CN214418826U

CN214418826U - Get material and press from both sides finger subassembly and use electronic clamping jaw of this subassembly

Info

Publication number: CN214418826U
Application number: CN202120055882.7U
Authority: CN
Inventors: 梁启明
Original assignee: Xd Precision Machinery Dongguan Co ltd
Current assignee: Xd Precision Machinery Dongguan Co ltd
Priority date: 2021-01-10
Filing date: 2021-01-10
Publication date: 2021-10-19
Anticipated expiration: 2031-01-10

Abstract

The utility model relates to a get material and press from both sides and indicate subassembly and use electronic clamping jaw of this subassembly, get material and press from both sides and indicate the subassembly includes that two relative getting of setting are pressed from both sides and indicate, two get material and press from both sides the relative one side of indicating the head and all make and get material and press from both sides and indicate the groove, it gets material and press from both sides the breach to all make on the cell wall of both sides about the material presss from both sides indicates the groove. The electric clamping jaw comprises a clamping jaw electric cylinder and clamping jaw piston rods positioned on two sides of the clamping jaw electric cylinder, and the material taking clamping fingers are installed on the clamping jaw piston rods. Compared with the prior art, the utility model drives the material taking clamping fingers to move from two sides to the middle to clamp materials through the electric clamping jaws, the structure of the material taking clamping fingers is suitable for clamping various materials needed in the sample processing process, such as a blood sampling tube, a reagent tube, a measuring cup and the like, and the material conveying requirement in the sample processing process is met; still be equipped with gag lever post and spacing hole of mutually supporting in the electronic clamping jaw, prevent to get the material and press from both sides that the clamp indicates to remove excessively, press from both sides bad material for it is safer to press from both sides the clamp.

Description

Get material and press from both sides finger subassembly and use electronic clamping jaw of this subassembly

Technical Field

The utility model relates to a get material and press from both sides and indicate subassembly and use electronic clamping jaw of this subassembly belongs to electronic clamping jaw technical field.

Background

The basic steps of blood test are: 1. collecting a specimen, and extracting venous blood of a patient by a clinical nurse; 2. conveying the specimen, and immediately conveying the specimen to a clinical laboratory after blood sampling; 3. receiving and processing a specimen, and adding a reagent required by the test into the specimen by a clinical laboratory; 4. and (5) testing and preserving the specimen on a machine. When wherein the sample was handled, the clinical laboratory needs add reagent according to every patient's blood test demand, and this process needs transport the material that will use between each check out test set, adopts the manual work to transport usually among the prior art, but most material size all is smaller, and manual work transports directly to go to press from both sides with the hand and get more difficulty, appears the material easily in transporting the process and drops and the phenomenon of damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the shortcoming of prior art, for the automatic mechanism that transports of material provides the electronic clamping jaw that gets material finger subassembly and use this subassembly of automatic clamp and get the material.

For realizing the purpose the utility model adopts the technical proposal that:

the material taking clamping finger assembly comprises two material taking clamping fingers which are oppositely arranged, wherein material taking clamping finger grooves are formed in one sides, opposite to the head portions, of the two material taking clamping fingers, and material taking clamping notches are formed in the groove walls of the upper side and the lower side of each material taking clamping finger groove.

The electric clamping jaw using the material taking clamping finger assembly in the technical scheme comprises a clamping jaw electric cylinder and clamping jaw piston rods positioned on two sides of the clamping jaw electric cylinder, wherein the material taking clamping finger is arranged on the clamping jaw piston rods.

As a further optimization of the above technical solution: the clamping jaw electric cylinder is characterized in that an end face of the clamping jaw electric cylinder is provided with an inwards-concave clamping jaw sliding groove, the groove walls on two sides of the clamping jaw sliding groove are provided with convex sliding guide strips, the bottom of a clamping jaw piston rod is provided with sliding guide pins, one side face of each sliding guide pin is provided with a sliding guide groove, the sliding guide pins of the clamping jaw piston rod are located in the clamping jaw sliding grooves, and the sliding guide strips are located in the sliding guide grooves.

As a further optimization of the above technical solution: the middle of the guide sliding strip is provided with a limiting rod, the bottom of the guide sliding groove is provided with a limiting hole, and the limiting rod penetrates through the limiting hole.

Compared with the prior art, the utility model drives the material taking clamping fingers to move from two sides to the middle to clamp materials through the electric clamping jaws, the structure of the material taking clamping fingers is suitable for clamping various materials needed in the sample processing process, such as a blood sampling tube, a reagent tube, a measuring cup and the like, and the material conveying requirement in the sample processing process is met; still be equipped with gag lever post and spacing hole of mutually supporting in the electronic clamping jaw, prevent to get the material and press from both sides that the clamp indicates to remove excessively, press from both sides bad material for it is safer to press from both sides the clamp.

Drawings

Fig. 1 is a schematic perspective view of a blood testing machine according to the present invention.

Fig. 2 is a schematic perspective view of the front frame and devices on the front frame in the blood testing machine of the present invention.

Fig. 3 is a schematic view of the three-dimensional structure of the material taking device in the blood testing machine of the present invention.

Fig. 4 is a partial structural view at a in fig. 3.

Fig. 5 is a schematic perspective view of the electric cylinder with middle clamping jaws of the present invention.

Fig. 6 is a schematic perspective view of the piston rod of the middle clamping jaw of the present invention.

Fig. 7 is a schematic view of the three-dimensional structure of the material taking device in the blood testing machine at another angle.

Fig. 8 is a schematic structural view of the upper and lower material taking mechanisms of the blood testing machine of the present invention.

Fig. 9 is a schematic view of the internal structure of fig. 8.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description. As shown in fig. 1-9, the blood testing machine of the present invention comprises a feeding device 1, a material taking device 2, a batching device 3 and a material moving device 4 and a testing device 5 on a rear frame 8, which are sequentially arranged from front to back on a front frame 6. After the blood sample is collected, heparin tube and other materials are put into in the loading attachment 1, after the loading attachment 1 material loading, 2 clamps of extracting device are got heparin tube and other materials on the loading attachment 1 move to set for the position in the dosing unit 3, blood in the heparin tube warp dosing unit 3 sample and add the sample that the test needs and form the sample that awaits measuring, move material device 4 with the sample that awaits measuring and move to carry out the blood test in the verifying attachment 5.

In the above technical scheme: the material taking device 2 is responsible for transferring materials between the material feeding device 1 and the material proportioning device 3. As shown in fig. 2 and 3, the material taking device 2 includes a material taking top plate 26, and a transverse material taking mechanism 21, a longitudinal material taking mechanism 22, an upper material taking mechanism 23, a lower material taking mechanism 23 and a material taking rotating mechanism 24 are sequentially arranged at the bottom of the material taking top plate 26 from top to bottom. Upright posts 25 are fixed on two sides of the bottom of the material taking top plate 26, and the upright posts 25 are fixed on the front frame 6.

In the above technical scheme: as shown in fig. 3 and 7, the transverse material taking mechanism 21 includes a transverse material taking guide block 211 fixed below the material taking top plate 26, a transverse material taking transmission block 214 is installed on the transverse material taking guide block 211, a transverse material taking motor 213 is installed on the transverse material taking transmission block 214, and the transverse material taking motor 213 is arranged in parallel with the transverse material taking guide block 211. The bottom of the transverse material taking guide block 211 is provided with a transverse material taking slider 212, and the transverse material taking slider 212 can move along the transverse material taking guide block 211. A first screw rod is arranged in the transverse material taking guide block 211, and the screw rod has the function of converting rotary motion into linear motion. The first screw rod comprises a first screw rod and a first nut in threaded fit with the first screw rod. A first transmission shaft and a second transmission shaft are arranged in the transverse material taking transmission block 214, the first transmission shaft is fixed with a rotating shaft in the transverse material taking motor 213, the second transmission shaft is fixed with a first screw rod in the transverse material taking guide block 211, and a first belt is sleeved between the first transmission shaft and the second transmission shaft. A transverse material taking induction rod is fixed on the transverse material taking sliding block 212, a transverse material taking sliding hole is formed in the transverse material taking guide block 211, and the transverse material taking induction rod penetrates through the transverse material taking sliding hole and is connected with the first nut. Transversely get and install first spacing sensor, first initial point sensor and the spacing sensor of second that is used for responding to the horizontal line and gets the material response pole on the guide block 211, first spacing sensor, the spacing sensor of second are fixed respectively and are got the both ends of a side of guide block 211 transversely, and first initial point sensor is located between first spacing sensor and the spacing sensor of second. The transverse material taking motor 213 is started, a rotating shaft of the transverse material taking motor 213 drives the first screw to rotate through the first transmission shaft, the first belt and the second transmission shaft, the first screw drives the first nut to move along the axial direction of the first screw, and the first nut drives the transverse material taking slider 212 and the transverse material taking induction rod to move along the transverse material taking guide block 211. The transverse material taking motor 213 drives the transverse material taking induction rod to move to be matched with the first origin sensor, and when the first origin sensor senses the transverse material taking induction rod, the transverse material taking motor 213 is reset to the origin. Then the transverse material taking motor 213 continues to drive the transverse material taking slide block 212 and the transverse material taking induction rod to move; in the above process, when the first limit sensor senses the transverse material taking induction rod, the transverse material taking motor 213 stops moving; when the second limit sensor senses the transverse material taking induction rod, the transverse material taking motor 213 stops moving, so that the first limit sensor and the second limit sensor limit the movement of the transverse material taking sliding block 212.

In the above technical scheme: as shown in fig. 3 and 7, the longitudinal material taking mechanism 22 includes a longitudinal material taking guide block 221 fixed at the bottom of the transverse material taking slider 212 through a longitudinal material taking connecting plate 225, a longitudinal material taking driving block 224 is installed on the longitudinal material taking guide block 221, a longitudinal material taking motor 222 is installed on the longitudinal material taking driving block 224, and the longitudinal material taking motor 222 is arranged in parallel with the longitudinal material taking guide block 221. The bottom of the longitudinal material taking guide block 221 is provided with a longitudinal material taking slide block 223, and the longitudinal material taking slide block 223 can move along the longitudinal material taking guide block 221. A second screw rod is arranged in the longitudinal material taking guide block 221, and the second screw rod comprises a second screw rod and a second nut in threaded fit with the second screw rod. A third transmission shaft and a fourth transmission shaft are arranged in the longitudinal material taking transmission block 224, the third transmission shaft is fixed with a rotating shaft in the longitudinal material taking motor 222, the fourth transmission shaft is fixed with a second screw rod in the longitudinal material taking guide block 221, and a second belt is sleeved between the third transmission shaft and the fourth transmission shaft. A longitudinal material taking induction rod is fixed on the longitudinal material taking sliding block 223, a longitudinal material taking sliding hole is formed in the longitudinal material taking guide block 221, and the longitudinal material taking induction rod penetrates through the longitudinal material taking sliding hole and is connected with a second nut. The vertical material taking guide block 221 is provided with a third limit sensor, a second origin sensor and a fourth limit sensor which are used for sensing a vertical material taking induction rod, the third limit sensor and the fourth limit sensor are respectively fixed at two ends of one side face of the vertical material taking guide block 221, and the second origin sensor is located between the third limit sensor and the fourth limit sensor. The longitudinal material taking motor 222 is started, a rotating shaft of the longitudinal material taking motor 222 drives the second screw to rotate through the third transmission shaft, the second belt and the fourth transmission shaft, the second screw drives the second nut to axially move along the second screw, and the second nut drives the longitudinal material taking sliding block 223 and the longitudinal material taking induction rod to move along the longitudinal material taking guide block 221. The longitudinal material taking motor 222 drives the longitudinal material taking induction rod to move to be matched with the second origin sensor, and when the second origin sensor senses the longitudinal material taking induction rod, the longitudinal material taking motor 222 resets to the origin. Then the longitudinal material taking motor 222 continues to drive the longitudinal material taking slide block 223 and the longitudinal material taking induction rod to move; in the above process, when the third limit sensor senses the longitudinal material taking induction rod, the longitudinal material taking motor 222 stops moving; when the fourth limit sensor senses the longitudinal material taking induction rod, the longitudinal material taking motor 222 stops moving, so that the third limit sensor and the fourth limit sensor limit the movement of the longitudinal material taking sliding block 223.

In the above technical scheme: as shown in fig. 3 and 7, the upper and lower material taking mechanism 23 includes an upper and lower material taking guide block 231 fixed at the bottom of the longitudinal material taking slider 223 through an upper and lower material taking connecting plate 28 shaped like a T, an upper and lower material taking driving block 237 is installed on the upper and lower material taking guide block 231, an upper and lower material taking motor 232 is installed on the upper and lower material taking driving block 237, and the upper and lower material taking motor 232 and the upper and lower material taking guide block 231 are arranged in parallel. The side of getting material guide block 231 from top to bottom is provided with the upper and lower material slider 233 of L type, gets material slider 233 from top to bottom and can follow and get material guide block 231 from top to bottom and remove. A third screw rod is arranged in the upper and lower material taking guide block 231, and the third screw rod comprises a third screw rod and a third nut in threaded fit with the third screw rod. A fifth transmission shaft and a sixth transmission shaft are arranged in the upper and lower material taking transmission block 237, the fifth transmission shaft is fixed with a rotating shaft in the upper and lower material taking motor 232, the sixth transmission shaft is fixed with a third screw rod in the upper and lower material taking guide block 231, and a third belt is sleeved between the fifth transmission shaft and the sixth transmission shaft. An upper material taking induction rod and a lower material taking induction rod are fixed on the transverse position of the L-shaped upper material taking slide block 233 and the upper material taking guide block 231 and the lower material taking guide block 231 are provided with upper material taking sliding holes and lower material taking sliding holes, and the upper material taking induction rod and the lower material taking induction rod penetrate through the upper material taking sliding holes and the lower material taking sliding holes and are connected with a third nut. The upper and lower material taking guide block 231 is provided with a fifth limit sensor 234, a third origin sensor 235 and a sixth limit sensor 236 for sensing an upper and lower material taking sensing rod, the fifth limit sensor 234 and the sixth limit sensor 236 are respectively fixed at two ends of one side surface of the upper and lower material taking guide block 231, and the third origin sensor 235 is positioned between the fifth limit sensor 234 and the sixth limit sensor 236. The upper and lower material taking motor 232 is started, a rotating shaft of the upper and lower material taking motor 232 drives the third screw to rotate through the fifth transmission shaft, the third belt and the sixth transmission shaft, the third screw drives the third nut to axially move along the third screw, and the third nut drives the upper and lower material taking slide block 233 and the upper and lower material taking induction rod to move along the upper and lower material taking guide block 231. The upper and lower material taking motor 232 drives the upper and lower material taking induction rod to move to be matched with the third origin sensor 235, and when the third origin sensor 235 senses the upper and lower material taking induction rod, the upper and lower material taking motor 232 resets to the origin. Then the up-down material taking motor 232 continues to drive the up-down material taking slide block 233 and the up-down material taking induction rod to move; in the above process, when the fifth limiting sensor 234 senses the upper and lower material taking induction rods, the upper and lower material taking motor 232 stops moving; when the sixth limit sensor 236 senses the upper and lower material taking sensing rod, the upper and lower material taking motor 232 stops moving, so that the fifth limit sensor 234 and the sixth limit sensor 236 limit the movement of the upper and lower material taking slider 233.

In the above technical scheme: as shown in fig. 3 and 7, the material taking rotating mechanism 24 includes a material taking rotating transmission block 247 fixed at the bottom of the upper and lower material taking sliding blocks 233 through a rotating connection plate 243, a material taking rotating motor 241 is installed on the material taking rotating transmission block 247, a first gear and a second gear which are meshed with each other are horizontally arranged in the material taking rotating transmission block 247, the first gear is fixed with a rotating shaft of the material taking rotating motor 241, and a material taking rotating induction rod is fixed on the second gear. The bottom of the material taking rotary induction rod penetrates through the material taking rotary transmission block 247 and is fixed with a material taking fixing plate 242, and the bottom of the material taking fixing plate 242 is fixed with an electric clamping jaw 10 which is responsible for taking materials. The material taking rotating motor 241 drives the first gear to rotate, the first gear drives the second gear to rotate, and the second gear drives the electric clamping jaw 10 which is in charge of material taking to rotate through the material taking rotating induction rod.

In the above technical scheme: be provided with analog sensor on being responsible for getting the electronic clamping jaw 10 of material, when getting the material with getting the electronic clamping jaw 10 clamp that material fixed plate 242 links to each other, analog sensor can learn the size of this material through the degree that this electronic clamping jaw 10 pressed from both sides was got, thereby learn to be got which kind of material is got, when analog sensor judges that this electronic clamping jaw 10 pressed from both sides the material that this electronic clamping jaw 10 got and need go to get the material of getting in the program setting, explain that the manual work has placed wrong material on loading attachment 1, the program automatic alarm, inform the manual work and handle.

In the above technical scheme: as shown in fig. 7, a material taking origin sensor 245 is fixed to the back of the material taking rotating motor 241, and a material taking origin sensing piece 246 is correspondingly fixed to the material taking fixing plate 242. In the process that the material taking rotating motor 241 drives the material taking fixing plate 242 and the material taking origin sensing piece 246 to rotate, when the material taking origin sensor 245 senses the material taking origin sensing piece 246, the material taking rotating motor 241 stops moving, the original point is found successfully, and the material taking origin sensing piece 246 is matched with the material taking origin sensor 245 to ensure that the material taking rotating motor 241 can return to the original point after rotating every time.

In the above technical scheme: the electric clamping jaw 10 comprises a clamping jaw electric cylinder 101 and clamping jaw piston rods 102 positioned on two sides of the clamping jaw electric cylinder 101, wherein the clamping jaw electric cylinder 101 is directly purchased from the market, the structure inside the clamping jaw electric cylinder 101 is the prior art, and only some adjustment is made on the shape or the structure of the outer part of the clamping jaw electric cylinder in different use occasions. As shown in fig. 5, an end surface of the electric gripper cylinder 101 is provided with a concave gripper sliding groove 1011, groove walls on both sides of the gripper sliding groove 1011 are provided with convex sliding guide strips 1012, and a spacing rod 1013 is arranged in the middle of the sliding guide strips 1012. As shown in fig. 6, the bottom of the clamping jaw piston rod 102 is formed with a sliding guide leg 1021, a sliding guide slot 1022 is formed on one side surface of the sliding guide leg 1021, and a long-strip-shaped limiting hole 1023 is formed at the bottom of the sliding guide slot 1022. The sliding guide feet 1021 of the two clamping jaw piston rods 102 are both positioned in the clamping jaw sliding grooves 1011, the sliding guide strips 1012 are positioned in the sliding guide grooves 1022, and the limiting rods 1013 penetrate through the limiting holes 1023. The electric clamping jaw cylinder 101 drives the clamping jaw piston rod 102 to move, in the process, the sliding guide strip 1012 is matched with the sliding guide groove 1022 to play a role in sliding guide, and the limiting rod 1013 is matched with the limiting hole 1023 to play a role in limiting.

In the above technical scheme: the gripper piston rods 102 on both sides of the electric gripper 10 are respectively provided with a material taking gripping finger 244, as shown in fig. 4, one side of the two material taking gripping fingers 244 opposite to the head is respectively provided with a material taking gripping finger groove 2441, and the groove walls on the upper and lower sides of the material taking gripping finger groove 2441 are respectively provided with an arc-shaped material taking gripping notch 2442. When the blood sampling tube or the reagent tube needs to be clamped, the reagent tube and the blood sampling tube are clamped by the material taking clamping gap 2442; when the measuring cup needs to be clamped, the lower material taking clamping gap 2442 is responsible for clamping the outer wall of the measuring cup, and the head of the measuring cup is located in the material taking clamping finger groove 2441.

In the above technical scheme: the material taking top plate 26 is further provided with a material taking drag chain box 27, a first drag chain fixing plate 271 is fixed on the material taking top plate 26, a second drag chain fixing plate 272 is fixed on the back of the longitudinal material taking connecting plate 225, and two ends of the material taking drag chain box 27 are respectively connected with the first drag chain fixing plate 271 and the second drag chain fixing plate 272. In fig. 3 and 7, the material taking drag chain box 27 is not connected to the second drag chain fixing plate 272 so that the material taking drag chain box 27 does not block other components. The wires in the take-out device 2 are all located in a take-out drag chain box 27, and the take-out drag chain box 27 is used for protecting and restraining the wires to facilitate movement thereof.

In the above technical scheme: the following connection modes are adopted between the transverse material taking motor 213 and the transverse material taking slide block 212, between the longitudinal material taking motor 222 and the longitudinal material taking slide block 223, and between the upper and lower material taking motor 232 and the upper and lower material taking slide block 233. By way of example, as shown in fig. 8 and 9, the upper and lower material taking motor 232 is provided with an upper and lower material taking driving block 237, the upper and lower material taking driving block 237 is provided with an upper and lower material taking guide block 231, and the upper and lower material taking slider 233 is located at a side edge of the upper and lower material taking guide block 231. A screw rod (i.e., a third screw rod) is arranged in the upper and lower material taking guide block 231, and the screw rod comprises a screw rod 91 (i.e., the screw rod 91 is the third screw rod) and a nut 92 (i.e., the nut 92 is the third nut) in threaded fit with the screw rod 91. A front transmission shaft 93 (the front transmission shaft 93 is a fifth transmission shaft) and a rear transmission shaft 94 (the rear transmission shaft 94 is a sixth transmission shaft) are arranged in the upper and lower material taking transmission block 237, the front transmission shaft 93 is fixed with a rotating shaft in the upper and lower material taking motor 232, the rear transmission shaft 94 is fixed with a screw 91 in the upper and lower material taking guide block 231, and a belt 95 (a belt 95 is a third belt) is sleeved between the front transmission shaft 93 and the rear transmission shaft 94. An induction rod 96 (the induction rod 96 is an upper and lower material taking induction rod) is fixed on the upper and lower material taking slide block 233, a sliding hole (a sliding hole is an upper and lower material taking sliding hole) is formed in the upper and lower material taking guide block 231, and the induction rod 96 penetrates through the sliding hole and is connected with the nut 92. The upper and lower material taking sliders 233 are L-shaped, and the sensing rod 96 is fixed to the transverse portion of the upper and lower material taking sliders 233 as shown in fig. 8 and 9; the transverse material taking slide block 212 and the longitudinal material taking slide block 223 are flat plates.

The working process of the utility model is as follows: the feeding device 1 starts feeding, the transverse material taking mechanism 21, the longitudinal material taking mechanism 22, the upper and lower material taking mechanisms 23 and the material taking rotating mechanism 24 are matched with each other to drive the material taking clamping finger 244 to move to the position near the feeding device 1, the clamping jaw electric cylinder 101 drives the clamping jaw piston rod 102 to move from two sides to the middle, and the material taking clamping finger 244 also moves from two sides to the middle to clamp the material on the feeding device 1; then horizontal extracting mechanism 21, vertical extracting mechanism 22, upper and lower extracting mechanism 23, it mutually supports to get material rotary mechanism 24 and removes the material to the position that dosing unit 3 set for, the heparin tube is also removed the position that dosing unit 3 set for by extracting unit 2, extracting unit 2 is also responsible for driving heparin tube and each material and removes in dosing unit 3, the sample that forms after the blood in the heparin tube is through dosing unit 3 sample and add the reagent that the test needs, move material device 4 and move the sample that awaits measuring to the testing device 5 in and carry out the blood test, accomplish a test procedure.

It is above only the utility model discloses a one of them application, other automatic transport mechanisms need press from both sides the application of getting the material and all can use the utility model discloses a.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, all should fall into the protection scope of the utility model, the technical scheme that the design of this technical field technical personnel according to the utility model can be obtained through logic analysis, reasoning or limited experiment on prior art's basis, all should fall into.

Claims

1. The material taking clamping finger assembly is characterized by comprising two material taking clamping fingers (244) which are arranged oppositely, wherein material taking clamping finger grooves (2441) are formed in the opposite sides of the heads of the two material taking clamping fingers (244), and material taking clamping notches (2442) are formed in the groove walls of the upper side and the lower side of each material taking clamping finger groove (2441).

2. A motorized gripper using the take-out gripper finger assembly of claim 1, comprising a gripper cylinder (101) and gripper piston rods (102) on both sides of the gripper cylinder (101), the take-out gripper fingers (244) being mounted on the gripper piston rods (102).

3. The electric clamping jaw as claimed in claim 2, characterized in that one end face of the clamping jaw electric cylinder (101) is provided with a concave clamping jaw sliding groove (1011), groove walls on two sides of the clamping jaw sliding groove (1011) are provided with convex sliding guide strips (1012), the bottom of the clamping jaw piston rod (102) is provided with sliding guide feet (1021), one side face of each sliding guide foot (1021) is provided with a sliding guide groove (1022), the sliding guide feet (1021) of the two clamping jaw piston rods (102) are both located in the clamping jaw sliding groove (1011), and the sliding guide strips (1012) are located in the sliding guide grooves (1022).

4. A clamping jaw according to claim 3, characterized in that a limiting rod (1013) is provided in the middle of the slide guiding bar (1012), a limiting hole (1023) is formed at the bottom of the slide guiding groove (1022), and the limiting rod (1013) passes through the limiting hole (1023).