61results about How to "Adjust the clamping force" patented technology

The invention discloses a numerical control machine tool having a clamping function and used for PCB production. The numerical control machine tool comprises a workbench and a manipulator, the manipulator is located over the workbench, and the two opposite faces of the manipulator are movably connected with the two sides of a PCB respectively. Sliding grooves are formed in the upper surface of theworkbench, first bearings are embedded in the inner walls of the sliding grooves, the inner walls of the first bearings are fixedly connected with the surface of a guide rod, and the guide rod is movably sleeved with moving blocks, springs and first clamping plates. Each moving block is located on the side, away from the center of the workbench, of the corresponding first clamping plate. The front faces and the back faces of the moving blocks and the first clamping plates are in sliding connection with the inner walls of the sliding grooves. By arranging the guide rod, the moving blocks, thesprings, the first clamping plates, a rack, a gear and a second clamping plate, the problems that PCB components and wiring precision are affected due to the facts that the position of the PCB on thesurface of the numerical control machine tool is not fixed and the stop position has errors are solved.

The invention relates to the technical field of mechanical equipment, in particular to a manipulator based on automatic control. A vertical plate is arranged on the front side of a sliding rail, and the rear side of the vertical plate is slidably arranged on the sliding rail through a sliding block; the rear side wall of the vertical plate is fixedly connected with a nut which is in threaded connection with a first lead screw; an adjusting plate is movably arranged on the front side of the vertical plate, and the rear side wall of the adjusting plate is fixedly connected with a nut in threadedconnection with a second lead screw; a cross beam is vertically and fixedly arranged on the front side wall of the adjusting plate, and a clamping mechanism is arranged on the lower side of the crossbeam; clamping arms are symmetrically and rotationally arranged on the left and right sides of the lower end of an internal thread pipe through rotating shafts and bearings; and clamping plates are movably connected to the lower ends of the clamping arms on the left side and the right side through hinge pieces, the manipulator is driven by a motor to move, no structures such as an air throttle needs to be adopted for cooperative work, the manufacturing cost and energy consumption are reduced, the whole device is convenient to repair and maintain through motor driving, and the cargo clamping force can be effectively controlled in the cargo clamping process.

The invention provides a terminal pin-inserting device which comprises a cam box body, a cam connecting shaft, a pin-inserting cam, a connecting block, a driving shaft, a pin-inserting push block, a clamping cam, a clamping swing rod, a first U-shaped block, a chuck sliding block, a clamping cutter, a cutting cam, a cutting swing rod, a second U-shaped block, a cutting sliding block, a cutting tool and a static cutter block. The terminal pin-inserting device provided in the invention can integrally complete terminal clamping, terminal cutting and terminal pin inserting actions, and has the advantages of high machining precision, fast speed and high production efficiency.

The invention provides a terminal pin plugging device comprising a cam box body, a cam connecting shaft, a cutting cam, a pin plugging cam, a material clamping cam, a cutting transmission shaft, a pin plugging transmission shaft, a material clamping transmission shaft, a cutting connecting block, a pin plugging connecting block, a material clamping connecting block, an upper knife track block, a lower knife track block, a first slide block supporting base, an upper knife slide block, a lower knife slide block, an upper cutting knife, a lower cutting knife, an upper clamping head slide rod, a lower clamping head slide rod, an upper clamping head, a lower clamping head, an upper clamping head track block, a lower clamping head track block, an upper clamping head slide block, a lower clamping head slide block and a second slide block supporting base. A cutting mechanism, a material clamping mechanism and a pin plugging mechanism are driven to actuate orderly by the cam connecting shaft so that motions of terminal material clamping, terminal cutting and terminal pin plugging can be completed by the terminal pin plugging device in an integrated way, and the terminal pin plugging device is high in processing precision, high in speed and high in production efficiency.

The invention relates to a rapid mold adjusting method for an injection molding machine. The method includes the following steps that S1, a moving mold plate is controlled to move to a predetermined position; whether the moving mold plate makes contact with a mold or not is judged, and if yes, the next step is performed; otherwise, the moving mold plate is continued to move to the predetermined position; S2, the mold is opened, a mold adjusting gear wheel rotates, and a pulling rod is adjusted to move forwards or backwards, so that the fine adjustment of the distance between the moving mold plate and the mold is achieved; S3, the moving mold plate is finely adjusted to reach the preset mold locking force, and the mold adjusting is successful; and if the mold locking force does not reach or exceeds the preset value, the step S2 is continued. The invention further relates to a rapid mold adjusting device for the injection molding machine. By means of the rapid mold adjusting method and the mold adjusting device for the injection molding machine, the time of the whole mold adjusting process is greatly shortened, and the working efficiency of the injection molding machining is improved.

The invention discloses a radiation low-pressure environment simulation cabin, which comprises a protection frame and a simulation cabin. The inner side of the protection frame and the outer side of the simulation cabin are fixedly installed, and the simulation cabin comprises a heat preservation cabin body, a low-pressure cabin body, a ventilation hole plate, a circulating fan, a heating unit, a refrigerating unit, an evaporator, a vacuum unit and a temperature sensor. According to the radiation low-pressure environment simulation cabin, the refrigerating unit, the heating unit and the circulating fan are started to send the adjusted temperature to the position above the ventilation hole plate in the heat preservation cabin body through the air pipe, then the adjusted temperature is evenly sent into the heat preservation cabin body through the ventilation hole plate, and the adjusted air evenly radiates the six wall faces of the low-pressure cabin body under the flowing condition; the purpose of controlling and adjusting the temperature in the low-pressure cabin body is achieved, air in the heat preservation cabin body returns to the temperature adjusting section through the air pipe, circulation in the heat preservation cabin body is formed, meanwhile, the circularly flowing air can be dehumidified and dried at the position where the air passes through the evaporator, and dew condensation on the wall face of the low-pressure cabin body is further avoided.

The invention relates to the field of manufacturing of automobiles, in particular to an automobile seat sliding track assembling machine, a clamping mechanism thereof and an adjusting method. The automobile seat sliding track assembling machine comprises a clamping supporting seat, movable clamping plates, a fixed bottom plate and clamping finger cylinders, wherein the two movable clamping plates are respectively arranged on two sides of the clamping supporting seat; the two clamping finger cylinders are respectively fixed on the fixed bottom plate and are respectively connected with the two movable clamping plates; each movable clamping plate has a 7-shaped structure and comprises a lower adjusting surface and an upper adjusting surface; each upper adjusting surface is arranged on a projection; and each lower adjusting surface is arranged on a recess. The automobile seat sliding track assembling machine has the advantages that after clamping, the distance between the two movable clamping plates is constant, and the clamping force is convenient to adjust.

The invention is suitable for the technical field of machines, and provides a precision pneumatic clamp for machining. The precision pneumatic clamp comprises a base, a first fixed side plate, a second fixed side plate, a sliding plate, a fixed clamping block, a sliding cover plate, two guide rails, an air cylinder, a manual valve and an airflow adjusting valve; the first fixed side plate and thesecond fixed side plate are installed on the left and right ends of the base, the air cylinder and the airflow adjusting valve are installed on the outer side wall of the first fixed side plate, the fixed clamping plate is installed at the upper end of the second fixed side plate, one ends of the two guide rails are inserted into the first fixed side plate to be connected with the air cylinder ina penetrating manner, and the other ends of the two guide rails are inserted into the second fixed side plate; and the sliding plate is installed on the two guide rails and are located between the first fixed side plate and the second fixed side plate, the sliding cover plate is installed at the upper end of the sliding plate, the fixed clamping plate is flush with the sliding cover plate, the manual valve is installed on the air cylinder, and the air cylinder is connected with the airflow adjusting valve and the manual valve. The clamp is convenient to use and high in clamping efficiency, theclamping force can be evenly adjusted, and the product cannot deform and is stable in size.

The invention discloses a polyvinyl chloride (PVC) waterproof coiled material which comprises a base, two pairs of mounting plates are arranged on the outer wall of the top of the base, a cooling box is arranged between the mounting plates, cooling equipment is arranged on the outer wall of the top of the cooling box, a first rotating roller is arranged between each pair of mounting plates, and the same coiled material body is arranged in the first rotating rollers and the cooling box. A warning lamp is arranged on the outer wall of the top of the mounting plate, swing grooves are formed in the outer wall of one side of the mounting plate, fixing columns are fixedly connected into the swing grooves, swing plates are rotatably connected to the outer walls of the fixing columns, first connecting springs are arranged between the lower ends of the swing plates and the inner walls of the swing grooves, and guide grooves are formed in the upper portions of the inner walls of one sides of the swing grooves. And a guide pulley is arranged in the guide groove. When the deviation distance of the coiled material body on the first rotating roller is gradually increased, the resistance value of the resistor is smaller and smaller, so that the warning lamp is brighter and brighter, an early warning can be given, a worker can be reminded of the deviation degree of the coiled material body, and the worker can deal with the deviation degree conveniently.

The invention discloses an automatic clamping device for a 5G oscillator, and relates to the technical field of clamping devices. the problems that when an existing clamp fixes an oscillator arm, clamping force is not easy to adjust, the oscillator arm is easy to clamp and shrink and materials are wasted are solved. The automatic clamping device for the 5G oscillator comprises a clamping linkage rod, wherein the clamping linkage rod is inserted into the bottom of a transverse rod in the middle of a clamping supporting shell. The automatic clamping device can perform three-point clamping on the oscillator arm under matching action of two clamping positioning pieces and a linkage block when clamping the oscillator arm, and stable and fixed machining of the oscillator arm is ensured; the automatic clamping device can slowly clamp the oscillator arm under the action of a adaptive top spring when clamping the oscillator arm, so that an adjusting stroke side length of the clamping force is increased, the clamping force of the oscillator arm can be conveniently adjusted during machining, convenience and rapidness are achieved, the phenomenon that the oscillator arm is damaged due to the fact that the clamping force is too large is avoided, and the production and machining yield of the oscillator arm is increased.

The invention discloses a novel glue-free roll tail sealing device. The novel glue-free roll tail sealing device comprises a plurality of tail sealing mechanisms arranged side by side and a drive unit. Each tail sealing mechanism comprises a tail sealing clamp and a connecting unit. The drive unit is rotation shaft drive. The connecting units of the multiple tail sealing mechanisms are in transmission fit with the drive unit. The drive unit rotates in a reciprocating manner so as to drive the multiple connecting units to swing, and accordingly the corresponding tail sealing clamps are driven to be opened and closed along with swinging of the connecting units. Through the manner that the drive unit rotates in a reciprocating manner so as to drive the multiple connecting units to swing, thetail sealing clamps are opened and closed along with swinging of the corresponding connecting units, accordingly, coiling block clamping and tail sealing are achieved, and the effect that one drive unit drives the multiple tail sealing clamps to be opened and closed at the same time is achieved.

The invention discloses an in-mold spraying system which comprises an injection machine, a PU injection device and a mold temperature control unit, the injection machine comprises a hopper, an injection part, a front mold plate, a movable mold plate and a mold closing mechanism, a first half mold is arranged on the front mold plate, a second half mold and a third half mold are arranged on the movable mold plate, and the mold temperature control unit is arranged on the second half mold. The second half mold and the third half mold are respectively assembled with the first half mold to form a base material injection mold cavity and a PU injection mold cavity, and the side surface of the third half mold is provided with a double-inclined mixing nozzle connected with a PU injection device; the outer part of the double-inclined type mixing spray head is in inclined sealing connection with the side surface of the third half mold and is in inclined sealing butt joint with the side surface of the first half mold in the mold closing process; and the internal spraying axis of the double-inclined type mixing spray head is inclined to the axis of an injection runner in the PU injection mold cavity. The invention further discloses a technological method for conducting spraying through the in-mold spraying system. And a pair of inclined mixing nozzles is obliquely mounted on the side surface of the third half mold, so that the quality stability and continuity are improved.

The invention provides a hydraulic fastening device, comprising a support platform, a clamping block symmetrically arranged on the support platform, a hydraulic cylinder driving the clamping block, a hydraulic pump connected to the hydraulic cylinder, and the hydraulic pump is connected to an oil tank. The beneficial effects of the present invention are: adopting the above technical scheme, the clamping block is pushed by the hydraulic cylinder to clamp the workpiece, which can reduce the application of manpower, and at the same time, the clamping effect is good and the stability is high; and the clamping can be gradually adjusted as required intensity.

The invention discloses an automatic stacking fixture. The automatic stacking fixture comprises a robot and a connecting plate. One end of the connecting plate is provided with a koji stacking mechanism, and the other end is provided with a koji unloading mechanism. The koji stacking mechanism comprises a base and two parallel sliding plates connected to the bottom of the base slidably, wherein parallel clamping plates are evenly arranged at the bottoms of the sliding plates, the distance between every two adjacent clamping plates is matched with the width of koji blocks, and a power mechanismfor driving the sliding plates to move is arranged on the base. The koji unloading mechanism comprises a bottom plate and side plates arranged on the two sides of the bottom plate, wherein the distance between the two side plates is matched with the length of the koji blocks, and a first floating clamping mechanism used for clamping the koji blocks is arranged on any side plate. According to theautomatic stacking fixture, the traditional process of manually transferring the koji blocks is replaced, the automation degree is high, the labor intensity is reduced, the production cost is reduced,and the production efficiency is improved; and moreover, the automatic stacking fixture is a composite fixture, can finish the transfer of koji blocks in two procedures on the same device at the sametime, and is high in universality.