45results about How to "Avoid multiple clamping" patented technology

The invention discloses a combined machine tool for drilling an oil hole of a connecting rod and cutting a big-head hole of the connecting rod, and the machine tool comprises a machine platform, a cutting mechanism, two sets of drilling mechanisms and a positioning fixture, wherein the positioning fixture and the drilling mechanisms are arranged on the surface of the machine platform; the cutting mechanism is in sliding connection with the surface of the machine platform; an oil cylinder is used for driving and controlling the cutting mechanism to slide on the surface of the machine platform; a to-be-processed connecting rod is fixed on the positioning fixture; a rotating head of the cutting mechanism is fixed with a saw bit; the saw bit is aligned with a cutting position of a big-head hole of the connecting rod; the cutting mechanism is used for driving the saw bit to cut and move along the preset cutting position of the big-head hole; drilling bits are arranged on the drilling mechanisms; and the drilling bits respectively do feed motion along preset oil hole drilling positions on the big-head hole and a small-head hole of the connecting rod. The invention provides a device combined with two processes of drilling the oil hole for the connecting rod and cutting the connecting rod; the operation of repeatedly clamping the connecting rod during a processing process is avoided; the relative stability of the position of the oil holes on the connecting rod is realized; the device is convenient in operation; and the production efficiency of products is increased.

The invention provides a double-laser composite cutting high-precision drilling method. The drilling method comprises the following steps: installing a laser cutting head at the position of a machining head of a laser machining machine tool, wherein the laser cutting head can output double laser beams, one laser beam is a high-power hot melting cutting laser beam, and the other laser beam is an ultra-fast pulse precision trimming laser beam; adjusting the relative orientation of the laser cutting head and a workpiece so as to enable the two laser beams output by the laser cutting head to be perpendicular or incident on the surface of the workpiece at a certain deviation angle and to focus on the surface of the workpiece, wherein the optical axes of the two focused laser beams are coaxial or parallel; and starting the composite cutting process in any one of three ways. By means of the double-laser composite cutting high-precision drilling method, a surface hardening layer cannot be generated, therefore, traditional machining methods such as milling, boring, drilling, turning and the like do not needed for removing the surface hardening layer, and the method can be directly used fordrilling important metal parts, such as bolt holes, pin holes and other holes with impact or fatigue loads.

The invention provides a five-axis numerical control carving machine swinging head, which comprises a fixed frame, a grinding head mounting bracket connected with the fixed frame, and a grinding head connected with the grinding head mounting bracket, wherein a servo motor is arranged on the fixed frame, a synchronous belt is arranged between the servo motor and the grinding head, and the servo motor drives the grinding head through the synchronous belt. According to the five-axis numerical control carving machine swinging head, the servo motor drives the grinding head through the synchronous belt, and clamping for multiple times can be avoided. The five-axis numerical control carving machine swinging head can be applied to more precise operation. The swinging head has a simple structure, and is easy to use and maintain. The original cutting tool of a four-axis numerical control carving machine can be replaced, and the four-axis numerical control carving machine can be converted into the five-axis numerical control carving machine.

The invention discloses a battery tray bottom plate CNC finish machining fixing tool. The battery tray bottom plate CNC finish machining fixing tool comprises a tool body, and the tool body comprisesan air pressure structure plate, a horizontal positioning mechanism and a negative pressure acupoint adsorption mechanism; and a to-be-machined product is arranged on the air pressure structure plate,clamped in the horizontal positioning mechanism, positioned in the X and Y directions through the horizontal positioning mechanism, attached to all contact points in the vertical direction of the negative pressure acupoint adsorption mechanism 400 in a floating mode, and adsorbed in the Z direction through the negative pressure acupoint adsorption mechanism. In this way, according to the batterytray bottom plate CNC finish machining fixing tool, positioning requirements of the product in the horizontal direction can be effectively met, it can be guaranteed that all the contact points in thevertical direction are attached to the product in the floating mode through negative pressure acupoints, the periphery and hole positions can be machined at a time, thus multiple times of clamping isavoided, and the machining time is shortened.

The invention relates to vertical milling machines and belongs to the field of machining. A cycloid rotational indexing-based novel vertical milling machine is characterized by comprising a machine body mechanism, a milling head mechanism and a worktable mechanism. The cycloid rotational indexing-based novel vertical milling machine comprises two working modes: rotational indexing machining and milling by an eccentric milling cutter. In the rotational indexing machining mode, the milling cutter in compound movements of rotation and revolution is matched with two-dimensional translation of a to-be-machined workpiece and a vertical movement of the milling head mechanism to form a special movement track of the milling cutter relative to the to-be-machined workpiece so as to machine a special part in a complex shape. The milling mode by the eccentric milling cutter is as follows: the milling cutter is fixed in an expected position relative to the rotary center of a spindle box to form the eccentric milling cutter, and the rotation movement of the eccentric milling cutter is combined with two-dimensional translation of the to-be-machined workpiece and a vertical movement of the milling head mechanism. The cycloid rotational indexing-based novel vertical milling machine provided by the invention retains the functions of a conventional milling machine and increases a mode of efficiently machining the part in the special shape by cycloid rotational indexing. The two modes can be freely switched, so that the cycloid rotational indexing-based novel vertical milling machine is of certain universality.

The invention relates to a multi-station processing fixture, which comprises a base plate and at least two processing stations fixedly arranged on the base plate in parallel. The at least two processing stations are used for processing one same parts in at least two directions; each processing station comprises a hold-down device which is used for fixing the parts placed on the corresponding station. Multiple stations are arranged in parallel, so that the parts can be prevented from being clamped for multiple times during a processing process of the parts, equipment is saved, and the production efficiency is effectively improved.

The invention relates to a special fixture for radial porous parts, and the special fixture comprises a base, wherein the base comprises a first plane and a second plane which are vertical to each other, a drilling template is arranged on the first plane, a hole site is formed on the drilling template, and a screw hole and a draw bar hole are formed on the second plane, a screw is rotatably arranged in the screw hole, one end, positioned below the drilling template, of the screw is provided with a locating shaft for installing a part to be processed, the screw is also fixedly provided with a locating block, the locating block is arranged between the locating shaft and the base, a panel, opposite to the base, of the locating block is provided with a plurality of locating pits, a draw bar is rotatably arranged in the draw bar hole, one end of the draw bar is connected to a draw bar handle, the other end of the draw bar is provided with a draw bar contact head which can retract under external action and extend in a free state, the draw bar contact head is arranged at one side, which is provided with the locating block, of the base, and the draw bar contact head is positioned in the locating pits when in the free state. After the fixture is used, the processing efficiency is greatly improved and the product quality is stable.

The invention relates to a machining process of a steering knuckle arm. The machining process comprises the following steps of S1, providing a steering knuckle arm blank; S2, machining a shaft end center hole, a bottom hole and upper and lower end faces of a first taper hole, a second taper hole and upper and lower end faces of the second taper hole; S3, conducting auxiliary supporting on the front side blank face of a to-be-machined conical shaft, and turning the conical shaft and a shaft end thread; S4, machining a cross hole, a step surface and the front end face of the conical shaft; S5, machining the first taper hole. According to the machining process of the steering knuckle arm, efficient machining of the steering knuckle arm is achieved through fewer times of positioning and clamping and fewer machining procedures; and due to the fact that the number of clamping times is fewer, the overall accumulated error is smaller, and the machined steering knuckle arm structure better meets the actual design requirement.

The present invention relates to a film coating fixture, comprising a revolution system, a rotation system and a turnover system; the revolution system comprises a revolution support, a revolution shaft located on the central position of the revolution support and connected with the revolution support, and a guard plate supported on the revolution support; the rotation system is fixed on the guardplate, and comprises a fixing base, a rotating shaft connected to the fixing base and a workpiece plate that is connected to and rotatable with the rotating shaft; the revolution shaft drives the rotation system to rotate, meanwhile the rotating shaft drives the workpiece plate to rotate; the turnover system is connected with the workpiece plate and used for driving the workpiece plate to turn by180 degrees. The film coating fixture of the present invention can effectively improve the effect of film coating, and also can increase the efficiency of film coating.

The invention discloses a hydraulic rotary machining table for an automobile metal part machining center. The hydraulic rotary machining table comprises a mounting bottom plate, one side of the top ofthe mounting bottom plate is connected with a fixing bottom plate in a rotating mode through a rotating piece, one side of the top of the fixing bottom plate is fixedly connected with a first box body, the inner wall of the first box body is connected with a first rotating shaft in a rotating mode, the top of the fixing bottom plate is fixedly connected with a rotating oil cylinder through a fixing frame, the side, far away from the first box body, of the top of the fixing bottom plate is fixedly connected with a sliding track, a sliding base is connected with the surface of the sliding trackin a sliding mode, the top of the sliding base is sequentially and fixedly connected with a second box body and a push plate, and the inner wall of the second box body is connected with a second rotating shaft in a rotating mode. The invention relates to the technical field of automobile machining equipment. According to the hydraulic rotary machining table for the automobile metal part machiningcenter, problems that final precision of the parts is difficult to control due to the fact that the appearances of some metal parts are in irregular shapes, thus machining process is complicated andrepeated clamping and changing machining positions are required to be carried out, and machining efficiency is low are solved.

The invention relates to the technical field of lock machining, in particular to high-precision adjustable lock machining equipment, and aims to solve the problems that in the prior art, a lock panel is poor in machining precision and low in machining efficiency, the high-precision adjustable lock machining equipment comprises an operation plate, a mounting groove is formed in the top face of the operation plate, and a rotating plate is mounted on the inner side of the mounting groove; a driving assembly used for driving the rotating plate to rotate is installed on the operation plate, four cavities are formed in the top of the rotating plate, four through holes communicated with the cavities are correspondingly formed in the bottom of the rotating plate, bottom plates are installed on the inner sides of the four cavities, and a top plate is installed on the top of the operation plate; a lifting plate is mounted at the bottom of the top plate through a lifting assembly. The device is reasonable and stable in structure and easy to operate, the machining precision of the lock panel is effectively improved, the machining efficiency of the lock panel is improved, the labor intensity of operators is reduced, and the device is easy to popularize and use.

The invention belongs to the technical field, and in particular relates to a multi-segment one-time closed forming mold for pipes and a forming method, which includes a supporting plate, a lower mold base, a backing plate, a concave mold plate, a discharge plate, a concave mold fixing plate, Die 2, Die 1, Die fixing sleeve and upper die base, Lower die base, Backing plate, Die plate and stripping plate are closely connected, Die fixing plate, Die 2, Die 1, Die fixing sleeve It is tightly connected with the upper mold base, there is a gap between the supporting plate and the lower mold base, and there is a gap between the discharge plate and the die fixing plate; Fixedly connected, the other end is fixedly connected with the stripping plate; the positioning mandrel passes through the concave formwork, the stripping plate, the concave mold fixing plate, the concave mold two, the concave mold one and the concave mold fixing sleeve, one end is fixedly connected with the backing plate, and the other One end is connected with the upper mold base, etc. The process of the invention is easy to master, easy to ensure mold manufacturing, low manufacturing cost, easy to ensure product size accuracy and shape accuracy, and safe and convenient operation.

The invention relates to a machining method for a large-size thin-wall special-shaped cover body. The machining method comprises the following steps: a tool special for cutting machining is designed and manufactured; 3D reverse modeling is carried out after the blank is scanned; the relative position relation between the blank and the product is determined; according to the comparison relation between the allowance and the removal amount, a machining tool is replaced with a measuring module, the machining profile tolerance and precision of an inner chamber are detected under the condition that a product is not disassembled through online in-situ measurement, and error compensation coping machining is conducted according to a deviation value; and a 90-degree adapter on a vertical milling machine is detached, a spindle of the vertical milling machine is used for milling a second outer profile of the product by taking the end face of the large end of the finish-machined blank as a reference face. The machining method meets the cutting machining requirements of the large-size thin-wall special-shaped ceramic cover body, is simple, convenient and reliable in clamping, high in positioning precision and suitable for popularization and application.

The invention belongs to the technical field of deburring equipment, particularly relates to automatic high-pressure flushing deburring equipment for automobile parts, and aims to solve the problems of low grinding efficiency and need of independent flushing in the prior art, the following scheme is provided: the automatic high-pressure flushing deburring equipment comprises a shell, an air cylinder is arranged in the shell, and a limiting box is fixedly mounted on a telescopic rod of the air cylinder; a base is slidably mounted in the shell, a fixing plate is fixedly mounted on the base, a clamping plate is slidably mounted on the base, circular plates are rotatably mounted on the fixing plate and the clamping plate, a screw is in threaded connection with the base, the screw is rotatably connected with the clamping plate, and a grinding mechanism is arranged in the shell and comprises a rotating rod. According to the grinding device, the grinding efficiency can be improved, automatic flushing can be achieved, time is saved, the machining efficiency is improved, use is easy, and operation is convenient.