Next, the technical solutions in the embodiments of the present invention will be apparent from the embodiment of the present invention, and it is clearly described, and it is understood that the described embodiments are merely embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, there are all other embodiments obtained without making creative labor without making creative labor premises.
 See Figure 1-3 An opening angle can be increased clamp, comprising a fixing table, the top of the fixing table 1 is fixedly connected with an electric push rod main body 2, the top of the putter body 2 is fixed to the electric connector 3 has a first positioning block, the first positioning block side walls is fixedly connected with a rotary shaft 3 is 4, the rotary shaft 4 is connected to the outer wall of active arm 5 is rotated, the rotation end of the movable arm 5 is connected to the moving shaft 10, one end of the outer wall of the activities of the mobile shaft 10 is connected to the arm 5, and rotary arm 510 is connected to the 11 active pressure arm by movement of the shaft, by moving shaft 10 provided, fixing the position of the rotary arm 5 and the pressure arm 11 fixed to the top of the table 1 is fixedly connected with the top of the fixing block 6, the fixed block 6 connected to a second positioning block fixed to 7, the second positioning block 6 and the number of blocks 7 are fixed to two, and each fixing block 6 and each of the second positioning block 7 as a set, and the fixed block 6 with two the second positioning block 7 fixed horizontal table 1 set symmetrically about a centerline axis of symmetry, symmetrically disposed fixed block through a second positioning block 6 and 7, effectively fixes the position of pressure arm 11 and the rotating arm 5, a second positioning 7 is fixedly connected to the side walls with positioning blocks 8, the side walls of the fixed block 6 is connected to a movable shaft 9 is fixed, the movable shaft is connected to the outer wall 9 activity pressure arm 11, the bottom of the pressure arm 11 fixed to the upper limit block 12 is connected, top of the fixed table 1 is fixedly connected with a lower limit block 13, top block 13 defines the lower limit a limiting groove 14, the inner wall of the block activity upper limit stopper groove 12 and the side walls 14 are connected, and the upper limit of the 12-bit block size and shape limiting the size and shape of the grooves 14 are matched with each other, by providing the stopper groove 14, effectively fixes the position of the upper limiting block 12, 12 and lower limit through limit block conjunction with each other bit blocks 13 and 14 limit grooves , the clamp 11 will not be under pressure angle is too large the pressure arm parts are clamped excessively pressed, it reduces the chances of damaged parts, and enhance the security of the parts processing, improve the processing quality parts, press arm top movable bolt 11 is connected to a finite bit 15, the stopper bolt 15 is connected to the outer wall of active pad 16, the caging bolt outer wall and an inner wall 16 of the active pads 15 is connected, and a stainless steel shim washer 16, stainless steel is not acid-resistant stainless steel is referred to, the resistance of air, water, steam and other weak corrosive medium or of a stainless steel species as stainless steel, the stainless steel spacer is provided, it is effective to increase the toughness of the gasket 16, the stopper bolt 15 end of the movable platen 17 is connected to the top of the platen 17 is provided with a cushion, and the cushion rubber cushion rubbers are elastomeric polymer material having a reversible deformation, elastic at room temperature, in a small external force can have a greater deformation force after removal of restitution, provided by a rubber cushion, effectively reduces the possibility of damage to the clamp part, the top of the platen 17 defines a screw hole 18, through holes 15 and the stopper bolt 18 connected to the movable platen 17, through holes 18 provided to facilitate the disassembly of the platen 17, 15, washer 16, plate 17 and screw cooperate with each other by using the stopper bolt 18, so that the staff can be adjusted according to the size of the part the height of the platen 17, further increases Use of a jig, but also more firmly in the part on the support block 19, to improve the machining quality, the top of the fixing table 1 is fixedly connected with a support block 19, by fixing table 1, the electric putter body 2, the first positioning block 3, the rotary shaft 4, rotating arm 5, the fixing block 6, a second positioning block 7, the positioning shaft 8, 9 movable shaft, the moving shaft 10 in conjunction with each other, the press arm 11 and the supporting block 19, reached by the clamp opening angle of Great convenience purposes, to solve the general increase in the opening angle of the clamp is not particularly convenient problems, so that staff can be selected according to the opening angle of the clamp parts requirements, need not stick to a certain kind of parts, increasing the use of the clamp, improve the usability of the clamp, reducing plant investment costs for labor and use.
 The electrical components that appear in this article are connected to the outside of the main controller and 220V city electrical electrical connection, and the main control can be controlled for a computer or the like.
 In use, the electric putter body of the telescopic rod 2 moves downwardly, the first positioning block 3 is moved downwardly, drive arm rotates upward rotation axis 5 on the shaft 4 is positioned on the second positioning block 7 to the center 8 , one end of the pressure arm 5 rotates arm 11 to drive the movable shaft 6 on the fixed block 9 is rotated upwardly to the center, then the clamp is opened, the part to be machined into the support block 19, the electric putter body 2 is upwardly extendable rod movement, the press arm 5 rotates arm 11 is moved downward in the opposite direction, until the part is clamped by the block 12 and the upper limit and lower limit block 13 with the jig, the pressing arm 11 is not excessively pressed parts, by screw holes 17 on the platen 18 to the platen 17 is detached, then increasing or decreasing the number of shims 16 to adjust the height of the platen 15 and the stopper bolt 17, fixing the position of the part.
 In summary, the opening angle can be increased clamp, the clamp achieve the purpose of easy opening angle increases, the working can be selected according to the opening angle of the clamp parts requirements, need not stick to a certain kind of parts, increased use of the jig, the jig improved usability, reducing the investment for plant and cost of doing so, improve the security of processing parts, to improve the machining quality.
 It should be noted that in this article, a relationship term such as the first and second, etc. is only used to separate an entity or operation with another entity or an operational area, without having to require or imply these entities or operations. There is any such practical relationship or order. Moreover, the term "comprising", "comprising" or any other variable is intended to encompass non-exclusive contained, so that the process, method, article, or device including a series of elements, not only those elements, but also not expressly listed. Other elements, or elements that are also inherent to this process, method, item, or device.
 While the embodiments of the invention have been shown and described, these examples may be made to make a variety of changes, modifications, and replacement without departing from the principles and spirit of the present invention, without departing from the spirit and spirit of the present invention.And variations, the scope of the invention is defined by the appended claims and their equivalents.