29 results about "Small head" patented technology

The present application relates to the technical fields of one-way valve assembly, and discloses a valve body feeding mechanism for one-way valve assembly processing, which comprises a vibrating disc for conveying one-way valve bodies, one end of the one-way valve body being a large-head flange end and the other end being a small-head guide end, a clamping module being installed at the outlet of the vibrating disc, the clamping module having two output ends, after adopting a pre-pose optimization structure, the valve bodies can be corrected in pose and separated in advance, effectively reducing the workload of pose adjustment on the subsequent track, avoiding a large number of unqualified valve bodies from entering the subsequent process, at the same time, through the design of separation, the batch valve bodies are dispersedly conveyed, avoiding the delay of feeding caused by congestion, ensuring that the clamping module can continuously and stably obtain qualified valve bodies without waiting for replenishment, in addition, the valve bodies in vertical pose are selected in advance, greatly reducing the falling probability on the subsequent track, reducing repeated rework, improving the feeding efficiency, and laying a stable foundation for the subsequent assembly process of steel balls and springs.

The present application relates to the field of water turbine processing technology, and discloses a kind of water pump upper crown inner ring and outer ring integral processing method, comprising the following steps: scribe line;Coarse lathe;Processing casting defects;4 process pressing plates are symmetrically welded on flow channel curved surface;Semi-finish lathe;Draw center cross line, draw each screw hole processing line;Finish lathe flow channel curved surface: clamp big head flange outer circle, dial gauge alignment has been processed inner circle, numerical control programming, semi-finish lathe, finish lathe small head end surface, flow channel curved surface, R fillet, step plane to drawing size, and according to drawing size position requirement, 0.20mm deep mark is engraved, and it is used for blade welding, and it is combined with crown flow channel template inspection;With processing inner hole as scribe line reference, draw impeller upper crown flow channel weld joint circle line;According to circle line, cut into upper crown inner ring and upper crown outer ring into two halves, so that the impeller upper crown flow channel processing size, form tolerance accuracy and roughness meet the requirements.

The utility model provides a cigarette packer strip package forming wheel dismounting tool for carrying out dismounting to strip package forming wheel end screw, and strip package forming wheel end has screw installation counterbore for screw head sinking, and the dismounting tool includes lengthened rod, force bar, lengthened rod includes lengthened rod body, and one end of lengthened rod body is equipped with the outer hexagonal head that is in line with the internal hexagon hole of screw head, and the other end of lengthened rod body is connected with the force bar perpendicular to lengthened rod body, and lengthened rod body is slidably sleeved with support ring, and support ring is step ring, and the small head end of support ring is towards the outer hexagonal head and is in line with the screw installation counterbore of strip package forming wheel end. The utility model has the advantages that compared with prior art: through support ring to lengthened rod whole course support, avoid strip package forming wheel to appear the situation of skidding when dismounting and installing, make the maintenance convenient and fast, save maintenance time.

The present application relates to the technical field of egg conveying, and discloses an egg conveying device, a plurality of egg-carrying assemblies; the plurality of egg-carrying assemblies are installed at intervals along a rotation direction between two chains; the egg-carrying assembly comprises two mounting blocks; the two mounting blocks are fixedly installed on corresponding chain links of the two chains respectively; the two mounting blocks are jointly rotationally connected with a mounting frame one and a mounting frame two; the mounting frame one and the mounting frame two are installed at intervals along the rotation direction of the chain; a plurality of pairs of egg claws are jointly installed on the mounting frame one and the mounting frame two; a pair of the two egg claws can be switched between a first state and a second state; in the first state, the pair of the two egg claws are arranged in a V shape pointing to the inner side of the rack, so that the surface-processed eggs fall between the two egg claws; in the second state, one end of the pair of the two egg claws pointing to the inner side of the rack is opened, forming a channel for the eggs to fall; the eggs can be adjusted from a horizontal posture to a vertical posture with the big head upward and the small head downward.

A kind of gauge for detecting connecting rod small head wedge bevel symmetry, for mechanical manufacturing field.The big base plate, small base plate is fixed on the two sides of base respectively, and the diamond pin that is adapted to the big head hole of connecting rod, the positioning mandrel that is adapted to the small head hole of connecting rod is fixed on the two sides of base, for fixing the anti-rotation pin direction of diamond pin is installed in base, and table block is placed in the side of connecting rod wedge bevel;The gauge further includes table frame and percentage indicating table;The inclination of the upper plane of base is consistent with the inclination of connecting rod wedge bevel.The utility model has the advantages of simple structure, easy to manufacture and detect and debug, and is convenient and fast for on-line detection of connecting rod wedge bevel symmetry, compared with the existing three-coordinate detection method, and its intuitive detection data is more convenient for cutter and fixture debugging during processing, quickly guides operator to adjust equipment, can effectively improve the detection efficiency of connecting rod wedge bevel symmetry, reduce the labor intensity of detection personnel, and reduce production cost.

The utility model provides a kind of compressor crankshaft and compressor of collaborative lubrication, it is related to compressor field, to the current crankshaft fan leaf flung out limited coverage of refrigerating machine oil, it is difficult to effectively lubricate the position of the active position of the position of fan leaf flush and below, fan leaf oil channel and auxiliary oil channel are set up on fan leaf, especially the first oil channel and the second oil channel and the orifice design of staggered distribution that intersect in auxiliary oil channel, change the flung out path and coverage of refrigerating machine oil, refrigerating machine oil can not only be flung out from fan leaf top end face, but also can be flung out from fan leaf side circumferential surface, and using staggered distribution increases its coverage along axial direction, so that refrigerating machine oil can more widely cover to the active component of the position of fan leaf flush and the position below fan leaf, such as piston and connecting rod small head end cooperation position, piston and cylinder wall etc., strengthen the lubrication of these parts, reduce the wear between piston ring and cylinder wall.

A motion control method of a robot and the robot, the robot comprising: a head assembly capable of moving in a first active area and a leg assembly capable of moving in a second active area. The first active area comprises a first non-interference area. The second active area comprises a second non-interference area. When the head assembly interferes with the leg assembly, the head assembly contacts the leg assembly; when the head assembly is located in the first non-interference area, the leg assembly does not interfere with the head assembly at any position in the second active area; when the leg assembly is located in the second non-interference area, the head assembly does not interfere with the leg assembly at any position in the first active area. The motion control method comprises: when the robot falls down, the head assembly is adjusted to the first non-interference area, and / or the leg assembly is adjusted to the second non-interference area, and the robot executes a preset rising instruction. The motion control method of the application has a small head-leg interference probability, and the robot can successfully rise when falling down.

The utility model relates to the technical fields of compressor connecting rod, especially a compressor connecting rod with self-lubricating coating, which comprises a device body, the device body contains connecting rod, lower clamping seat, lubricating assembly and hollow assembly, the both sides and surface of connecting rod are provided with side stiffener and main stiffener respectively, the lower clamping seat is fixed at the top of connecting rod, the connecting rod bottom is fixed with connecting rod small head, the upper clamping seat is fixed to the upper end of lower clamping seat, the inner side of lower clamping seat and upper clamping seat is respectively equipped with limit groove, the lubricating assembly is arranged in the limit groove, the hollow assembly is arranged in the connecting rod, the lubricating assembly comprises the inner ring body installed in the limit groove, the inner side of inner ring body is provided with graphite layer, which can realize the self-lubricating operation of one end of connecting rod, reduce the friction between connecting rod and other components, without manual lubricating oil addition and the inner ring body can be independently disassembled and replaced, greatly reduce the cost of equipment maintenance.

The utility model relates to a kind of for high-speed high-power diesel engine connecting rod small head device, it includes: body, body is the connecting rod small head for connecting piston pin, through piston pin and piston form hinged connection, when engine works, reciprocating motion's alternating load is borne, body is used to place the bottom hole of piston pin;Bushing, bottom hole is provided with bushing, after embedding bushing in the bottom hole of connecting rod small head body, it is slidably connected with piston pin;Small head oil inlet structure, oil hole for being connected into lubricating oil is provided on the side wall of body and bushing, for being connected into lubricating oil;Oil line, oil pool, oil hole is provided on the side wall of bushing Oil line and oil pool, which is connected with oil line, the width size of oil pool is greater than the width size of oil line. According to the connecting rod small head device for high-speed high-power diesel engine of the utility model, the lubrication stability of connecting rod small head, solve the type diesel engine connecting village small head bushing rotation, ablation, abnormal wear, loosening and other problems, can improve the stability and reliability of diesel engine etc.

The utility model discloses an anchor clamping piece material arrangement device, including landslide board, height -adjusting support, first leak stoppage and second leak stoppage, landslide board is inclined to set in the top of two height -adjusting supports, and the feed end of landslide board is higher than the discharge end, be provided with first leak material mouth and second leak material mouth on the landslide board, wherein, the length of first leak material mouth is greater than the distance of the barycenter of anchor clamping piece and its maximum end face, and the width of first leak material mouth is greater than the maximum diameter of anchor clamping piece, the device can unify the direction of the anchor clamping piece of direction not to be in line, place the anchor clamping piece of not to be in line direction in landslide board, slide down on the suitable inclination angle, open first leak material mouth, if the big head is forward and will automatically leak from first leak material mouth, only keep the anchor clamping piece of little head forward and continue to advance, and it is convenient to arrange and pack, and moreover can open second leak material mouth under the condition of the anchor clamping piece of different size specifications mixed, leak the shorter anchor clamping piece, play the screening function.

This invention discloses an automatic assembly system and method for titanium plate isolation pins. The automatic assembly system includes an assembly worktable, an XYZ three-axis moving mechanism disposed above the assembly worktable, an isolation pin gripper disposed at the lower end of the Z-axis of the XYZ three-axis moving mechanism, an isolation pin sorting device disposed on one side of the assembly worktable, and an isolation pin discharging device connected to the isolation pin sorting device. The isolation pin sorting device includes a vibrating material tray and an upwardly spiraling conveying chute disposed on the vibrating material tray. The isolation pin discharging device includes an inclined discharging slide rail connected to the spiral conveying chute, with tracks on both sides and a gap in the middle. An isolation pin rejector is disposed between the spiral conveying chute and the inclined discharging chute to remove isolation pins with the larger end down and the smaller end up. This invention achieves automatic assembly of titanium plate isolation pins.

The utility model discloses a kind of air spring bladder with vulcanization supporting ring composite cord structure, including bladder, the bladder is divided into bladder big head, bladder working area and bladder small head, the bladder big head part is three layer cord structure, the bladder working area and bladder small head part are single layer cord structure, and the overall thickness of bladder working area and bladder small head part is thinner than the thickness of bladder big head part, the inner diameter of bladder working area gradually decreases from bladder big head to bladder small head area, and supporting ring is fixed on the inner wall of bladder big head by vulcanization bonding mode. The air spring bladder of the utility model uses different reinforcing layer structure design, which can not only ensure the expansion outer diameter and burst pressure of the product, but also effectively reduce the product thickness of working area to improve its flexibility, reduce the air spring hysteresis force and improve the product comfort.

The utility model discloses a vibration rail turn-around mechanism for big and small head products, which comprises a base, a vibration straightener I and a vibration straightener II, the vibration straightener I and the vibration straightener II are arranged on the base, a rail I is mounted on the vibration straightener I, a rail II is mounted on the vibration straightener II, a discharging end of the rail I is positioned above a feeding end of the rail II, and a discharging end of the rail II is positioned above a discharging end of the rail II. A swing frame is further vertically arranged on the base and located between the first vibration straightener and the second vibration straightener, and an adjusting assembly is arranged at the position of the top end of the swing frame and a discharging port of the first rail. The adjusting assembly comprises a long screw with one end rotationally arranged on the side wall of the top of the swing frame and a connecting rod perpendicularly arranged at the other end of the long screw, and a lantern ring with one end open is arranged at the bottom of the connecting rod. The utility model relates to the technical field of product conveying equipment, and particularly provides a vibration track turning-around mechanism for products with large and small heads.

This utility model discloses a multi-head embroidery machine and its main shaft drive structure, relating to embroidery machine technology. It avoids the impact of small head spacing on increasing belt width and solves the problem of belt breakage caused by narrow belts. The main shaft drive structure includes at least two machine heads mounted side-by-side laterally on the front side of a main beam, a main shaft passing laterally through the at least two machine heads, a main motor located on the rear side of the main beam, and a main shaft transmission mechanism connecting the main motor and the main shaft. The main shaft transmission mechanism includes a belt drive assembly and a gear drive assembly. The gear drive assembly is located in the gap between two adjacent machine heads and connected to the main shaft. The belt drive assembly is driven by the main motor and connected to the gear drive assembly.

The application discloses a rotating mechanism, a frame and glasses. The rotating mechanism comprises a first support, a guide rod, an elastic member, a second support and a rotating shaft. The first support comprises a clamping portion. The second support comprises a first connecting section and a second connecting section, and a groove is formed in the second support and located between the first connecting section and the second connecting section. The groove has a first side wall and a second side wall connected with each other. The second support has a first state during rotation relative to the first support, the clamping portion can slide along the first side wall and stop at the second side wall, and the compression amount of the elastic member remains unchanged during sliding of the clamping portion along the first side wall. In this way, when a user wears the glasses, the clamping force remains unchanged when the second support is in the first state and the glasses continue to be folded outward, so that the clamping force of the temple is consistent for users with large heads and small heads, discomfort caused by the temple pressing the head of a user with a large head circumference is avoided, and the adaptability of the glasses to different users is improved.

The utility model belongs to small head bolt technical field, and disclose a kind of anti-skid gear groove 100 degree small head titanium alloy bolt, including bolt head, the bottom end fixedly connected with screw rod of bolt head, the bolt head is 100 degree small head structure, and the inclined surface of the bolt head is engraved with several gear grooves, the top of bolt head is equipped with round groove, the inner surface of round groove is equipped with dismounting block, the top of dismounting block is equipped with screw groove, the upper inner wall of round groove is embedded with iron sheet, the end of dismounting block and iron sheet is coated with magnetic attraction paint, the utility model is equipped with bolt head and dismounting block, under the accurate cooperation of positioning block and positioning groove and the effect of magnetic attraction paint and iron sheet adsorption force, the convenient installation and dismounting of dismounting block are realized, the convenience of bolt maintenance is greatly improved, avoid the situation that the whole bolt is scrapped due to bolt head structure damage.

The utility model discloses a kind of grinding devices for bean string production, specifically related to bean string production technical field, including grinding assembly, the top of grinding assembly is provided with feed assembly, the front of grinding assembly is provided with collection filter component, the feed assembly includes feeding hopper, the inside middle part both sides of feeding hopper are fixedly installed with inclined guide plate, the middle part of feeding hopper is rotatably installed with pivot, the grinding device of this bean string production can drive square block, block small head and block big head rotation by motor, when one end of block big head is upward, interval will be blocked, so that soybean can not fall down, when block small head is upward, soybean will continue to fall down, so that soybean can be effectively controlled to fall into feeding cylinder, avoid the condition that grinding assembly grinding inlet is blocked to occur when large quantities of soybean fall in feeding cylinder simultaneously.

The application provides a drum-type tap changer with a to-position feeling and a movable contact unloading after shifting, which comprises two mounting plates, a center shaft, a static contact, a gear system, a groove wheel system, a movable contact support, a movable contact system, a cam and a spring assembly; the cam is fixed on the center shaft and rotates synchronously with the center shaft; a large head capable of cyclically contacting the movable contact system and a small head not contacting the movable contact system are arranged at two ends of the cam respectively, and a recess is arranged in the middle of the large head; the spring assembly comprises a support, a support ring and a return spring; the support is fixed on the movable contact system; the support ring is rotatably arranged on the center shaft; and the return spring is connected between the support and the support ring. The application can ensure reliable contact between the movable contact and the static contact in a working state, and can easily shift gears when the gears are stable and shifted, and the to-position feeling is obvious and strong in the shifting process.

This utility model relates to a double-seat check valve, which can simultaneously meet the zero-leakage sealing requirements under both high-pressure and low-pressure conditions. Its features include: the valve disc and resilient valve seat are fixed together with a fixing plate and screws after installation, forming a valve disc assembly; the resilient valve seat adopts a conical design, with a small head and a large tail, ensuring it will not fall off after installation; both the valve seat and valve disc are overlaid with hard alloy to form a hard sealing surface; the resilient valve seat is slightly higher than the hard sealing surface of the valve disc, so when the valve is closed, the resilient valve seat first contacts the hard sealing surface of the valve seat, forming an elastic soft seal. The resilient valve seat is made of elastic rubber material, which can deform even under low pressure, achieving good sealing performance under low-pressure conditions; when applied to high-pressure conditions, the resilient valve seat will be further compressed, and the deformation groove at the tail of the resilient valve seat allows sufficient deformation, thereby ensuring contact between the hard sealing surface of the valve disc and the hard sealing surface of the valve seat, achieving a good sealing effect.

The utility model relates to a kind of vertical hanging tool of heat treatment of inner step hole cylinder, including hanging rod, hang cap installed on the small head end of hanging rod, the low support of auxiliary rod insertion, the high support of auxiliary rod insertion cooperatively installed hanging rod;Plugboard hole is opened in the small head end of hanging rod, and hanging rod is connected with hang cap by plugboard in plugboard hole;4 U-shaped notches are opened in the big head end of hanging rod according to cross symmetry direction, and 4 square pad irons are welded in the upper end surface of the big head end of hanging rod according to cross symmetry direction in the position between every adjacent two U-shaped notches;Low support of auxiliary rod insertion is welded and is composed of square low cushion block and circular arc step block, high support of auxiliary rod insertion is welded and is composed of square high cushion block and circular arc step block, and inner step hole cylinder product heat treatment process material cost can be reduced.

The utility model discloses a kind of bushing and oil atomizer and engine of strengthening heat dissipation, belong to engine technical field, including the cylinder cover of cylinder main body, oil atomizer is set on cylinder cover, oil atomizer bushing is embedded between oil atomizer and cylinder cover, oil atomizer small head and bushing small head gap fit;Gap connection forms recessed projection structure;Recessed projection structure includes multiple circular arc strip grooves being set in the circumferential array along the bushing small head inner hole, still include multiple circular arc strip projections being set in the circumferential array along the oil atomizer small head outer wall;Circular arc strip groove and circular arc strip projection correspond to mutual embedding structure, but do not contact.Circular arc strip groove and circular arc strip projection correspond to mutual embedding structure but do not contact, increase the heat transfer area of oil atomizer and oil atomizer bushing, reach the effect of strengthening heat dissipation, reduce oil atomizer temperature;Adjust the width, depth size ratio of circular arc strip projection and circular arc strip groove, the heat transfer area of oil atomizer and oil atomizer bushing can be adjusted.

This invention relates to the field of one-way valve assembly technology and discloses a valve body feeding mechanism for one-way valve assembly and processing, including a vibratory feeder for conveying one-way valve bodies. One end of the one-way valve body is a large flange end, and the other end is a small guide end. A clamping module is installed at the outlet of the vibratory feeder. The clamping module has two output ends. After adopting a pre-attitude optimization structure, the valve body can be pre-corrected and diverted, effectively reducing the workload of attitude adjustment on the subsequent track and preventing a large number of unqualified valve bodies from entering the subsequent process. At the same time, through the diversion design, the batch of valve bodies are conveyed in a dispersed manner, avoiding feeding delays caused by concentrated congestion, and ensuring that the clamping module can continuously and stably obtain qualified valve bodies without waiting for replenishment. In addition, the valve bodies with vertical attitude are pre-screened, which greatly reduces the probability of falling on the subsequent track and reduces rework. This not only improves the feeding efficiency but also lays a stable foundation for the subsequent assembly processes of steel balls and springs.

The present application provides a cooked pulp process slurry separator, including a frame, a conical roller is installed on the frame, a spiral hoop is fixedly arranged on the outer circular surface of the conical roller, a mat-shaped net is wrapped outside the conical roller, the mat-shaped net is connected with the frame through a fixing assembly, and a flow guide shell is arranged at the bottom of the mat-shaped net; a motor frame is arranged on the frame, a power mechanism for driving the conical roller to rotate is installed on the motor frame, and the present application relates to the technical field of food processing. The mat-shaped net is wrapped outside the conical roller to form a conical space, slurry falls into the conical space and spreads naturally along the inclined surface of the conical roller, thereby further reducing accumulation; in the process of advancing, the conical roller becomes thinner and thinner towards the small head, the space becomes narrower and narrower, the extrusion force on the bean dregs becomes greater as the bean dregs move forward, and finally the bean dregs that come out of the small head are relatively dry, the residual slurry in the bean dregs is reduced, and the slurry yield is improved.

The utility model discloses a kind of sewer pipe connecting structure with strong adaptability, relating to sewer pipe connecting technical field, including water elbow and cannula, the top of sewer elbow is fixedly installed with connecting fixed component, the connecting fixed component includes big head connecting part and small head connecting part, the big head connecting part is communicated with small head connecting part, the surface of small head connecting part is integrally formed with wire tooth, the top of connecting fixed component is connected with pressure cap by wire thread;The utility model can make the position of pressure cap on connecting fixed component by the wire tooth set, soft leather head cover is in pressure cap, can be realized by rotating pressure cap using pressure cap to compress soft leather head, to make soft leather head and the lower end of sewer device be closely connected, and the position of pressure cap is more upward, then the fastening effect between soft leather head and sewer device is stronger, and the lower end of sewer device of adaptation certain range caliber, additionally, threadless lower end of sewer device can be used, and strong adaptability.

The utility model belongs to the technical field of electrical control equipment, more specifically, relate to a contactor adjustment combination plug gauge structure. The pin shaft (2) is provided on the device frame (1), and the pin shaft (2) is movably sleeved with multiple plug gauge assemblies (3), each plug gauge assembly (3) is in U-shaped structure, each plug gauge assembly (3) includes assembly big head (4) and assembly little head (5) respectively, the thickness size of assembly big head (4) of each plug gauge assembly (3) is different, the thickness size of assembly little head (5) of each plug gauge assembly (3) is different, the thickness size of assembly big head (4) and assembly little head (5) of each plug gauge assembly (3) is different. The contactor adjustment combination plug gauge structure, simple structure can realize the overtravel of alternating current contactor contact and the adjustment of synchronism, and the adjustment precision and efficiency are improved significantly, and the operation is simple and fast.

The utility model relates to connecting rod technical field, concretely relates to a high compression resistance connecting rod, including the rod body, the small head and the big head, the both sides of rod body have the cavity, the inside of cavity has the reinforcing rod, the big head is fixedly connected with the rod body and is located the left side of rod body, the small head is fixedly connected with the rod body and is located the right side of rod body, the inside of cavity still has two S shape around the rod, and two S shape around the rod are fixedly connected with reinforcing rod respectively. Through the cavity set up in the rod body, and then reduce the material required when die casting connecting rod, and then reduce production cost, and in order to avoid reducing the material and affecting the bearing strength, by adding reinforcing rod and two S shape around the rod, improve the overall strength of cavity part, and then avoid reducing the material to cause the influence to the bearing strength, the big head of this connecting rod is used for connecting rotating part, the small head is used for connecting reciprocating motion part, and this connecting rod adopts high strength steel (such as 42CrMo), and its density is high, is used to improve the compression resistance of this device.

The application discloses a pressure decay test method and system based on gas elastic compensation, and relates to the field of sealing pressure test. The method comprises the following steps: connecting a to-be-tested sealed container to a test cavity provided with a gas elastic compensation module, applying a preset pressure test signal first, collecting pressure response and volume change data to identify elastic characteristic parameters of the container; then inflating the test cavity and the container to a target test pressure and entering constant pressure detection, adjusting the compensation amount in real time through pressure feedback control to maintain constant pressure and record the total compensation flow; calculating the theoretical elastic compensation flow based on the elastic characteristic parameters and the real-time pressure, and deducting the total compensation flow to obtain the net compensation flow, thereby determining the leakage rate and comparing it with the integrity standard to realize sealing judgment. Thus, the decoupling of leakage and elastic deformation effect can be realized under the condition of complex elastic structure and small head space, and the detection accuracy and consistency are improved.