8results about How to "Open state stable" patented technology

The utility model relates to a turntable type packaging machine capable of realizing stable opening of bag mouth. The turntable type packaging machine comprises a rack, a turntable and a plurality of bag clamping units, the plurality of bag clamping units are installed on the turntable along the circumference and are equally divided, the turntable is installed on a main shaft, and the turntable type packaging machine is characterized in that: the turntable type packaging machine further comprises a bag supporting mechanism, the bag supporting mechanism comprises two upper and lower bag supporting plates, a bag supporting seat, a connecting seat, a bag supporting power source, a telescopic power source and a rotary power source, the two upper and lower bag supporting plates are rotatably installed on the bag supporting seat, the bag supporting power source can drive the two upper and lower bag supporting plates to rotate relative to each other, the bag supporting seat is movably installed on the connecting seat, the telescopic power source can drive the bag supporting seat to move forward and backward, a rotary seat is rotatably installed on the main shaft, the connecting seat is connected to the rotary seat, and the rotary power source can drive the rotary seat to rotate around the main shaft. The turntable type packaging machine is provided with the bag supporting mechanism, can keep the bag mouth stable after being opened by suction, and ensures stable feeding work in the subsequent sequence.

The utility model belongs to the technical field of equipment, and particularly relates to a crossed loop antenna opening and closing device, which comprises a vertical monopole antenna, a crossed loop antenna assembly and a supporting seat, the vertical monopole antenna is connected with the top of the cross loop antenna assembly; the supporting seat is connected with the bottom of the crossed loop antenna assembly; the crossed loop antenna assembly is composed of a group of semi-loop antennas and a supporting rod, the top ends of the semi-loop antennas are connected with the top end of the supporting rod, and the bottom ends of the semi-loop antennas are connected with the bottom end of the supporting rod; the semi-ring antenna is composed of an upper oscillator and a lower oscillator, the lower oscillator is provided with an end, and a sliding groove matched with the end of the lower oscillator is formed in the upper oscillator. The sliding groove of the upper vibrator is further matched with the lower vibrator in shape, and based on the sliding groove of the upper vibrator and the end of the lower vibrator, the lower vibrator is contained in the sliding groove of the upper vibrator when closed. The utility model belongs to the field of antennas. According to the utility model, rapid assembly, opening and closing of the cross loop antenna opening and closing device can be realized.

The utility model relates to the field of textile auxiliary instrument, concretely relates to a cleaning mechanism of double twister, including casing, guide wheel and guide wire bar still include: fixed in the wire guide plate of casing, its opening has wire hole, wire hole, guide wheel and guide wire bar are sequentially arranged along the yarn conveying direction, fixed in the lower cleaning box of wire guide plate, and located between guide wheel and guide wire bar, set up in the upper cleaning box of lower cleaning box top, the utility model discloses through setting up the rotation pipe of single -hand operation and the linkage mechanism of lifting rod linkage, only need to rotate lower locking piece when changing the line can drive the vertical rise of upper cleaning box, make the quick separation of upper and lower cleaning box, do not need to manually wear yarn, greatly simplify the operation process. Especially suitable for multi -spindle position production scene, significantly shorten the line changing time, improve overall production efficiency.

The utility model provides a material stacking and bagging device which comprises a machine frame, and a material bag bin, a bag grabbing mechanical arm, a suction cup assembly, a bag opening assembly and a material pushing assembly are arranged on the machine frame. A packaging bag is arranged in the material bag bin, and the bag grabbing mechanical arm comprises a first position extending into the material bag bin to grab the packaging bag and a second position located above the suction cup assembly. The bag opening assembly and the suction cup assembly are arranged adjacently, and the bag opening assembly comprises a shifting rod capable of stretching into the upper portion of the suction cup assembly. The pushing assembly is arranged on the side, away from the suction cup assembly, of the bag opening assembly and comprises a pushing plate close to or away from the suction cup assembly. The bag grabbing mechanical arm grabs packaging bags in the material bag bin and is matched with the suction cup assembly to open bag openings of the packaging bags, the bag opening assembly further opens the packaging bags, the material pushing assembly pushes materials into the packaging bags, it can be guaranteed that when the materials are pushed into the packaging bags, the packaging bags are in a stable opening state, and the success rate of bagging can be increased.

The application discloses a kind of anti-rebound mechanisms for blasting door opening, including base, shell, locking rotary arm, reset mechanism, unlocking mechanism and stopper;Shell is fixedly installed on base;Locking rotary arm is rotatably installed on shell by a rotating shaft;Reset mechanism is arranged between shell and locking rotary arm, for providing elastic reset force to locking rotary arm so that it has a tendency to rotate towards the locking position;Unlocking mechanism includes electromagnet and connecting head, electromagnet is fixedly installed on base, connecting head one end is fixedly connected on locking rotary arm, the other end is drivingly connected with the core of electromagnet;Stopper is fixedly connected on blasting door.Wherein, the locking rotary arm has a locking position in the reset mechanism drive and embedded with stopper to prevent the rebound of blasting door, and an unlocking position in the electromagnet drive and separated from stopper by overcoming the reset force of reset mechanism.The application can realize reliable locking and quick unlocking, simple and durable structure, easy to install and maintain.

The invention relates to the technical field of mining lamps, in particular to a suspension adjustable intelligent LED mining lamp which comprises a bearing lamp holder and a mining lamp body, a supporting hollow cylinder is fixedly arranged at the lower end of the bearing lamp holder, and guiding vertical rods are symmetrically and fixedly arranged on the upper sides of the two ends of the supporting hollow cylinder; matching side plates are symmetrically and fixedly arranged on the two sides of each head of the supporting hollow barrel, inserting guide holes are formed in the matching side plates, barrel end sealing plates are fixedly installed at barrel openings in the two ends of the supporting hollow barrel, and the mining lamp body is installed through a bearing lamp bracket. The mining lamp body can be driven to move by starting the electric telescopic rod, so that the mining lamp body is very convenient to move to a working point position, the mining lamp body and the mounting bearing column can be fixedly connected in the moving process, and the stability of the mining lamp body in the moving process is guaranteed.

This utility model discloses a casing clamping and sealing device, including a base plate and a mounting plate. The mounting plate is fixedly connected to the top of the base plate and has a through hole. A clamping assembly is provided on one side of the mounting plate, and a positioning assembly is provided on the mounting plate near the clamping assembly. The clamping assembly includes a fixed clamp, a positioning shaft, a movable clamp, and a tension spring. The fixed clamp is fixed to the surface of the mounting plate near the through hole and directly below it. The positioning shaft is fixed to the side of the fixed clamp near one end, and the movable clamp is movably sleeved on the surface of the positioning shaft. This utility model solves the problem in the prior art where the casing is opened at one end and sealed by hand with a thread, resulting in slow sealing speed and affecting the entire casing production.