214results about "Clock support devices" patented technology

The invention discloses a rear shell positioning assembly device of watch and processing technology thereof. The assembly device comprises a working bench and a turntable assembly of the working bench. The turntable assembly is provided with a charging component, a gripping component, a contraposition component and a CCD component. The rear shell positioning assembly device of watch has the advantages of CCD automatic camera detection, accurate positioning and assembly, high temperature equipment, high installation accuracy, high production efficiency, good quality.

The tweezers comprises two branches joined at a first end, a second end of each branch comprising a gripping element. The gripping element of each branch is mounted rotating freely around a swivel axis at the second end of said branch. The gripping element of each branch comprises a longitudinal axis perpendicular to the corresponding swivel axis, and a pad is fixed to a free end of said gripping element perpendicularly to said longitudinal axis of the gripping element.

The collet is formed by a metal band (10) whose inner contour (11) delimits the recesses (11a, 11b, 11c) for driving the collet onto a balance staff (2) and whose outer contour (12) includes a function point (4) between the collet and the balance spring (9) located at the end of an arm (14) at a distance R from the centre 0 of the staff (2) greater than that of any other point (6, 8, 13, 15, 17) of the outer contour (12). It is characterised in that the inner contour (11) includes a discrete number of points of contact (1, 3, 5, 7) with the staff (2) distributed along identical or different angular apertures α and in that width “I” of the band (10) varies such that the compression forces of the contact points (1, 3, 5, 7) on the staff (2) do not substantially alter the distance R after driving in, leading to a friction torque allowing angular orientation of the collet on the staff (2) and not introducing any unbalance.

Substantially cylindrical head tube body, center tube body and tip tube body threadedly engage each other to thereby construct a tool main body of a tool for wristwatch. The through hole of the center tube body is provided with a partition part having a small-diameter hole and slant face. A hammering member and compression spring are slidably accommodated in the through hole. A trigger shaft includes a small-diameter part which can be inserted in a center hole of the hammering member, and a large-diameter part continuing therefrom through the slant face, which can pass through the small-diameter hole. A deformed coil spring has the large-diameter part of the trigger shaft fitted therein in wound form, and energizes the trigger shaft toward sliding shaft while slanting the trigger shaft so as to cause the small-diameter part to shift toward the inside wall of the tool main body. The sliding shaft at its rear end includes large-diameter head part and at its front end includes an engagement part to which a wristwatch tool component can be replaceably fixed. The engagement part interlocks a small-diameter hole of the tip tube body with a play, and the front end of the engagement part protrudes from the tip tube body.

Tweezers having two arms designed to be grasped between the thumb and the index for seizing small objects, at least one of said arms being provided with an interchangeable tip. The arms are made of metal or ceramics whilst at least one of the interchangeable tips is made of wood, preferably of boxwood or hornbeam.

An assembly of a member, made of a first material in an aperture of a part, made of a second material having no plastic domain, using an intermediate part made of a third material, mounted between the member and the part. The intermediate part includes a hole for receiving the member. The part includes pierced holes forming a deformation mechanism distributed around the aperture thereof. The elastically and plastically deformed intermediate part radially grips the member and stresses the elastic deformation mechanism of the part so as to secure the assembly in a manner that is not destructive for the part. Such an assembly can for example be used in the field of timepieces.

The invention discloses an automatic unlocking mechanism. The automatic unlocking mechanism includes a supporting plate, cylinders, unlocking pull bars, pull bar fixing blocks, pressure plates, cylinder supports, positioning pins and carry tools, wherein each cylinder is fixed on each cylinder support; the cylinder supports are fixed on the supporting plate; the unlocking pull bars are fixed on the pull bar fixing blocks; the pull bar fixing blocks are fixed on the cylinders; the pressure plates are fixed on the supporting plate to block the unlocking pull bars to prevent tilting of the unlocking pull bars; the positioning pins are protruded upward from the supporting plate, and fix the carry tools to prevent the carry tools moving on the supporting plate; the back and forth motions of the cylinders drive the unlocking pull bars to move back and forth; the tail end of each unlocking pull bar is provided with a hook; and when the unlocking pull bars move back and forth, the hooks unlock the carry tools.

The invention relates to a method of manufacturing (1) a mechanical part (51) including the following steps:

• • a) providing (3) a substrate (53) made of micro-machinable material;
  • b) etching (5), with help of photolithography, a pattern (50) that includes said part through said entire substrate;

According to the invention, the method further includes the following steps:

• • c) assembling (13) a clip (91) on said part so that said part (51) is ready to be mounted without the portion made of micro-machinable material having to be touched;
  • d) releasing (11) the part (51) from the substrate (53) so as to mount said part in a device such as a timepiece movement.

The invention concerns the field of timepiece manufacture.

A method of assembling a member made of a first material in a part made of a second material having no plastic domain, includes forming the part with an aperture, inserting a radially flared portion of the member into the aperture, without any stress, and elastically and plastically deforming the flared portion of the member in the aperture by moving two tools towards each other axially, respectively on the top and bottom parts of the flared portion, so as to exert a radial stress against the wall of the part surrounding the aperture, causing the elastic deformation of the part, to secure the assembly in a manner that is not destructive for said part. The member can be a timepiece.

The invention discloses an automatic screwing and installing device for rear covers of electronic watches, and relates to the technical field of installation of watches. The automatic screwing and installing device comprises a supporting frame, a fixed frame is fixed to the supporting frame, clamping bases for clamping the watches are uniformly distributed and fixed to a supporting turntable in the circumferential direction, a lead screw is in drive connection with the interior of the supporting frame through a forward and reverse rotation mechanism, a threaded casing pipe sleeves the lead screw through threads, and a screwing mechanism for screwing the rear covers of the watches is fixed to the threaded casing pipe. By means of the automatic screwing and installing device, the rear coversof the watches on the supporting turntable can be screwed and installed, the working efficiency of installing the watches is effectively improved, and the supporting turntable can conduct stepping-type rotation; through an electric suction cup which reciprocates up and down, the installing operation on the rear covers is high in automation degree, and the time and labor are saved in the process of installing the watches; through the arrangement of the screwing mechanism, the operation of screwing the rear covers of the watches is very stable, and in the screwing process, an axial fan rotatesto achieve air flow in a transmission pipe, and has a great heat dissipation effect on a servo motor.

In order to make a system for fastening gems to a watch dial, the dial is made of an upper plate-shaped element and of a lower plate-shaped element facing each other, the upper plate-shaped element being provided with openings for housing the gems in a visible manner and the lower plate-shaped element being provided with openings at the openings of the upper element and having the same size as these latter. Each of the openings mutually facing by pairs extends across the thickness of the respective plate-shaped element with an own peripheral edge inclined so that each opening narrows, within the section of the respective plate-shaped element, going from the surface of the plate-shaped element facing the other plate-shaped element towards the opposite surface thereof for forming a seat for housing and retaining a gem between the two elements.

The invention relates to a clock and watch accessory assembling machine, which is characterized in that a rack is provided with a fork piece feeding device and a fork piece receiving movable device which are matched with each other, the lateral part of the fork piece receiving movable device is provided with a semi-finished product blanking groove in a matched manner, the upper part is provided with a pressing shaft device matched with a fork shaft taking sleeve of a fork shaft feeding device on the rack in a matched manner, the semi-finished product blanking groove is connected with a semi-finished product vibration plate, the semi-finished product vibration plate is connected with a semi-finished product receiving movable device through a semi-finished product feeding groove, the upper part of the semi-finished product receiving movable device is provided with a fork pin taking device and a pressing pin device in a matched manner, the fork pin taking device (10) is matched with a fork pin feeding device. According to the invention, a fork piece and a fork shaft are assembled into a semi-finished product through matching the fork piece receiving movable device with the shaft pressing device capable of movably taking a shaft, and then the semi-finished product and the fork pin are assembled into a finished product through matching the semi-finished product receiving movable device with the fork pin taking device and the pressing pin pressing device, so that the assembling efficiency is greatly improved, and the yield of the assembled finished products is improved.

A method for adjusting the rate of a watch with an oscillator arranged to generate oscillation at a nominal frequency N0, with a servo-system including a master oscillator arranged to generate excitation oscillation at an excitation frequency NE, which is approximately equal to, or equal to the nominal frequency N0, or to an integer multiple of this nominal frequency N0, the watch is subjected to excitation oscillation or to a modulated motion, generated by the master oscillator, during a transition phase after which the oscillator of the watch is stabilised at excitation frequency NE, and there is incorporated in the servo-system a winder for mechanical or automatic watches, arranged to move a support on which such a watch is fixed.

Part holding device for holding a part (1) while it is being machined, having:

• • a resting surface (2),
  • one or several mobile flanges (5) for pinning said part against the resting surface when the flanges rest against the upper side of said part, the flanges being capable of being raised when the part (1) is inserted and extracted,
  • one or several mobile jaws (3, 30) in a plane (X-Y) parallel to said resting surface in order to hold at least one portion (11) of said part by its lateral sides (16).

The invention provides a watch dial plate clamp mechanism comprising a clamp assembly which comprises a clamp assembly, and the clamp assembly comprises a clamp substrate and a clamping jaw module; amaterial bearing groove used for containing a dial plate is arranged at the upper surface of the clamp substrate; the clamping jaw module comprises clamping jaws, the clamping jaw module is arranged at the side surface close to the material bearing groove, the clamping jaws are bent to form clamping parts used for fixing a dial plate, and the clamping jaws are at least arranged on three side facesof the dial plate; the clamping jaws are driven by acting force to move towards the dial plate in the material bearing groove, so that the clamping parts on the clamping jaws make contact with the dial plate, the clamping jaws clamp the dial plate, the dial plate is rapidly fixed, the material taking or discharging efficiency is improved, and the clamp mechanism is convenient to use, simple in structure and convenient to maintain.

A quartz clock movement second shaft automatic assembling machine disclosed by the present invention comprises a host rack body, a vibrating disc regulation pedestal is arranged at the left side of the upper end of the host rack body, and a second wheel sheet plastic component vibrating disc is arranged at the upper end of the vibrating disc regulation pedestal. A second wheel sheet direct vibration material channel is arranged at the right end of the second wheel sheet plastic component vibrating disc, a second wheel sheet direct vibration material channel fixing rack is arranged at the lower end of the middle part of the second wheel sheet direct vibration material channel, and a height regulation pedestal is arranged at the lower end of the second wheel sheet direct vibration material channel fixing rack. According to the present invention, a sucker is moved left and right to suck a second wheel sheet and a second shaft to thereby press in and assemble. For the assembly high capacity, a left-right structure is adopted, so that the yield is improved substantially. At present, one machine can substitute for the daily yield of 4-5 workers, the quality is improved, one person can check more than 4-5 devices, the assembly precision and the capacity are high, the performance is stable, the assembled parts are stored automatically, the quality is good, the assembled products are uniform, and the yield of the quartz clock movement second shaft automatic assembling machine is more than 2-3 times of the yield of an assembling machine in the market.

Method for adjusting the rate of a basic oscillator of a watch arranged to oscillate at a nominal frequency N0, with a master oscillator generating an excitation frequency NE approximately equal to an integer multiple of this nominal frequency N0, the master oscillator subjecting the watch to excitation or a modulated motion during a transition phase after which the basic oscillator is stabilised at the excitation frequency NE, and a state of display correction method with a winder for mechanical or automatic watches, moving a support carrying the watch and comprising a state of display correction oscillator, having a lower variation of rate value than the initial variation of rate value DI of this basic oscillator, and oscillating at a correction frequency NC to impose oscillation or a motion on the watch, during a state of display correction phase whose duration is adjusted to exactly correct a state of display error measured at the initial moment of actuation.

The invention discloses a full-automatic pointer assembling machine, and belongs to the watch processing technical field. The full-automatic pointer assembling machine comprises a machine body and a control system arranged in the machine body, the machine body is provided with a pointer grabbing device, a man-machine interaction device, a pointer moving device and a pointer fixing device which areconnected with the control system, and all the devices cooperate to complete pointer installation; and the pointer moving device is also provided with a pressure sensor. The full-automatic pointer mounting machine has the following advantages: a hour pointer, a minute pointer and a second pointer are fixed through the pointer fixing device, and then the fixed pointers are adsorbed and moved to aclock dial on the pointer moving device through the pointer grabbing device, so that mounting of the pointers is completed; a pressure sensor senses the pressure of the pointer moving device on the pointer in real time, so that the pointer is prevented from being damaged by overlarge pressure; and the man-machine interaction device is used for detecting whether the installed pointer is installed without errors or not, so the pointer installation efficiency is high, installation is accurate, and the pointer is not prone to being accidentally damaged or deformed.