Novel energy-saving electric hole positioning clamp holder

Abstract

The invention belongs to the technical field of electromechanical equipment positioning and clamping through holes in workpieces, and particularly relates to a novel energy-saving electric hole positioning clamper which comprises a clamper shell, a clamping mechanism is arranged in the clamper shell, and the clamping mechanism is used for clamping and positioning the workpieces; the clamping mechanism comprises a supporting block, a positioning column, a fixing hook, a right-angle connecting rod, a linkage connecting rod and a follow-up connecting rod, the lower end of the supporting block is fixedly connected with the interior of the upper end of the clamping device shell, the positioning column is fixedly connected with the interior of the supporting block, the fixing hook is arranged in the positioning column, the whole right-angle connecting rod is in a bent shape, and the bent part of the right-angle connecting rod is rotationally connected with the interior of the clamping device shell. One end of the right-angle connecting rod is rotationally connected with the middle of the lower end of the fixing hook, and one end of the linkage connecting rod is rotationally connected with the interior of the holder shell. The screw rod is adopted as an output transmission mechanism, so that a low-voltage and low-power motor is matched to serve as a main power source, the output torque is increased, and the clamping force requirement is met.

Description

Technical Field

[0001] The invention belongs to the technical field of electromechanical equipment using holes on a workpiece for positioning and clamping, and in particular relates to a novel energy-saving electric hole positioning clamp. Background Art

[0002] Automobile body-in-white welding lines and sheet metal welding lines in automobile parts use the holes on the sheet metal material to locate the workpiece before welding and clamp it before welding to ensure the welding quality of the welding points and welded components.

[0003] The hole locating clamps currently used in the market are mainly divided into manual and pneumatic hole locating clamps. Manual hole locating clamps are mainly used in manual production stations with low production rhythm, and pneumatic hole locating clamps are mainly used in automated production lines or workstations with high production rhythm.

[0004] At present, in the automated production line, the composition and control principle of the production line using pneumatic hole positioning clamps are as follows: PLC (logic control) controls the coil of the pneumatic solenoid valve to change the passage of the air circuit, thereby changing the direction of movement of the cylinder of the pneumatic hole positioning clamp as the driving force to achieve the clamping state of the pneumatic hole positioning clamp (clamping or opening). The power source of the clamp cylinder comes from the compressed air provided by the air compressor.

[0005] According to the current status of the use of pneumatic hole positioning clamps in the automation line, there are mainly the following problems that need to be solved. The parameterizable electric hole positioning clamp invented by our company can effectively solve the following problems, thereby saving energy and reducing costs for production and operation activities, ensuring supply security, and making it safer and more flexible to use.

[0006] Problem 1: The energy supply system is complex and costly: Traditional production lines that use pneumatic hole positioning grippers require the support of a complete set of compressed air supply systems. This system is complex (requires 10 types of components: air compressor + aftercooler + air tank + main line filter + air dryer + branch line filter + pressure reducing valve + oil mist collector + pressure switch + air pipe). The initial investment cost is as high as hundreds of thousands, and maintenance costs are also required in the later stage.

[0007] Problem 2: Pneumatic solenoid valve island has high cost, long delivery time and uncontrollable supply chain: Pneumatic solenoid valve island has high technical barriers, high price and long delivery time.

[0008] Problem 3: Low energy conversion efficiency and high energy cost: When using pneumatic hole positioning grippers as the power source, compressed air is used. Energy conversion is through the conversion of electrical energy into the internal energy of compressed air, and compressed air is converted into mechanical energy through the cylinder. During the transmission of compressed air in the air path, pressure drop, leakage and other energy losses will occur, resulting in low energy conversion efficiency and high production costs. In the comparison of pneumatic, hydraulic and electrical energy costs, pneumatic energy costs are the highest, and electrical energy costs are the lowest.

[0009] Problem 4: When the air pipe of a pneumatic hole positioning clamp that uses a cylinder as the driving force source accidentally falls off or ruptures, the pneumatic clamp will experience uncontrollable movements under the load gravity, reverse force or external force, resulting in unsafe problems such as the position cannot be maintained, the power disappears, and the workpiece falls. Summary of the invention

[0010] The purpose of the present invention is to provide a new energy-saving electric hole positioning clamp, which adopts a screw as an output transmission mechanism and a low-voltage and low-power motor as a main power source to increase the output torque and meet its clamping force requirements.

[0011] The technical solution adopted by the present invention is as follows: A novel energy-saving electric hole positioning clamp comprises a clamp housing, a clamp mechanism is arranged inside the clamp housing, and the clamp mechanism is used for clamping and positioning a workpiece; The clamping mechanism includes a support block, a positioning column, a fixing hook, a right-angle connecting rod, a linkage connecting rod and a follower connecting rod, the lower end of the support block is fixedly connected to the interior of the upper end of the clamp housing, the positioning column is fixedly connected to the interior of the support block, the upper end of the positioning column is set as an arc surface, the fixing hook is set inside the positioning column, the middle part of the right-angle connecting rod is rotatably connected to the clamp housing, one end of the right-angle connecting rod is rotatably connected to the middle part of the lower end of the fixing hook, one end of the linkage connecting rod is rotatably connected to the interior of the clamp housing, the other end of the linkage connecting rod is rotatably connected to the lower end of the fixing hook, and one end of the follower connecting rod is rotatably connected to the other end of the right-angle connecting rod; The other end of the follower connecting rod is rotatably connected to a driving mechanism, and the driving mechanism drives the follower connecting rod to move in a vertical direction; a monitoring device is arranged on one side of the clamp housing, and the monitoring device monitors the distance of the output end of the driving mechanism.

[0012] In a preferred embodiment, the position where the right-angle connecting rod is rotatably connected to the clamp housing is perpendicular to the position where the linkage connecting rod is rotatably connected to the clamp housing, and the vertical spacing between the two is the same as the spacing between the two when the fixed hook is rotatably connected.

[0013] In a preferred embodiment, a fixing groove is formed at the upper end of the fixing hook, and the inner side of the fixing groove matches with the upper end of the supporting block.

[0014] In a preferred embodiment, the right-angle connecting rod is bent as a whole, and the bend is located in the internal rotation connection of the clamp housing.

[0015] In a preferred embodiment, the driving mechanism includes a mounting flange seat, a driving motor, a controller, a screw, a screw nut and a driving rod, the mounting flange seat is fixedly connected to the lower part of the clamp housing, the upper end of the driving motor is fixedly connected to the interior of the mounting flange seat, the lower end of the screw is fixedly connected to the output end of the driving motor, the controller is fixedly connected to one side of the driving motor, the inner side of the screw nut is threadedly connected to the outer edge of the screw, the interior of the driving rod is fixedly connected to the outer edge of the screw nut, and the interior of one side of the driving rod is rotatably connected to the other end of the follower connecting rod.

[0016] In a preferred embodiment, the entire material of the screw rod is set to alloy steel.

[0017] In a preferred solution, the controller is connected to the mains, and a PLC module is integrated inside the controller.

[0018] In a preferred solution, rotating pins are provided on both sides of the driving rod, and the outer edges of the rotating pins are fixedly connected with needle bearings.

[0019] In a preferred embodiment, a guide groove matching with the needle bearing is vertically opened inside the housing of the clamp, and the inner side of the guide groove contacts with the outer edge of the needle bearing.

[0020] In a preferred embodiment, the monitoring device includes a position rod, a clamping position sensor and an opening position sensor. The position rod is fixedly connected to the other side of the driving rod, the clamping position sensor is fixedly connected to the upper end inside the clamp housing, and the opening position sensor is fixedly connected to the lower end inside the clamp housing. The clamping position sensor and the opening position sensor are arranged vertically and cooperate with the position rod.

[0021] In a preferred embodiment, the clamping position sensor and the opening position sensor are electrically connected to the controller.

[0022] The technical effects achieved by the present invention are: The present invention adopts a screw rod as an output transmission mechanism, thereby cooperating with a low-voltage and low-power motor as a main power source to meet the clamping force requirements.

[0023] The screw rod used in the mechanism of the present invention uses a set self-locking pressure angle, so that the mechanism can still maintain the clamping position unchanged even in the case of power failure, which can fully ensure the safety after abnormal power failure during operation. The screw rod material is set to alloy steel, and the alloy steel is heat treated, surface treated or otherwise used to increase the strength of the alloy steel. At the same time, a grinding process is used to maximize the reduction of the friction coefficient and enhance the wear resistance of the screw rod, thereby increasing its service life.

[0024] The present invention adopts a programmable drive motor to achieve lightweight volume while meeting flexible customization requirements, and can be used to clamp different sheet metal materials within a certain range.

[0025] The present invention adopts a self-locking connecting rod mechanism to increase the maximum holding force of the clamp when the clamp is in the clamping position, so as to avoid the clamping state being damaged by vibration and impact of the workpiece in the working state.

[0026] Compared with the original pneumatic hole positioning clamp, the present invention greatly simplifies the control system, eliminates the need for a complete pneumatic control system, and saves production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is an overall schematic diagram of an embodiment of the present invention; Figure 2 is a schematic diagram of the overall clamping of an embodiment of the present invention; Figure 3 An embodiment of the present invention Figure 2 Schematic diagram at A in the middle; Figure 4 It is a schematic diagram of an overall opening of an embodiment of the present invention; Figure 5 An embodiment of the present invention Figure 4 Schematic diagram at point B in the middle; Figure 6 It is an overall internal explosion diagram of an embodiment of the present invention.

[0028] In the accompanying drawings, the components represented by the reference numerals are listed as follows: 1. Clamp housing; 2. Clamping mechanism; 201. Support block; 202. Positioning column; 203. Fixing hook; 204. Right-angle connecting rod; 205. Linkage connecting rod; 206. Follow-up connecting rod; 3. Driving mechanism; 301. Mounting flange seat; 302. Driving motor; 303. Controller; 304. Screw; 305. Screw nut; 306. Driving rod; 3061. Rotating pin; 3062. Needle bearing; 4. Monitoring device; 401. Position rod; 402. Clamping position sensor; 403. Opening position sensor. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0030] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0031] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The phrase "in a preferred embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

[0032] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0033] See also Figures 1 to 6 As shown, the present invention provides a novel energy-saving electric hole positioning clamp, including a clamp housing 1, a clamping mechanism 2 is arranged inside the clamp housing 1, and the clamping mechanism 2 is used to clamp and position the workpiece; the clamping mechanism 2 includes a support block 201, a positioning column 202, a fixing hook 203, a right-angle connecting rod 204, a linkage connecting rod 205 and a follower connecting rod 206, the lower end of the support block 201 is fixedly connected to the interior of the upper end of the clamp housing 1, the positioning column 202 is fixedly connected to the interior of the support block 201, and the upper end of the positioning column 202 is set to an arc surface, so that when the workpiece is installed into the upper end of the positioning column 202, it can be guided by the arc surface of the positioning column 202 and can be installed on the upper end of the positioning column 202 more conveniently and accurately, thereby improving the convenience of workpiece installation. The fixing hook 203 is arranged inside the positioning column 202, the whole right-angle connecting rod 204 is bent, and its bend is in the internal rotation connection of the clamp housing 1, one end of the right-angle connecting rod 204 is rotationally connected to the middle part of the lower end of the fixing hook 203, one end of the linkage connecting rod 205 is rotationally connected to the inside of the clamp housing 1, the other end of the linkage connecting rod 205 is rotationally connected to the lower end of the fixing hook 203, and one end of the follower connecting rod 206 is rotationally connected to the other end of the right-angle connecting rod 204; the other end of the follower connecting rod 206 is rotationally connected to the driving mechanism 3, and the driving mechanism 3 drives the follower connecting rod 206 to move in the vertical direction; a monitoring device 4 is arranged on one side of the clamp housing 1, and the monitoring device 4 monitors the distance of the output end of the driving mechanism 3.

[0034] Specifically, the workpiece is mounted on the outer edge of the positioning column 202. When the workpiece needs to be fixed, the driving mechanism 3 drives the other end of the follower connecting rod 206 to move in the vertical direction. When the driving mechanism 3 drives the follower link 206 to move upward, the other end of the follower link 206 pulls the other end of the right-angle link 204 to move upward, and the right-angle link 204 rotates downward with the bending part as the axis. The rotation of the right-angle link 204 causes the other end to pull the lower end of the fixing hook 203 to move downward, so that the fixing hook 203 moves obliquely downward out of the interior of the positioning column 202. When the driving mechanism 3 drives the follower link 206 to move downward, the other end of the follower link 206 pulls the other end of the right-angle link 204 to move downward, thereby causing the right-angle link 204 to rotate upward with the bending part as the axis. The rotation of the right-angle link 204 causes the other end to pull the lower end of the fixing hook 203 to move upward, so that the fixing hook 203 moves obliquely upward into the interior of the positioning column 202; thus, the extension and movement of the fixing hook 203 are completed, thereby achieving the reverse unlocking force of the clamp at the working position clamping position being much greater than the clamping force of the existing motor drive device, thereby achieving the effect of reducing the output power of the motor and reducing energy consumption; At the same time, when the fixed hook 203 moves, the linkage link 205 rotates together with the right-angle link 204, so that the linkage link 205 limits the lower end of the fixed hook 203, ensuring that the fixed hook 203 can move obliquely; The fixing hook 203 can be moved vertically and obliquely to move in or out of the positioning column 202. When the fixing hook 203 moves out of the positioning column 202, the workpiece installed on the outer edge of the positioning column 202 can be clamped and fixed; when the fixing hook 203 moves into the positioning column 202, the workpiece installed on the outer edge of the positioning column 202 can be unlocked.

[0035] See also Figure 2 , Figure 4 and Figure 6 As shown, a fixing groove is provided at the upper end of the fixing hook 203, and the inner side of the fixing groove cooperates with the upper end of the support block 201. When the upper end of the fixing hook 203 extends out of the interior of the positioning column 202, the interior of the fixing groove contacts the workpiece on the upper part of the support block 201, thereby completing the fixing of the workpiece by the fixing hook 203.

[0036] See also Figure 2 and Figure 4As shown, the position where the right-angle connecting rod 204 is rotatably connected to the clamp housing 1 and the position where the linkage connecting rod 205 is rotatably connected to the clamp housing 1 are perpendicular to each other, and the vertical spacing between the two is the same as the spacing between the two when the fixed hook 203 is rotatably connected; the moving mechanism composed of the fixed hook 203, the right-angle connecting rod 204 and the linkage connecting rod 205 is used to move by parallelogram, so that the fixed hook 203 is always kept in a vertical state during the movement.

[0037] See also Figure 2 and Figure 3 As shown, the driving mechanism 3 includes a mounting flange seat 301, a driving motor 302, a controller 303, a screw rod 304, a screw rod nut 305 and a driving rod 306. The mounting flange seat 301 is fixedly connected to the lower part of the clamp housing 1, the upper end of the driving motor 302 is fixedly connected to the inside of the mounting flange seat 301, the lower end of the screw rod 304 is fixedly connected to the output end of the driving motor 302, the controller 303 is fixedly connected to one side of the driving motor 302, the inner side of the screw rod nut 305 is threadedly connected to the outer edge of the screw rod 304, and the inner side of the driving rod 306 is threadedly connected to the outer edge of the screw rod 304. The outer edge of the lead screw nut 305 is fixedly connected, and the inner part of one side of the driving rod 306 is rotatably connected to the other end of the follower connecting rod 206. The rotation of the driving motor 302 is controlled by the controller 303. The rotation of the driving motor 302 drives the lead screw 304 to rotate. The rotation of the lead screw 304 drives the lead screw nut 305 threadedly connected thereto to move vertically along the lead screw 304. The movement of the lead screw nut drives the driving rod 306 to move vertically. The vertical movement of the driving rod 306 drives the linkage connecting rod 205 to move vertically.

[0038] See also Figure 2 and Figure 3 As shown, the overall material of the screw rod 304 is set to alloy steel, and the alloy steel is subjected to heat treatment, surface treatment or other methods to increase the strength of the alloy steel, thereby improving its wear resistance. At the same time, a grinding process is used to minimize the friction coefficient and enhance the wear resistance of the screw rod 304, thereby increasing its service life and improving the stability of equipment operation.

[0039] See also Figure 2 , Figure 4 and Figure 6 As shown, the controller 303 is internally integrated with a PLC module, and the controller 303 is connected to the mains. The rotation angle, operating speed, start and stop acceleration and deceleration of the drive motor 302 can be controlled by the PLC module and can be set within the operating range of the mechanical design to achieve fully flexible application.

[0040] See also Figures 1 to 6As shown, rotating pins 3061 are provided on both sides of the driving rod 306, and the outer edge of the rotating pin 3061 is fixedly connected to a needle bearing 3062. A guide groove matching the needle bearing 3062 is vertically opened inside the clamp housing 1, and the inner side of the guide groove is in contact with the outer edge of the needle bearing 3062. The driving rod 306 is double-limited by the guide groove and the screw rod 304 to ensure the stability of the vertical movement of the driving rod 306. At the same time, the needle bearing 3062 is used to apply the bearing pressure to the clamp housing 1 when the driving rod 306 is subjected to an oblique force. At the same time, when the driving rod 306 moves, the pressure on the driving rod 306 is converted into rolling friction with the clamp housing 1 through the needle bearing 3062, thereby reducing the friction when the driving rod 306 moves, thereby reducing the output load of the driving motor 302.

[0041] See also Figure 2 , Figure 4 and Figure 6 As shown, the monitoring device 4 includes a position rod 401, a clamping position sensor 402 and an opening position sensor 403. The position rod 401 is fixedly connected to the other side of the driving rod 306, the clamping position sensor 402 is fixedly connected to the upper end inside the clamp housing 1, and the opening position sensor 403 is fixedly connected to the lower end inside the clamp housing 1. The clamping position sensor 402 and the opening position sensor 403 are arranged vertically, and the two cooperate with the position rod 401. The position rod 401 that moves with the driving rod 306 is monitored by the clamping position sensor 402 and the opening position sensor 403, the position state of the driving rod 306 is judged, and then the position state of the fixed hook 203 is monitored.

[0042] See also Figures 1 to 6 As shown, the clamping position sensor 402 and the opening position sensor 403 are electrically connected to the controller 303. The clamping position sensor 402 and the opening position sensor 403 transmit the position data of the monitored position rod 401 to the PLC module inside the controller 303 for data processing, so as to better set the number of rotations, starting acceleration and deceleration time, and running speed of the driving motor 302 to control the number of rotations and running speed of the motor's working output, so as to control the forward and reverse travel distance and speed of the screw rod 304, thereby realizing the control of the extension and retraction displacement and speed of the fixed hook 203, so as to adapt to different work application scenarios and meet flexible production.

[0043] The working principle of the present invention is: the workpiece is mounted on the outer edge of the positioning column 202. When the workpiece needs to be fixed, the driving mechanism 3 drives the other end of the follower connecting rod 206 to move in the vertical direction. When the driving mechanism 3 drives the follower link 206 to move upward, the other end of the follower link 206 pulls the other end of the right-angle link 204 to move upward, and the right-angle link 204 rotates downward with the bending part as the axis. The rotation of the right-angle link 204 causes the other end to pull the lower end of the fixing hook 203 to move downward, so that the fixing hook 203 moves obliquely downward out of the interior of the positioning column 202. When the driving mechanism 3 drives the follower link 206 to move downward, the other end of the follower link 206 pulls the other end of the right-angle link 204 to move downward, thereby causing the right-angle link 204 to rotate upward with the bending part as the axis. The rotation of the right-angle link 204 causes the other end of the right-angle link 204 to pull the lower end of the fixing hook 203 to move upward, so that the fixing hook 203 moves obliquely upward into the interior of the positioning column 202; thus, the extension and movement of the fixing hook 203 are completed; At the same time, when the fixed hook 203 moves, the linkage link 205 rotates together with the right-angle link 204, so that the linkage link 205 limits the lower end of the fixed hook 203, ensuring that the fixed hook 203 can move obliquely; The fixing hook 203 can be moved vertically and obliquely to move in or out of the positioning column 202. When the fixing hook 203 moves out of the positioning column 202, the workpiece installed on the outer edge of the positioning column 202 can be clamped and fixed; when the fixing hook 203 moves into the positioning column 202, the workpiece installed on the outer edge of the positioning column 202 can be unlocked.

[0044] The above are only preferred embodiments of the present invention. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principles of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the art unless otherwise specified and limited.

Claims

1. A new type of energy-saving electric hole positioning clamp, characterized by: It comprises a clamping shell (1), wherein a clamping mechanism (2) is arranged inside the clamping shell (1), and the clamping mechanism (2) is used to clamp and position a workpiece; The clamping mechanism (2) comprises a support block (201), a positioning column (202), a fixing hook (203), a right-angle connecting rod (204), a linkage connecting rod (205) and a follower connecting rod (206); the lower end of the support block (201) is fixedly connected to the interior of the upper end of the clamp housing (1); the positioning column (202) is fixedly connected to the interior of the support block (201); the upper end of the positioning column (202) is configured as an arc surface; the fixing hook (203) is disposed on the positioning column (202) ), the middle part of the right-angle connecting rod (204) is rotatably connected to the clamp housing (1), one end of the right-angle connecting rod (204) is rotatably connected to the middle part of the lower end of the fixing hook (203), one end of the linkage connecting rod (205) is rotatably connected to the inside of the clamp housing (1), the other end of the linkage connecting rod (205) is rotatably connected to the lower end of the fixing hook (203), and one end of the follower connecting rod (206) is rotatably connected to the other end of the right-angle connecting rod (204); The other end of the follower connecting rod (206) is rotatably connected to a driving mechanism (3), and the driving mechanism (3) drives the follower connecting rod (206) to move in a vertical direction; a monitoring device (4) is provided on one side of the clamp housing (1), and the monitoring device (4) monitors the distance of the output end of the driving mechanism (3).

2. A novel energy-saving electric hole positioning clamp according to claim 1, characterized in that: The position where the right-angle connecting rod (204) is rotatably connected to the clamp housing (1) and the position where the linkage connecting rod (205) is rotatably connected to the clamp housing (1) are perpendicular to each other, and the vertical spacing between the two is the same as the spacing between the two when they are rotatably connected at the fixing hook (203).

3. A novel energy-saving electric hole positioning clamp according to claim 1, characterized in that: A fixing groove is formed at the upper end of the fixing hook (203), and the inner side of the fixing groove matches the upper end of the supporting block (201).

4. A novel energy-saving electric hole positioning clamp according to claim 1, characterized in that: The right-angle connecting rod (204) is in a bent shape as a whole, and the bend is located inside the clamp housing (1) for rotational connection.

5. A novel energy-saving electric hole positioning clamp according to claim 1, characterized in that: The driving mechanism (3) comprises a mounting flange seat (301), a driving motor (302), a controller (303), a screw (304), a screw nut (305) and a driving rod (306); the mounting flange seat (301) is fixedly connected to the lower part of the clamp housing (1); the upper end of the driving motor (302) is fixedly connected to the inside of the mounting flange seat (301); the lower end of the screw (304) is fixedly connected to the output end of the driving motor (302); the controller (303) is fixedly connected to one side of the driving motor (302); the inner side of the screw nut (305) is threadedly connected to the outer edge of the screw (304); the inner side of the driving rod (306) is fixedly connected to the outer edge of the screw nut (305); and the inner side of one side of the driving rod (306) is rotatably connected to the other end of the follower connecting rod (206).

6. A novel energy-saving electric hole positioning clamp according to claim 5, characterized in that: The entire material of the screw rod (304) is set to alloy steel.

7. A novel energy-saving electric hole positioning clamp according to claim 5, characterized in that: The controller (303) is connected to the mains, and a PLC module is integrated inside the controller (303).

8. A novel energy-saving electric hole positioning clamp according to claim 5, characterized in that: Rotation pins (3061) are provided on both sides of the driving rod (306), and a needle bearing (3062) is fixedly connected to the outer edge of the rotation pin (3061).

9. A novel energy-saving electric hole positioning clamp according to claim 8, characterized in that: A guide groove matching the needle roller bearing (3062) is vertically opened inside the clamp housing (1), and the inner side of the guide groove contacts the outer edge of the needle roller bearing (3062).

10. A novel energy-saving electric hole positioning clamp according to claim 1, characterized in that: The monitoring device (4) comprises a position rod (401), a clamping position sensor (402) and an opening position sensor (403); the position rod (401) is fixedly connected to the other side of the driving rod (306); the clamping position sensor (402) is fixedly connected to the upper end inside the clamp housing (1); the opening position sensor (403) is fixedly connected to the lower end inside the clamp housing (1); the clamping position sensor (402) and the opening position sensor (403) are arranged vertically and cooperate with the position rod (401).

11. A novel energy-saving electric hole positioning clamp according to claim 10, characterized in that: The clamping position sensor (402) and the opening position sensor (403) are electrically connected to the controller (303).

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