108results about "Cams" patented technology

The invention provides a door opening mechanism for kitchen equipment, the kitchen equipment and a control method of the kitchen equipment, and the door opening mechanism comprises a mounting seat assembly, a door opening mechanism and a door opening mechanism, the sliding block assembly is provided with a second sliding groove, and the sliding block assembly and the mounting base assembly are in sliding connection through cooperation of the second sliding groove and the first sliding rail; the driving motor is fixed on the mounting seat assembly; the cam is in transmission connection with the driving motor and the sliding block assembly, the cam is driven by the driving motor to rotate so as to drive the sliding block assembly to slide from the first position to the second position along the first sliding rail, so that the door body assembly of the kitchen equipment is opened to the first angle from the closed state, and the distance from the second position to the first position is not larger than the stroke of the cam. The door opening mechanism of the kitchen equipment is simple in structure and low in cost.

The camshaft with the good durability comprises a camshaft body, a first threaded rod is arranged on the outer surface of the lower end of the camshaft body, a threaded lantern ring is arranged at the lower end of the camshaft body, and an adjusting mechanism is arranged between the camshaft body and the first threaded rod. The adjusting mechanism comprises an inserting rod, key rods, a threaded groove, an inserting groove, a key groove, a second threaded rod, a threaded hole, a groove and a rotary knob, the inserting rod is fixedly installed in the middle of the outer surface of the upper end of the first threaded rod, the two sets of key rods are located on the two sides of the outer wall of the inserting rod correspondingly, and the threaded groove is formed in the middle of the outer surface of the upper end of the inserting rod; the slot is formed in the middle of the outer surface of the lower end of the cam shaft. According to the cam shaft with the good durability, the first threaded rod can be conveniently assembled, disassembled and replaced, the first threaded rod can be conveniently limited and fixed, the utilization rate of the cam shaft is increased, resource waste is reduced, the durability is good, and better use prospects are brought.

The purpose of the present invention is to increase the pressure of fuel while reducing an increase in the maximum lift amount of a cam and deterioration of a fuel injection ability. This cam for use in a fuel injection pump that increases the pressure of fuel supplied into a fuel supply chamber by an axial movement of a plunger. The cam includes a first cam surface that causes an increase rate of an axial speed of the plunger when the cam rotates at a constant speed, in a pre-stroke period until the plunger increases the pressure of the fuel in the fuel supply chamber, to be a first increase rate, and a second cam surface that causes the increase rate of the axial speed of the plunger when the cam rotates at the constant speed, in a pressure increasing period that is a period from a start of increasing the pressure of the fuel in the fuel supply chamber by the plunger, to be a second increase rate, wherein the first increase rate is set higher than the second increase rate.

According to the electronic lock, one end of a spiral spring is matched with a lower shell, the other end of the spiral spring is assembled and connected to the tail end of an unlocking pull rod, it is guaranteed that the initial position of an unlocking rod is fixed relative to the lower shell through the spiral spring, the automatic reset effect of the unlocking rod is achieved, the normal emergency unlocking function is kept, and meanwhile the safety of the unlocking rod is improved. The unlocking rod can be automatically reset after emergency unlocking is completed; besides, in the unlocking process of normal driving of the motor, the position of the unlocking rod is kept unchanged, the unlocking rod cannot move along with the gear transmission mechanism, and the service life of the emergency unlocking mechanism can be prolonged; the inner cam groove in the cam shaft of the cam gear drives the locking connecting rod of the locking piece, circular motion of the gear set can be converted into linear motion of the locking piece, locking and unlocking actions of the electronic lock are achieved, and the upper locking rod can obtain larger ejection force. The invention further discloses the cam gear.

To provide a flap actuation system and an associated method.SOLUTION: An example flap actuation system includes a first actuator, a second actuator, a first drive arm coupled to the first actuator and to a flap, a second drive arm coupled to the second actuator and to the flap, a first cam, and a first output shaft. The first cam is to couple to the first drive part so as to enable the first actuator to actuate the flap via the first drive arm. The example flap actuation system also includes a second cam and a second output shaft. The first cam is to be uncoupled from the first drive arm in response to a failure of the first actuator. The second actuator is to actuate the flap via the first drive arm and the second drive arm in response to the failure of the first actuator.SELECTED DRAWING: Figure 1

The invention relates to a method for mounting at least two functional elements (1, 1a, 1b) on a camshaft tube (2) of a camshaft (3) by means of a thermal joining process. The essential element of the invention is that - that a first functional element (1, 1a) is heated and slid onto the camshaft tube (2) in the correct position and held until it is fixed on the camshaft tube (2) by means of a thermal joining fit, - that at least part of a section (4, 4a) of the camshaft tube (2) pushed through the first functional element (1, 1a) is cooled by means of a cooling device (5), - that a second functional element (1, 1b) is heated and pushed onto the camshaft tube (2) in the correct position over the cooled area (4, 4a) and held until it is fixed on the camshaft tube (2) by means of a thermal joining fit.

The door closer with the large door opening angle comprises a shell, a spring, a cam shaft, a piston, a first idler wheel and a second idler wheel, the spring, the cam shaft and the piston are all located in the shell, the two ends of the cam shaft penetrate through the piston and then stretch out of the shell, and the first idler wheel and the second idler wheel are both installed on the piston and located on the two opposite sides of the cam shaft. One end of the spring abuts against the inner wall of the shell, the other end of the spring abuts against the piston, and the piston is of an integrally-formed structure. By means of the integrally-formed structure of the piston, when the cam shaft rotates and pushes the piston to move, the piston can integrally move, only a reset spring needs to be installed on one side, a spring does not need to be installed on the other side of the piston, and therefore the structure of the whole door closer can be simplified, and the requirement for the installation space in the whole shell is reduced; the size of the whole shell is reduced, and the door closer is convenient to install.

Disclosed herein are a cam and a harmonic reducer. The cam includes a cam main body, where an outer contour line of the cam main body includes a plurality of engagement region contour curves and a plurality of non-engagement region contour curves; the engagement region contour curves and the non-engagement region contour curves are alternately connected to jointly form the outer contour line of the cam main body; the engagement region contour curves and the non-engagement region contour curves are tangent to each other at intersections; each engagement region contour curve includes a first curve and a second curve, and the first curve and the second curve are connected and are tangent to each other at a joint; a first segment of the first curve protrudes more outwards than a first segment of the second curve.

The invention belongs to the technical field of compressors, and particularly relates to a motion conversion mechanism of a diaphragm compressor. Due to the existence of the row spacing, the axial length of a crankcase is increased, the structure of the compressor is not compact enough, and the reliability of the compressor is influenced due to unbalanced inertia moment generated by moving parts in opposite rows. The invention provides a motion conversion mechanism of a diaphragm compressor. The motion conversion mechanism comprises a cam, the cam is fixed to a main shaft, one side of the cam makes contact with a first sliding block, the other side of the cam makes contact with a second sliding block, the first sliding block is connected with a first piston, and the second sliding block is connected with a second piston. The rotary motion of the main shaft is converted into the reciprocating motion of the piston, meanwhile, no column space exists between the two opposite columns, and the diaphragm compressor has important significance for improving the structural compactness and the operation reliability of the diaphragm compressor.

The invention relates to a method for producing a cam (1) for a camshaft, in which method the cam (1) is finish-forged together with a chamfer (4); the chamfer (4) is not subjected to supplementary processing. In this way, the cam (1) can be produced in a significantly faster and more cost-effective manner, as a troublesome supplementary machining of the chamfer (4) can be omitted.

A method for manufacturing cams for a camshaft is disclosed. The method includes finish-forging the cam with at least one chamfer. The chamfer is not reworked after finish-forging. According to an example. the cam is finish-forged with the chamfer with an angle of 5°≤α≤40° to a cam bearing surface.

This invention discloses a medical oscillating saw based on an equal-width cam mechanism, comprising a body, a blade, and an equal-width cam mechanism. The oscillating follower has a shaft hole and multiple protrusions evenly distributed around the shaft hole. The body includes a base and threaded upper and lower pressure plates. The base has a through-hole axial stepped hole, and the upper pressure plate has a groove that cooperates with the oscillating follower and the blade. A pressure spring, the base, the oscillating follower, and the blade pass through the upper and lower pressure plates. When the blade is clamped, the pressure spring presses against the stepped surface of the stepped hole in the base and the rod of the lower pressure plate, fixing the blade. A magnetic attraction device is provided between the base and the lower pressure plate; when changing the blade, the attraction force prevents the upper and lower pressure plates from sliding downwards, thus allowing for blade replacement. This medical oscillating saw improves the motion performance of the follower and reduces mechanical wear during high-frequency motion. Simultaneously, the transmission mechanism operates smoothly, significantly reducing vibration, mechanical friction, and impact noise, helping doctors concentrate on surgical procedures.

A processing station for a die necking machine includes a frame, a forming cam arrangement fixedly coupled to the frame, a knockout cam arrangement fixedly coupled to the frame, and a process turret rotatably coupled to the frame. The process turret includes a forming cam follower operatively coupled to the forming cam arrangement and a knockout cam follower operatively coupled to the knockout cam arrangement. One or both of the forming cam arrangement and / or the knockout cam arrangement includes a cam body having a cam surface defining a cam profile, the cam surface configured to be engaged by a cam follower of one of the forming cam follower or the knockout cam follower. The processing station further includes a sensing arrangement for determining a force applied to a portion of the cam surface by the cam follower of the one of the forming cam follower or the knockout cam follower.

The invention discloses a damping device, a suspension system and a vehicle, the damping device comprises a motor cam assembly, the motor cam assembly comprises a motor stator part and a motor rotor part, the motor stator part is used for driving the motor rotor part to rotate, and a cam driving part is formed on the motor rotor part; the motor rotor part is provided with a cam driving part, the driven matching structure is provided with a cam driven part, the cam driving part is in sliding fit with the cam driven part, and when the motor rotor part rotates, the cam driving part pushes the cam driven part to drive the driven matching structure to do linear reciprocating motion. According to the vibration reduction device, the motor rotor part can be driven by the motor stator part to rotate, so that the cam driven part can drive the driven matching structure to do linear reciprocating motion, the vibration reduction effect is achieved, the cam driving part and the cam driven part are in sliding fit, the installation structure is more compact, the integration degree is higher, and the vibration reduction effect is better. And the production cost and the manufacturing cost can be reduced.

The present invention relates to a sliding cam (2) for a sliding-cam camshaft, comprising a carrier tube (23), a first functional element (21) and a second functional element (22), wherein the functional elements (21, 22) are arranged immediately adjacent to one another on the carrier tube (23) and extend in an axial direction over a joining portion (24), wherein the joining portion (24) comprises a first joining region (241) in which the first functional element (21) is secured on the carrier tube (23) by means of a press-fit connection, wherein the joining portion comprises a second joining region (242) in which the second functional element (22) is secured on the carrier tube (23) by means of a press-fit connection, and wherein an undercut (243) is provided between the first joining region (241) and the second joining region (242). The present invention furthermore relates to a sliding-cam camshaft having a sliding cam (2) according to the invention.

Eccentric bearing for converting a rotary motion into a linear motion, comprising a rotatably driven shaft (2), a bearing ring (3) enclosing the shaft (2), and rolling elements (5) arranged around the shaft (2) in a gap (4) between the shaft (2) and the bearing ring (3), characterized in that the bearing ring (3) is eccentric to the shaft (2), that the rolling elements (5) have different diameters corresponding to a different gap width between the shaft (2) and the bearing ring (3), and that the rolling elements (5) are enclosed by an annular loop (7) which acts on the rolling elements (5) against a circumference of the shaft (2).

The present invention provides a camshaft, a wave generator, a harmonic reducer, and a robot. One camshaft includes a shaft body. Along the axial direction of the shaft body, the outer contour of the camshaft includes a first cam outer contour segment and a second cam outer contour segment. The major axis of the first cam outer contour segment is equal to the major axis of the second cam outer contour segment, and the minor axis of the first cam outer contour segment is smaller than the minor axis of the second cam outer contour segment. According to the camshaft, wave generator, harmonic reducer, and robot of the present invention, a first cam outer contour segment line and a second cam outer contour segment line are provided along the axial direction of the shaft body. Because the minor axis of the second cam outer contour segment line is larger than the minor axis of the first cam outer contour segment line, the camshaft has different gear tooth meshing ranges, which can compensate for the reduced stiffness of the flex spline and rigid spline teeth due to wear.

The utility model belongs to the technical field of cam driving devices, and discloses a cam mechanism, a jacking mechanism and a jacking transfer machine. The first cam is arranged on the rotating part in a sleeving manner, and a first positioning hole is formed in the first cam; the second cam is arranged on the rotating part in a sleeving manner, and a second positioning hole is formed in the second cam; the connecting piece comprises a first connecting section and a second connecting section which are arranged in the first direction, the first direction is parallel to the axial direction of the rotating piece, the first connecting section is in interference fit with the first positioning hole, and the second connecting section is in interference fit with the second positioning hole, so that the center line of the first positioning hole coincides with the center line of the second positioning hole. According to the cam mechanism, the jacking mechanism and the jacking transfer machine, the technical problem that the installation error of the relative positions of the two cams at one end of the jacking transfer machine is large can be solved.

A cam and a harmonic reducer, wherein the cam includes a cam body (1), an outer contour line of the cam body (1) includes a plurality of meshing region contour curves and a plurality of non-meshing region contour curves, the meshing region contour curves and the non-meshing region contour curves are alternately connected so as to jointly form the outer contour line of the cam body, the meshing region contour curves and the non-meshing region contour curves are tangent at the intersection points, each meshing region contour curve includes a first curve (10) and a second curve (20), the first curve (10) is connected to the second curve (20) and is tangent at the connection point, a first section (101) of the first curve protrudes outside a first section (201) of the second curve, and a second section (202) of the second curve protrudes outside a second section (102) of the first curve.

The invention relates to a laser welding method for joining a non-sintered material to a sintered material, which method comprises the following steps: providing a first component (2) made of a non-sintered material, providing a second component (3) made of a sintered material, arranging the first component (2) and the second component (3) along a contact plane (5) to generate a joint (8), applying a laser beam (11) to a first joining region (6) of the first component (2) in the region of the joint (8) to melt the first joining region (6) to a melt, melting a second joining region (7) of the second component (3) in the region of the joint (8) by means of the melt of the first joining region (6), and cooling the joint (8).

The invention relates to a method for mounting at least two functional elements (1, 1a, 1b) on a camshaft tube (2) of a camshaft by means of a thermal joining method. According to the invention, it is essential for the invention that a first functional element (1, 1a) is heated, and the first functional element is pushed onto and held on the camshaft tube (2) in an azimuthally correct manner until the first functional element is fixed to the camshaft tube (2) by means of a thermal joining fit, according to the invention, at least a part of a region (4, 4a) of the camshaft tube (2) that is pushed through the first functional element (1, 1a) is cooled by means of a cooling device (5), a second functional element (1, 1b) is heated, and the second functional element is pushed onto and held on the camshaft tube (2) via the cooled region (4, 4a) in an azimuthally correct manner, the second functional element is fixed to the camshaft tube (2) by means of a thermal engagement.

The transmission mechanism comprises a driving part, the driving part comprises a motor, a speed reducer, a vertical shaft, a first bevel gear and a first bearing, the transmission mechanism further comprises a cam transmission part, the cam transmission part comprises a cam disc, a push plate assembly, a push rod and a pattern kneading part, and the transmission mechanism further comprises a wobble plate lifting part; the wobble plate lifting part comprises a transverse shaft assembly, an eccentric wheel part and a wobble plate assembly, the driving part drives the cam transmission part, the cam transmission part drives the two flower kneading parts to conduct flower kneading action on the flower kneading pieces at the same time, and the wobble plate lifting part is driven by the driving part to conduct vertical lifting motion on the two conveying belt assemblies at the same time. By means of the structure, double-position flower kneading and conveying procedures can be achieved on the packed food, and the production efficiency is effectively improved.

The utility model discloses mute spring display equipment, belongs to the technical field of machinery, and aims to overcome the defect that the conventional spring display equipment is easy to generate abnormal sound. The display equipment comprises a frame body, a cam and a warping plate, the cam can be horizontally and rotatably installed on the frame body, the warping plate is installed on the frame body in a swinging mode, the top face of the cam continuously forms a fluctuating face along the rotation circumference, a guide hole is formed in the frame body, an ejector rod penetrates through the guide hole, the upper end of the ejector rod abuts against the inner end of the warping plate, and the lower end of the ejector rod abuts against the fluctuating face. The rocker and the cam which are in direct contact are replaced by the ejector rod which is in indirect transmission, so that direct abrasion between parts is effectively reduced. Under the support of the inner wall of the guide hole, the transverse acting force of the cam on the ejector rod does not cause obvious deformation of the ejector rod, so that the noise in the transmission process can be obviously reduced.

To provide a wave gear device which includes a small-sized compact mechanism capable of retaining an assembly state of components, and is reduced in an installation space.SOLUTION: A wave gear device 1 includes three components of an internal gear 2, a cup-shaped external gear 3, and a wave generator 4, and a temporary fixing jig 9. The temporary fixing jig 9 is fastened and fixed by a temporary fixing bolt 10 to an output shaft 6 fixed to the external gear 3, and is fastened and fixed by a temporary fixing center bolt 11 to an input shaft 5 fixed to a cam plate 41 of the wave generator 4. The temporary fixing jig 9 is engaged with the output shaft 6 and the input shaft 5 to hold an assembly state of the three components 2, 3, 4. The wave gear device 1 does not require positioning work of the three components in mounting work on a motor. Since the temporary fixing jig 9 is removed from the wave gear device 1 after the wave gear device 1 is mounted on the motor, an installation space of the wave gear device 1 can be saved.SELECTED DRAWING: Figure 1

The invention relates to a connection device (1) for thermally connecting a camshaft component, in particular a cam (3), to a shaft (2). The connecting device (1) comprises a receiving part (4) which can be adjusted in the axial direction (A) and is used for receiving and axially moving the shaft (2). Furthermore, the connecting device (1) comprises a base (5) extending transversely to the axial direction (A), on which base at least two component holders (6a-6d) are arranged, each for aligning and holding at least one camshaft component (3) to be connected. Each component holder (6a-6d) can be adjusted between an assembly position (M1-M4), in which the camshaft component (3) can be assembled on the component holder (6a-6d), and a connection position (F), in which the camshaft component (3) held by the component holder can be thermally connected to the shaft (2). When the component holder (6a-6d) is in the connection position, the shaft (2) can be axially passed through the camshaft component (3) in the connection position (F) by means of the adjustable receptacle (4) for thermal connection. In this case, the mounting positions (M1-M4) of the at least two component holders (6a-6d) are arranged at a distance from one another.

This invention discloses a camshaft manufacturing process, comprising the following steps: S1: Determine the blank, clarifying the machining allowance, dimensional tolerance values, and shape of the blank; S2: Determine the positioning datum of the blank, first determining the rough machining datum and the finish machining datum, and then selecting the rough datum based on the analysis and clarification of the finish machining datum; S3: Rough machining, using milling and lathe equipment to rough machine the blank, cutting out the outer contour shapes of the cam and spindle according to the rough machining datum, and then grinding the camshaft dimensions; S4: Finish machining, first positioning the blank using locating keys, and then using a grinding machine to precisely machine the outer cylindrical surface, cam groove, and oil hole of the camshaft. In this invention, the use of locating keys to position the blank can improve the machining quality of the camshaft, and at the same time, the improved quenching process solves the problems of excessive hardened layer depth difference and quality of soft strips in the transition zone, as well as the problems of camshaft quenching cracking, soft strips, and peeling at the edges and corners.

The invention relates to a joining device (1) for thermally joining camshaft components, in particular cams, (3) to a shaft (2). The joining device (1) comprises a receptacle (4) that is adjustable along an axial direction (A) for receiving and axially moving the shaft (2). The joining device (1) further comprises a base (5) that extends transversely to the axial direction (A) and on which at least two component holders (6a-6d) are arranged, each for aligning and holding at least one camshaft component (3) to be joined. Each of the component holders (6a-6d) is adjustable between a mounting position (M1-M4), in which the camshaft component (3) can be mounted on the component holder (6a-6d), and a joining position (F), in which the camshaft component (3) held by the component holder can be thermally joined to the shaft (2).When the component holder (6a-6d) is in the joining position, the shaft (2) can be guided axially through the camshaft component (3) located in the joining position (F) for thermal joining by means of the adjustable holder (4). The mounting positions (M1-M4) of the at least two component holders (6a-6d) are arranged at a distance from one another.

A tube grooving device with multiple geared cams uses synchronizing gears, each meshing with two of the geared cams to synchronize the rotation of the cams of the tube element for forming a groove. The position of the groove relative to the end of the tube is controlled by a stop body incorporating a plate mounting ring that engages and disengages with a tube stop surface on one or more of the cams to restrict or allow cam rotation. The tube stop body is positioned within a cup receiving the tube element. This cup restricts flaring at the tube end and limits the tendency for the tube to become out of round during the grooving process. The device is mounted on a power chuck that rotates the tube element.

The invention relates to the technical field of harmonic reducers, and particularly discloses a long-service-life anti-fatigue harmonic reducer and a manufacturing process thereof.The long-service-life anti-fatigue harmonic reducer comprises a rigid outer ring, a flexible inner ring and a wave generator; an inner-tooth gear is annularly arranged on the inner wall of the rigid outer ring, an outer-tooth gear meshed with the inner-tooth gear is annularly arranged on the outer wall of the flexible inner ring, and the number of teeth of the outer-tooth gear is two smaller than that of the inner-tooth gear, so that a differential-tooth meshing structure is formed; the tooth top surface of the outer tooth gear of the flexible inner ring adopts a circular arc tooth profile, a stress dispersion groove is formed between two adjacent teeth of the outer tooth gear, and round corners are arranged on two sides of the bottom of the stress dispersion groove for transition; a lubricating oil channel is formed in a meshing area of the rigid outer ring and the flexible inner ring, is arranged in a penetrating manner along the radial direction and is communicated with an external lubricating system; the wave generator comprises a cam and a bearing piece arranged on the outer side of the cam, and the cam is rigidly connected with an external input shaft through a spline.

The invention relates to a method for thermally joining components (1, 5) on a camshaft tube (2) of a camshaft (11), in which - two joining tables (3, 4) arranged one above the other are provided, - the components (1, 5) are heated, - a first joining gripper (7) places and aligns the heated first component (1) on the first joining table (3) and at least one further joining gripper (8) places and aligns the at least one heated further component (5) on the at least one further joining table (4), - a centering rod (9) moves upwards through the components (1, 5) and centers the components (1, 5) and, in a return movement together with a guide carriage (10), guides the camshaft tube (2) downwards through the component openings, - the camshaft tube (2) stops at a predefined position, - which moves at least one further joining table (4) apart after a predefined holding time, - the joining grippers (7, 8) open and the camshaft (11) is released.