final assembly and reinforcement are carried out after the hole margins meet the requirements.

Inventors

  • AN HUIZHEN
  • WU HUIEN
  • PAN ZHONGWEN
  • LEI HONGDONG
  • BAI XIAOLI
  • WANG HONGWEI
  • LI JUAN

Assignees

  • 山西大众电子信息产业集团有限公司

Dates

Publication Date
20260512
Application Date
20250606

Claims (10)

  1. 1. A thumb wheel subassembly detection device for detect thumb wheel mechanism hole margin, characterized in that includes following parts: the weight holding device comprises a base, wherein a weight holding groove is formed in the side face of the base, and weights are held in the weight holding groove; The mechanism assembling and fixing device is arranged on the base and is used for assembling and fixing the thumb wheel mechanism; The caliper is arranged on the base and used for detecting the hole edge distance on the thumb wheel mechanism; a caliper fixing device mounted on the base, capable of fixing a first detection portion of the caliper at a hole position in the dial mechanism; The caliper driving device is arranged on the base and used for driving the second detection part of the caliper to move to the edge position of the thumb wheel mechanism or to be away from the edge position of the thumb wheel mechanism; the position detection device is arranged at the position of the second detection part of the caliper and is used for detecting the moving position of the second detection part; And the control device is connected with the caliper driving device and the position detection device and is used for receiving the position of the second detection part and controlling the caliper driving device.
  2. 2. The device of claim 1, wherein the device comprises a first position sensor and a second position sensor, the first position sensor and the second position sensor are both mounted on the second position detection portion of the caliper, the second position sensor is located outside the first position sensor, an outer blocking piece is further mounted on the base, the second detection portion can move inwards to a position where the first position sensor is aligned with an edge of the thumb wheel mechanism, the second detection portion can move outwards to a position where the second position sensor is aligned with the outer blocking piece, and the first position sensor and the second position sensor are connected with the control device.
  3. 3. The device of claim 1, wherein a pin is mounted in a hole location on the thumbwheel mechanism, and wherein the first sensing portion is positioned laterally of the pin.
  4. 4. The thumb wheel assembly detecting device of claim 2, wherein the calliper fixing means comprises a stop mounted on the base, the first detecting portion being movable on the stop, and a fixing means for fixing the first detecting portion being further mounted on the stop.
  5. 5. The device for detecting a thumb wheel assembly according to claim 4, wherein the stopper is provided with a guide rail, the two sides of the guide rail are provided with stop portions, the first detection portion is installed in the guide rail and can move in the guide rail, and the fixing device is a set screw, and the set screw passes through a threaded hole in the stop portion and then stops on the first detection portion.
  6. 6. The device for detecting a thumb wheel assembly according to claim 1, wherein the caliper driving device comprises a driving device and a telescopic device, the telescopic device is provided with a fixed portion and a sliding portion, the driving device and the fixed portion are both arranged on the base, the driving device can drive the sliding portion to move on the fixed portion, and the sliding portion is connected with the second detecting portion.
  7. 7. The device for detecting a thumb wheel assembly according to claim 6, wherein the driving device is a motor, the telescopic device is a screw rod and a nut, a rotating shaft of the motor is connected with one end of the screw rod, the nut is sleeved on the screw rod, and the nut is fixedly connected with the second detecting portion.
  8. 8. The thumb wheel assembly detecting device according to claim 7, wherein the motor is mounted on the base through a front bearing seat, and the other end of the screw rod is mounted on the base through a rear bearing seat.
  9. 9. The thumb wheel assembly detecting device according to claim 7, wherein the motor is connected to a control portion mounted on an upper portion of the mechanism assembling fixture.
  10. 10. The device of claim 1, wherein the caliper comprises a ruler rod, the second detecting portion is arranged at the outer end of the ruler rod, the ruler rod is provided with a size mark, the first detecting portion is provided with a guide groove, and the ruler rod is arranged in the guide groove in a penetrating mode.

Description

Thumb wheel subassembly detection device Technical Field The present disclosure relates to the field of component size detection, and more particularly, to a dial wheel assembly detection device. Background Referring to fig. 1, a certain thumb wheel mechanism 6 rotates the thumb wheel, and outputs a path of count pulse to provide a high-low angle tracking signal for a computer through a photoelectric encoder, and in the use process, the thumb wheel rotates stably without clamping stagnation, and is rotated to any position to be in a balanced state, so that the rotation phenomenon is not allowed to occur. In the production process, in order to meet the technical index requirements (hole edge distance and rotation stability), the hole edge distance needs to be measured through a ruler after assembly, and the dimension is ensured to be within an error range. Disclosure of utility model The utility model discloses a can carry out hole margin to the thumb wheel mechanism of assembly and detect simultaneously can detect thumb wheel assembly detection device of the eastern stationarity of thumb wheel circle. In order to achieve the above purpose, the technical scheme adopted in the present disclosure is as follows: A thumb wheel subassembly detection device for detect thumb wheel mechanism hole margin, characterized in that includes following parts: the weight holding device comprises a base, wherein a weight holding groove is formed in the side face of the base, and weights are held in the weight holding groove; The mechanism assembling and fixing device is arranged on the base and is used for assembling and fixing the thumb wheel mechanism; The caliper is arranged on the base and used for detecting the hole edge distance on the thumb wheel mechanism; a caliper fixing device mounted on the base, capable of fixing a first detection portion of the caliper at a hole position in the dial mechanism; The caliper driving device is arranged on the base and used for driving the second detection part of the caliper to move to the edge position of the thumb wheel mechanism or to be away from the edge position of the thumb wheel mechanism; the position detection device is arranged at the position of the second detection part of the caliper and is used for detecting the moving position of the second detection part; And the control device is connected with the caliper driving device and the position detection device and is used for receiving the position of the second detection part and controlling the caliper driving device. Optionally, the position detection device includes first position sensor and second position sensor, first position sensor and second position sensor all install the second position detection portion at the slide caliper rule, and the second position sensor is located first position sensor outside, still install outside separation blade on the base, second detection portion can inwards move to first position sensor alignment thumb wheel mechanism's limit position, and second detection portion can outwards move to second position sensor alignment outside separation blade's position, first position sensor and second position sensor all with controlling means is connected. Optionally, a pin is mounted in a hole location on the thumbwheel mechanism, and the first detection portion is positioned to the side of the pin. Optionally, the caliper fixing device includes a block mounted on the base, the first detecting portion is capable of moving on the block, and a fixing device for fixing the first detecting portion is further mounted on the block. Optionally, a guide rail is arranged on the stop block, stop parts are arranged on two sides of the guide rail, the first detection part is arranged in the guide rail and can move in the guide rail, the fixing device is a set screw, and the set screw passes through a threaded hole on the stop part and then stops on the first detection part. Optionally, the caliper driving device comprises a driving device and a telescopic device, the telescopic device is provided with a fixing portion and a sliding portion, the driving device and the fixing portion are both installed on the base, the driving device can drive the sliding portion to move on the fixing portion, and the sliding portion is connected with the second detecting portion. Optionally, the driving device is a motor, the telescopic device is a screw rod and a nut, a rotating shaft of the motor is connected with one end of the screw rod, the nut is sleeved on the screw rod, and the nut is fixedly connected with the second detection part. Optionally, the motor is installed on the base through a front bearing seat, and the other end of the screw rod is installed on the base through a rear bearing seat. Optionally, the motor is connected to a control part mounted on the upper part of the mechanism assembling and fixing device. Optionally, the caliper is provided with a ruler rod, the second detection part is arranged a