Precise-positioning plug rod assembling jig

Abstract

The utility model discloses a plug rod assembling jig with accurate positioning, which comprises a positioning component, and the positioning component comprises a base frame, a base, a first connecting block, a first screw hole and a clamping block. The positioning column is matched with the positioning hole in the bottom of the plug rod body, the positioning groove is attached to the plug rod body, the clamping block is used for clamping and fixing, the first fine adjustment motor and the second fine adjustment motor are used for driving the first screw rod and the second screw rod respectively, the front-back position and the left-right position of the fixed plug rod are accurately adjusted, and the plug rod can be accurately aligned with a hole of a matched part; the high-precision assembly requirement is met; a touch screen on the controller is convenient for an operator to intuitively set rotation parameters of the fine adjustment motor, so that accurate control is realized, the operation convenience and the assembly efficiency are improved, and the influence of manual operation difference and fatigue on the assembly quality is reduced; the limiting base is convenient to replace by disassembling the screw on the positioning base, the matched limiting base can be selected according to the size of the plug rod body, the universality of the jig is improved, and the production cost of an enterprise is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plug rod assembly, specifically to a plug rod assembly jig with accurate positioning. BACKGROUND

[0002] Plug rod assembly is a crucial link in many industrial fields such as mechanical manufacturing, chemical equipment, and automobile parts production. As a key component in various mechanical equipment, the assembly quality of the plug rod directly affects the performance, reliability, and service life of the equipment. For example, in a hydraulic system, the precise fit of the plug rod and the hydraulic cylinder ensures stable pressure transmission and smooth power output of the system; in a chemical reaction kettle, the plug rod controls the entry and exit of materials and the maintenance of reaction conditions. During the plug rod assembly process, the plug rod needs to be accurately installed into the corresponding equipment cavity or component to ensure accurate positioning, good sealing, and normal operation. This process not only requires high manufacturing precision of the plug rod itself, but also relies on efficient and accurate assembly jigs.

[0003] Existing jigs mostly rely on manual adjustment of the plug rod position, which is tedious and time-consuming, making it difficult to achieve fast and accurate assembly. During manual adjustment, fatigue and operational differences can lead to unstable assembly quality. In a large-scale production environment, this inefficient and unstable assembly method has become a bottleneck restricting the improvement of production efficiency. In addition, existing jigs have poor versatility, and different specifications and sizes of plug rods require different assembly jigs. Frequent replacement of jigs not only increases production costs but also reduces production efficiency. Therefore, a plug rod assembly jig with accurate positioning is proposed. SUMMARY

[0004] The utility model aims at providing a plug rod assembly jig with accurate positioning to solve one of the problems mentioned in the background.

[0005] The utility model is implemented by the following technical solutions: a plug rod assembly jig with accurate positioning, comprising a positioning assembly, the positioning assembly including a base frame, a base, a first connecting block, a first screw hole, a first screw rod, a limiting groove, a positioning seat, a second connecting block, a second screw hole, a second screw rod, a mounting bracket, a synchronous electric cylinder, and a clamping block.

[0006] The inner side wall upper part of the base frame is slidably connected with a base, a first connecting block is welded at the center of the lower surface of the base, a first screw hole is formed at the center of the front surface of the first connecting block, a first screw rod penetrates through the middle part of the front surface of the base, the outer side wall of the first screw rod is threadedly connected to the inner side wall of the first screw hole, a limiting groove is formed on the upper surface of the base, a positioning seat is slidably connected to the inner side wall upper part of the limiting groove, a second connecting block is welded at the center of the lower surface of the positioning seat, a second screw hole is formed at the center of one side of the second connecting block, a second screw rod penetrates through the middle part of one side of the base, the outer side wall of the second screw rod is threadedly connected to the inner side wall of the second screw hole, a synchronous electric cylinder is fixedly connected to the upper surface of the positioning seat through a mounting support at each corner of the positioning seat, and a clamping block is fixedly connected to the output end of the synchronous electric cylinder.

[0007] As a further preferred aspect of the technical solution: a mounting groove is formed at the center of the upper surface of the positioning seat, a limiting seat is fixedly connected to the inner side wall of the mounting groove through a plurality of screws, a positioning groove is formed at the center of the upper surface of the limiting seat, and a plug rod body is connected to the inner side wall of the positioning groove in a fit manner.

[0008] As a further preferred aspect of the technical solution: a first fine adjustment motor is fixedly connected to the outer side of the first screw rod close to the front surface of the base frame, the front surface of the first screw rod is fixedly connected to the output end of the first fine adjustment motor, a second fine adjustment motor is fixedly connected to the outer side of the second screw rod close to one side of the base, and one end of the second screw rod is fixedly connected to the output end of the second fine adjustment motor.

[0009] As a further preferred aspect of the technical solution: an anti-skid pad is fixedly connected to the side of the clamping block away from the synchronous electric cylinder, and the side of the anti-skid pad away from the clamping block is connected to the outer side wall lower part of the plug rod body in a fit manner.

[0010] As a further preferred aspect of the technical solution: a controller is fixedly connected to one side of the front surface of the base frame, and the input ends of the first fine adjustment motor and the second fine adjustment motor are electrically connected to the output end of the controller.

[0011] As a further preferred aspect of the technical solution: a positioning column is fixedly connected to the inner bottom wall center of the positioning groove, a positioning hole is arranged at the center of the bottom of the plug rod body, and the outer side wall of the positioning column is slidably connected to the inner side wall of the positioning hole.

[0012] As a further preferred embodiment of this technical solution: a first sliding groove is provided on the upper part of both sides of the inner sidewall of the base frame, a first slider is fixedly connected to the lower part of both sides of the base, the outer sidewall of the first slider is slidably connected to the inner sidewall of the first sliding groove, a second sliding groove is provided on the upper part of the inner front wall and inner rear wall of the limiting groove, and a second slider is fixedly connected to the middle of the front surface and rear surface of the positioning seat, the outer sidewall of the second slider is slidably connected to the inner sidewall of the second sliding groove.

[0013] As a further preferred embodiment of this technical solution: anti-slip blocks are fixedly connected to the four corners of the lower surface of the base frame, and a touch screen is provided on the upper surface of the controller.

[0014] Advantages of this utility model:

[0015] 1. This utility model uses a positioning post that matches the positioning hole at the bottom of the plug rod body, a positioning groove that fits the plug rod body, a clamping block for clamping and fixing, and a first fine-tuning motor and a second fine-tuning motor that drive the first screw and the second screw respectively to precisely adjust the front-back and left-right positions of the plug rod, so that the plug rod can be accurately aligned with the hole of the mating component, thus meeting the requirements of high-precision assembly.

[0016] 2. The touch screen on the controller of this utility model allows operators to intuitively set the rotation parameters of the fine-tuning motor, view the working status feedback of the fine-tuning motor in real time, achieve precise control, improve the convenience of operation and assembly efficiency, and reduce the impact of manual operation differences and fatigue on assembly quality.

[0017] 3. This utility model facilitates the replacement of the limiting seat by removing the screws on the positioning seat, and allows for the selection of a suitable limiting seat according to the size of the plug rod body, thereby improving the versatility of the fixture and reducing the production cost of enterprises. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of this utility model from one perspective;

[0020] Figure 2 This is a schematic diagram of the structure of this utility model from another perspective;

[0021] Figure 3 This is a schematic diagram of the base and positioning seat structure of this utility model;

[0022] Figure 4The utility model discloses a positioning seat and plug rod body structure schematic view.

[0023] In the drawing: 1, positioning assembly;11, base frame;12, base;13, first connecting block;14, first screw hole;15, first screw;16, limiting recess;17, positioning seat;18, second connecting block;19, second screw hole;20, second screw;21, mounting bracket;22, synchronous electric cylinder;23, clamping block;24, mounting recess;25, screw;26, limiting seat;27, positioning recess;28, plug rod body;29, first fine adjustment motor;30, second fine adjustment motor;31, non-slip pad;32, controller;33, positioning column;34, positioning hole;35, first sliding slot;36, first sliding block;37, second sliding slot;38, second sliding block;39, non-slip block;40, touch screen. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative work belong to the range of protection of the utility model.

[0025] EMBODIMENT

[0026] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a plug rod assembly jig of accurate positioning, including positioning assembly 1, positioning assembly 1 includes base frame 11, base 12, first connecting block 13, first screw hole 14, first screw 15, limiting recess 16, positioning seat 17, second connecting block 18, second screw hole 19, second screw 20, mounting bracket 21, synchronous electric cylinder 22 and clamping block 23;

[0027] The inner side wall upper portion of the base frame 11 is slidably connected with a base 12, the lower surface center of the base 12 is welded with a first connecting block 13, the front surface center of the first connecting block 13 is provided with a first screw hole 14, the front surface middle portion of the base frame 11 penetrates a first screw rod 15, the outer side wall of the first screw rod 15 is threadedly connected to the inner side wall of the first screw hole 14, the upper surface of the base 12 is provided with a limiting groove 16, the inner side wall upper portion of the limiting groove 16 is slidably connected with a positioning seat 17, the lower surface center of the positioning seat 17 is welded with a second connecting block 18, the side center of the second connecting block 18 is provided with a second screw hole 19, the side middle portion of the base 12 penetrates a second screw rod 20, the outer side wall of the second screw rod 20 is threadedly connected to the inner side wall of the second screw hole 19, the upper surface of the positioning seat 17 is fixedly connected with a synchronous electric cylinder 22 through a mounting support 21 at four corners, and the output end of the synchronous electric cylinder 22 is fixedly connected with a clamping block 23; when the first screw rod 15 rotates, since it is threadedly connected with the first screw hole 14 on the first connecting block 13 and the base 12 is slidably connected with the first sliding groove 35 of the inner side wall of the base frame 11 through the first sliding block 36, the rotation of the first screw rod 15 drives the first connecting block 13 to move forward and backward along the axial direction of the screw rod, thereby driving the base 12 and the positioning seat 17 mounted thereon to displace in the front and back directions; similarly, when the second screw rod 20 rotates, based on the threaded connection relationship between the second screw rod 20 and the second screw hole 19 on the second connecting block 18 and the sliding connection of the positioning seat 17 with the second sliding groove 37 in the limiting groove 16 through the second sliding block 38, the rotation of the second screw rod 20 drives the second connecting block 18 to move left and right, thereby enabling the positioning seat 17 to displace in the left and right directions.

[0028] The synchronous electric cylinder 22 is an electric actuator capable of realizing precise synchronous movement, which converts electric energy into mechanical energy through a built-in servo motor and a transmission mechanism to drive the output end to move linearly. In the assembly jig, the synchronous electric cylinders 22 at four corners of the upper surface of the positioning seat 17 work cooperatively, the output end of which drives the clamping block 23 to move towards the plug rod body 28, thereby realizing stable and synchronous clamping operation of the plug rod body 28. This synchronous clamping mode ensures that the plug rod body 28 is uniformly stressed during clamping and is not deformed or displaced due to uneven stress, thereby providing a reliable basis for subsequent precise assembly.

[0029] In the embodiment, specifically, the upper surface center of the positioning seat 17 is provided with a mounting groove 24, the inner side wall of the mounting groove 24 is fixedly connected with a limiting seat 26 through a plurality of screws 25, the upper surface center of the limiting seat 26 is provided with a positioning groove 27, and the inner side wall of the positioning groove 27 is connected with the plug rod body 28 in a fit manner; the limiting seat 26 with the positioning groove 27 of different sizes can be replaced by disassembling the screws 25, thereby facilitating replacement of the limiting seat 26 adapted to the size of the plug rod body 28.

[0030] Specifically, the front surface of the base frame 11 is fixedly connected with the first fine adjustment motor 29 near the outer side of the first screw rod 15, the front surface of the first screw rod 15 is fixedly connected with the output end of the first fine adjustment motor 29, one side of the base 12 is fixedly connected with the second fine adjustment motor 30 near the outer side of the second screw rod 20, and one end of the second screw rod 20 is fixedly connected with the output end of the second fine adjustment motor 30.

[0031] Specifically, the side of the clamping block 23 away from the synchronous electric cylinder 22 is fixedly connected with the anti-skid pad 31, and the side of the anti-skid pad 31 away from the clamping block 23 is attached to the lower part of the outer side wall of the plug rod body 28.

[0032] The anti-skid pad 31 is usually made of rubber material with a thickness of 3mm and a hardness of Shore A60. The anti-skid pad 31 has certain elasticity and softness, which can play a buffering role to avoid hard extrusion and friction of the clamping block 23 on the plug rod surface. In the assembly of small plug rods of electronic equipment, slight damage to the plug rod surface may affect its electrical performance. The anti-skid pad 31 can effectively protect the integrity of the plug rod surface and ensure the normal use of the plug rod. In addition, the anti-skid pad 31 ensures that the plug rod body 28 will not move randomly, and the plug rod can be more accurately aligned with the hole on the matching component, reducing the positioning deviation caused by the shaking or sliding of the plug rod, thereby greatly improving the assembly precision.

[0033] Specifically, the front surface of the base frame 11 is fixedly connected with the controller 32, and the input ends of the first fine adjustment motor 29 and the second fine adjustment motor 30 are electrically connected to the output end of the controller 32. Through electrical connection, the controller 32 can accurately send control instructions to the first fine adjustment motor 29 and the second fine adjustment motor 30. In the assembly scene with extremely high precision requirements, the controller 32 can realize accurate control of the motor, so that the positioning accuracy of the plug rod body 28 reaches or exceeds the industry standard, effectively avoiding assembly defects caused by inaccurate positioning. In addition, the controller 32 can not only send instructions to the fine adjustment motor, but also can obtain the working state information of the motor in real time.

[0034] Specifically, the inner bottom wall center of the positioning groove 27 is fixedly connected with the positioning column 33, and the bottom center of the plug rod body 28 is provided with the positioning hole 34, and the outer side wall of the positioning column 33 is slidingly connected to the inner side wall of the positioning hole 34. Through the cooperation of the positioning column 33 and the positioning hole 34 at the bottom of the plug rod body 28, the plug rod body 28 is positioned.

[0035] In this embodiment, specifically: the inner side wall of the base frame 11 is provided with a first sliding groove 35 on both sides of the upper part, and the bottom plate 12 is fixedly connected with a first sliding block 36 on both sides of the lower part, the outer side wall of the first sliding block 36 is slidingly connected to the inner side wall of the first sliding groove 35, and the inner front wall and the inner rear wall of the limiting groove 16 are provided with a second sliding groove 37 on the upper part, and the front surface and the rear surface of the positioning seat 17 are fixedly connected with a second sliding block 38 in the middle part, and the outer side wall of the second sliding block 38 is slidingly connected to the inner side wall of the second sliding groove 37; by sliding the first sliding block 36 on the bottom plate 12 in the first sliding groove 35, the first sliding block 36 is limited, thereby increasing the stability of the movement of the bottom plate 12, and by sliding the second sliding block 38 on the positioning seat 17 in the second sliding groove 37, the second sliding block 38 is limited, thereby increasing the stability of the movement of the positioning seat 17.

[0036] In this embodiment, specifically: the lower surface of the base frame 11 is fixedly connected with an anti-skid block 39 at the four corners, and the upper surface of the controller 32 is provided with a touch screen 40.

[0037] Wherein, the anti-skid block 39 is generally made of rubber or other materials with high friction, which increases the friction between the base frame 11 and the workbench. When the jig is working, the anti-skid block 39 can effectively prevent the base frame 11 from sliding on the workbench, ensuring that the positioning seat 17, the plug rod body 28 and other components are always in a stable position during adjustment and assembly, thereby ensuring that the assembly precision is not affected; the operator can directly set the rotation parameters of the first fine adjustment motor 29 and the second fine adjustment motor 30 through the touch screen 40, such as setting the motor speed, rotation direction and fine adjustment step length, etc. When adjusting the plug rod position, the operator can clearly see the motor working state feedback on the touch screen 40, such as whether the motor is running, the angle of rotation, etc.

[0038] The working principle or structural principle is that when in use, the base frame 11 is stably placed on the workbench through the anti-skid blocks 39 at the four corners of the lower surface to ensure that the jig will not be displaced during use, and initialization setting is performed through the touch screen 40 on the controller 32, such as setting the rotation parameters of the fine adjustment motor; the plug rod body 28 is placed into the positioning groove 27 in the limiting seat 26 at the center of the upper surface of the positioning seat 17, so that the positioning hole 34 at the bottom center of the plug rod body 28 is matched with the positioning column 33 at the center of the inner bottom wall of the positioning groove 27, and the plug rod body 28 is preliminarily positioned, at this time, the inner side wall of the positioning groove 27 is attached to the plug rod body 28, and plays a certain limiting role; the synchronous electric cylinder 22 at the four corners of the upper surface of the positioning seat 17 is started, the output end of the synchronous electric cylinder 22 pushes the clamping block 23 to move towards the plug rod body 28, the anti-skid pad 31 on the clamping block 23 contacts and is attached to the outer side wall of the lower part of the plug rod body 28, and as the synchronous electric cylinder 22 continues to push, the anti-skid pad 31 increases the friction force, firmly clamps the plug rod body 28, and prevents the plug rod from shaking or displacing in the subsequent adjustment and assembly process; the deviation of the plug rod body 28 and the target assembly position in the horizontal direction (front and back, left and right) is observed, and the rotation of the first fine adjustment motor 29 and the second fine adjustment motor 30 is accurately controlled through the controller 32, when it is necessary to adjust the position of the plug rod in the front and back direction, the first fine adjustment motor 29 is started, and drives the first screw rod 15 to rotate, since the first screw rod 15 is threadedly connected with the first screw hole 14 on the first connecting block 13, and the base 12 is slidingly connected with the first sliding groove 35 in the inner side wall of the base frame 11 through the first sliding block 36, the rotation of the first screw rod 15 will cause the base 12 to accurately displace in the front and back direction along the inner side wall of the base frame 11, and then drive the positioning seat 17 and the clamped plug rod body 28 to be finely adjusted in the front and back direction; similarly, when it is necessary to adjust the position of the plug rod in the left and right direction, the second fine adjustment motor 30 is started, and drives the second screw rod 20 to rotate, the second screw rod 20 is threadedly connected with the second screw hole 19 on the second connecting block 18, the positioning seat 17 is slidingly connected with the second sliding groove 37 in the limiting groove 16 through the second sliding block 38, so that the positioning seat 17 moves left and right in the limiting groove 16, and the accurate fine adjustment of the plug rod body 28 in the left and right direction is realized, the operator can fine adjust the first fine adjustment motor 29 and the second fine adjustment motor 30 according to the actual deviation, until the plug rod body 28 is accurately aligned with the hole on the mating component to be assembled; during the assembly process, the position of the plug rod is always paid attention to, if the position of the plug rod changes slightly due to assembly operation, the first fine adjustment motor 29 and the second fine adjustment motor 30 can be fine adjusted again through the controller 32, to ensure the accuracy and quality of assembly;

[0039] The positioning accurate plug rod assembly fixture is equipped with a perfect safety guarantee system. The first fine adjustment motor 29 and the second fine adjustment motor 30 are both provided with overload protection devices (not shown in the figure), when the output current of the motor exceeds the set safety threshold, the overload protection device will automatically cut off the power supply, avoiding damage to the motor and other components due to overload. The synchronous electric cylinder 22 is also equipped with a fault detection and protection device, which will automatically stop working and send an alarm signal when abnormal displacement, pressure anomaly and other faults occur in the electric cylinder. In addition, protective fences are arranged around the operation area of the fixture to prevent operators from accidentally contacting dangerous areas during equipment operation. At the same time, the device is also provided with a fault alarm system, which will send an audible and visual alarm signal and display fault information on the display screen of the controller when the controller 32, fine adjustment motor, synchronous electric cylinder and other key components fail, prompting the operator to check and handle in time. In addition, the device also has data recording and storage function, which can record the parameters and process information of each assembly, facilitating quality traceability and equipment maintenance in later period;

[0040] To ensure the normal operation and assembly precision of the positioning accurate plug rod assembly fixture, regular maintenance and maintenance of each component are required. The first fine adjustment motor 29 and the second fine adjustment motor 30 should be lubricated every 3 months, using special lubricant to lubricate the transmission parts of the motor to reduce friction and wear. The synchronous electric cylinder 22 should check the oil level and quality of the hydraulic oil every 6 months, and add or replace the hydraulic oil if necessary, and check the sealing performance of the electric cylinder to ensure that it will not leak during work. The software system of the controller 32 should be updated and maintained regularly, and software vulnerabilities should be repaired in time, and the control algorithm should be optimized to improve the stability and control accuracy of the system. In addition, it should also be checked regularly whether the connection of each component is loose, whether the screws are tightened, and whether the cooperation of the sliding groove and the sliding block is smooth, and problems should be handled in time.

[0041] The above only describes the preferred embodiments of the present application and does not limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A positioning-accurate plug rod assembly jig, characterized by, The utility model provides a positioning assembly (1) including base frame (11), pedestal (12), first connecting block (13), first screw hole (14), first screw rod (15), limiting groove (16), positioning seat (17), second connecting block (18), second screw hole (19), second screw rod (20), mounting bracket (21), synchronous electric cylinder (22) and clamping block (23), The inner side wall upper portion of the base frame (11) is slidably connected with the pedestal (12), the lower surface center of the pedestal (12) is welded with the first connecting block (13), the front surface center of the first connecting block (13) is provided with the first screw hole (14), the front surface middle portion of the base frame (11) penetrates the first screw rod (15), the outer side wall of the first screw rod (15) is threadedly connected with the inner side wall of the first screw hole (14), the upper surface of the pedestal (12) is provided with the limiting groove (16), the inner side wall upper portion of the limiting groove (16) is slidably connected with the positioning seat (17), the lower surface center of the positioning seat (17) is welded with the second connecting block (18), the side center of the second connecting block (18) is provided with the second screw hole (19), one side middle portion of the pedestal (12) penetrates the second screw rod (20), the outer side wall of the second screw rod (20) is threadedly connected with the inner side wall of the second screw hole (19), the upper surface of the positioning seat (17) is fixedly connected with the synchronous electric cylinder (22) through the mounting bracket (21) at the four corners, and the output end of the synchronous electric cylinder (22) is fixedly connected with the clamping block (23).

2. The precision positioning plug rod assembly fixture of claim 1, wherein, The upper surface center of the positioning seat (17) is provided with the mounting groove (24), the inner side wall of the mounting groove (24) is fixedly connected with the limiting seat (26) through a plurality of screws (25), the upper surface center of the limiting seat (26) is provided with the positioning recess (27), and the inner side wall of the positioning recess (27) is connected with the plug rod body (28) in a matched mode.

3. The precision positioning plug rod assembly fixture of claim 1, wherein, The front surface of the base frame (11) is fixedly connected with the first fine adjustment motor (29) close to the outer side of the first screw rod (15), the front surface of the first screw rod (15) is fixedly connected with the output end of the first fine adjustment motor (29), one side of the pedestal (12) is fixedly connected with the second fine adjustment motor (30) close to the outer side of the second screw rod (20), and one end of the second screw rod (20) is fixedly connected with the output end of the second fine adjustment motor (30).

4. The precision positioning plug rod assembly fixture of claim 2, wherein, The side, away from the synchronous electric cylinder (22), of the clamping block (23) is fixedly connected with the antiskid pad (31), and the side, away from the clamping block (23), of the antiskid pad (31) is connected with the outer side wall lower portion of the plug rod body (28) in a matched mode.

5. The precision positioning plug rod assembly fixture of claim 3, wherein, The front surface side of the base frame (11) is fixedly connected with the controller (32), and the input ends of the first fine adjustment motor (29) and the second fine adjustment motor (30) are electrically connected with the output end of the controller (32).

6. The precision positioning plug rod assembly fixture of claim 2, wherein, The inner bottom wall center of the positioning groove (27) is fixedly connected with a positioning column (33), the bottom center of the plug rod body (28) is provided with a positioning hole (34), and the outer side wall of the positioning column (33) is slidably connected to the inner side wall of the positioning hole (34).

7. The precision positioning collet assembly fixture of claim 1, wherein, The upper part of the inner side wall of the base frame (11) is provided with a first sliding groove (35), the lower part of the two sides of the base (12) is fixedly connected with a first sliding block (36), the outer side wall of the first sliding block (36) is slidably connected to the inner side wall of the first sliding groove (35), the upper part of the inner front wall and the inner rear wall of the limiting groove (16) is provided with a second sliding groove (37), the middle part of the front surface and the rear surface of the positioning seat (17) is fixedly connected with a second sliding block (38), and the outer side wall of the second sliding block (38) is slidably connected to the inner side wall of the second sliding groove (37).

8. The precision positioning plug rod assembly fixture of claim 5, wherein, The lower surface of the base frame (11) is fixedly connected with anti-skid blocks (39), and the upper surface of the controller (32) is provided with a touch screen (40).

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