CN115194525A

CN115194525A - Machining positioning device

Info

Publication number: CN115194525A
Application number: CN202210968496.6A
Authority: CN
Inventors: 姚圣瑾; 姚恒天; 张鹃; 魏建峰; 张来顺
Original assignee: Xuzhou Beiford Machinery Manufacturing Co ltd
Current assignee: Xuzhou Fukaixin Intelligent Technology Co ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2022-10-18
Anticipated expiration: 2042-08-12
Also published as: CN115194525B

Abstract

The application provides a machining positioning device, which comprises a workbench; the two rod bodies are respectively arranged on the workbench; the fixing components are arranged on the two rod bodies; the fixed component comprises a first moving device, a second moving device, a limiting ring, a first rotating rod, a second rotating rod, a driving component and a plurality of movable clamping devices, wherein the first moving device and the second moving device are respectively arranged on two rod bodies, the limiting ring is connected with the first moving device through the first rotating rod, the limiting ring is connected with the second moving device through the second rotating rod, the movable clamping devices are respectively arranged on the limiting ring, the driving component is arranged on the first moving device, and the driving component is connected with the first rotating rod. From this, can carry out firm centre gripping location to the work piece, improve the work piece yield, adjustment work piece position that simultaneously can be convenient in the course of working improves work piece machining efficiency.

Description

Machining positioning device

Technical Field

The application relates to the technical field of track production detection equipment, in particular to machining positioning equipment.

Background

Machining is a process of changing the external dimensions or properties of a workpiece by a mechanical device, and can be divided into cutting and pressing according to differences in machining modes, and in any machining mode, positioning of a material is very important, and if the positioning of the material is not good, the material may be scrapped during machining.

The clamping effect of the machining positioning equipment used in the related art is poor, looseness is easy to occur in the machining process, the finished product rate of workpieces is affected, meanwhile, the workpieces cannot be conveniently and fast controlled to rotate in the machining process, the workpieces cannot be inclined to a certain angle to be machined, and the machining efficiency is affected.

Disclosure of Invention

The present application is directed to solving, at least in part, one of the technical problems in the art described above.

Therefore, a first objective of this application is to provide a machining positioning device, can carry out firm centre gripping location to the work piece, improves work piece yield, adjustment work piece position that can be convenient simultaneously in the course of working, improvement work piece machining efficiency.

In order to achieve the above object, an embodiment of a first aspect of the present application provides a machining positioning apparatus, including: a work table; the two rod bodies are respectively arranged on the workbench; the fixing components are arranged on the two rod bodies; the fixing assembly includes: the device comprises a first moving device, a second moving device, a limiting ring, a first rotating rod, a second rotating rod, a driving assembly and a plurality of moving clamping devices, wherein the first moving device and the second moving device are respectively arranged on two rod bodies, the limiting ring is connected with the first moving device through the first rotating rod, the limiting ring is connected with the second moving device through the second rotating rod, the moving clamping devices are respectively arranged on the limiting ring, the driving assembly is arranged on the first moving device, and the driving assembly is connected with the first rotating rod; the first mobile device comprises: the electromagnetic switch comprises a first pipe body and a first electromagnet pipe, wherein the first electromagnet pipe is arranged in the first pipe body, and the first pipe body is connected with the rod body in a sliding manner; the driving assembly is used for driving the limiting circular ring to rotate so as to control the limiting circular ring to reach a preset inclination angle; the movable clamping device is used for clamping and fixing the workpiece to be processed and controlling the workpiece to be processed to rotate; the first moving device and the second moving device are used for adjusting the working position of the movable clamping device.

The machining positioning equipment provided by the embodiment of the application can be used for stably clamping and positioning the workpiece, the finished product rate of the workpiece is improved, and meanwhile, the workpiece position can be conveniently adjusted in the machining process, and the machining efficiency of the workpiece is improved.

In addition, the machining positioning device provided according to the above embodiment of the present application may further have the following additional technical features:

in one embodiment of the present application, the moving clamp device includes: second body, second electromagnetism iron pipe, electric telescopic handle and grip block, wherein, the second electromagnetism iron pipe sets up second body inner wall, just the second electromagnetism iron pipe with spacing ring sliding connection, electric telescopic handle sets up on the lateral wall of spacing ring, one side of grip block with electric telescopic handle's output links to each other.

In an embodiment of the application, the machining positioning apparatus further includes: and the antiskid plate is detachably arranged on the other side of the clamping plate.

In an embodiment of the present application, a limiting sliding groove is formed on the limiting ring, and a limiting sliding block is arranged on the inner wall of the second electromagnet pipe, and the limiting sliding block is slidably connected to the limiting sliding groove.

In one embodiment of the present application, the driving assembly includes: drive arrangement, action wheel and follow driving wheel, wherein, seted up the cavity in the first body, drive arrangement sets up in the cavity, just the action wheel sets up on drive arrangement's the drive end, follow the driving wheel setting on the lateral wall of first pivot pole, just the action wheel with pass through teeth of a cogwheel intermeshing from the driving wheel.

In an embodiment of the application, the machining positioning apparatus further includes: the driving end of the driving device is connected with the input end of the reduction gearbox, and the output end of the reduction gearbox forms the driving end of the driving device.

In an embodiment of the present application, a thread groove is formed at one end of the rod body, a screw is disposed at the other end of the rod body, the screw is detachably connected to the workbench through a thread, and the screw is detachably connected to the thread groove through a thread.

In one embodiment of the present application, the fixing component is provided with at least one on the rod body.

In an embodiment of the application, the machining positioning apparatus further includes: the device comprises a mounting seat, a plurality of position sensors, a plurality of positioning plate bodies, a control panel and a voice alarm, wherein the position sensors and the positioning plate bodies are in one-to-one correspondence, the mounting seat is mounted on a workbench, the position sensors are detachably arranged on the mounting seat respectively, the positioning plate bodies are arranged on the first pipe bodies respectively, the control panel is arranged on the workbench, and the voice alarm is arranged on the control panel; the position sensor is used for sensing the position of the corresponding positioning plate body so as to position the position of the fixing component; the controller is used for respectively controlling the mounting seat, the position sensors and the voice alarm.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of a machining fixture according to one embodiment of the present application;

FIG. 2 is a cross-sectional structural schematic view of a machining fixture according to one embodiment of the present application;

FIG. 3 is a cross-sectional structural schematic view of a machining fixture according to another embodiment of the present application;

FIG. 4 is a schematic view of a connection structure of two fixing assemblies according to an embodiment of the present application;

fig. 5 is a partial enlarged view of a portion a according to one embodiment of the present application.

As shown in the figure: 1. workstation, 2, the body of rod, 3, fixed subassembly, 31, first mobile device, 311, first body, 312, first electromagnetism iron pipe, 32, second mobile device, 33, spacing ring, 34, first pivot pole, 35, the second pivot pole, 36, drive assembly, 361, drive arrangement, 362, the action wheel, 363, follow driving wheel, 37, remove clamping device, 371, the second body, 372, the second electromagnetism iron pipe, 373, electric telescopic handle, 374, the grip block, 4, antiskid ribbed tile, 5, spacing spout, 6, spacing slider, 7, the cavity, 8, the reducing gear box, 9, the thread groove, 10, the screw rod, 11, the mount pad, 12, position sensor, 13, the locating plate body, 14, control panel, 15, the pronunciation siren.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.

The machining positioning apparatus of the embodiment of the present application is described below with reference to the drawings.

The machining positioning device provided by the embodiment of the application can be applied to clamping and fixing a workpiece to be machined (such as a square workpiece and a triangular prism workpiece) so as to facilitate a subsequent machining process, and can be placed at a proper working position according to conditions such as the height of related personnel, the machining position of the machining device and the like.

Fig. 1 is a schematic structural diagram of a machining positioning apparatus according to an embodiment of the present application.

As shown in fig. 1, the machining positioning apparatus according to the embodiment of the present application may include: workstation 1, two body of rod 2 and fixed subassembly 3.

Wherein, the two rod bodies 2 are respectively arranged on the workbench 1, and the fixing component 3 is arranged on the two rod bodies 2;

it should be noted that the fixing member 3 in this embodiment can be slidably connected to the two rods 2, respectively, and the best clamping effect can be achieved by adjusting the position of the fixing member 3.

In one embodiment of the present application, as shown in fig. 1-3, the fixing assembly 3 may include: a first moving device 31, a second moving device 32, a limit ring 33, a first rotating rod 34, a second rotating rod 35, a driving assembly 36 and a plurality of moving clamping devices 37.

The first moving device 31 and the second moving device 32 are respectively arranged on the two rod bodies 2, the limiting ring 33 is connected with the first moving device 31 through a first rotating rod 34, the limiting ring 33 is connected with the second moving device 32 through a second rotating rod 35, the plurality of moving clamping devices 37 are respectively arranged on the limiting ring 33, the driving assembly 36 is arranged on the first moving device 31, and the driving assembly 36 is connected with the first rotating rod 34.

The driving assembly 36 is used for driving the limit ring 33 to rotate so as to control the limit ring 33 to reach a preset inclination angle, and the clamping device 37 is used for clamping and fixing a workpiece to be processed (such as a square workpiece, a triangular prism workpiece, and the like) and controlling the workpiece to be processed to rotate.

It should be noted that the first rotating lever 34 is rotatably connected to the first moving device 31, and the second rotating lever 35 is rotatably connected to the second moving device 32 in the embodiment.

For example, the first rotating rod 34 passes through a bearing and the first moving device 31, the first rotating rod 34 can rotate on the bearing, and the second rotating rod 35 passes through a bearing and the second moving device 32, the second rotating rod 35 can rotate on the bearing.

It can be understood that the driving assembly 36 can provide a driving force to drive the first rotating rod 34, and drive the limiting ring 33 to rotate through the first rotating rod 34, so as to adjust the inclination angle of the limiting ring 33, and adjust the inclination angle of the workpiece to be processed to reach a preset inclination angle (which is convenient for the subsequent processing of the workpiece to be processed), and the workpieces to be processed can be fixed inside the limiting ring 33 by the mutual cooperation of the plurality of movable clamping devices 37.

Specifically, the relevant personnel can firstly place the workbench at a proper working position (for example, a desktop conforming to the height of the relevant personnel, a position where a workpiece to be machined is convenient to machine by machining equipment, and the like), and assemble the machining positioning equipment, the two rod bodies 2 are installed on the workbench 1, the first moving device 31 is sleeved on one rod body 2, the second moving device 32 is sleeved on the other rod body 2, and the fixing component 3 is connected with the two rod bodies 2.

When a workpiece to be processed is fixedly positioned, a related person places the workpiece to be processed on the base 1, the workpiece to be processed is located in the limiting ring 33 at this time, the related person adjusts the positions of the plurality of movable clamping devices 37 on the limiting ring 33 according to the height of the workpiece to be processed, the related person can hold the limiting ring 33 by hand, and push the limiting ring 33 to move, so that the first moving device 31 and the second moving device 32 respectively vertically move on the two rod bodies 2, and the related person can move the first moving device 31 and the second moving device 32 to appropriate positions and fix the first moving device and the second moving device on the corresponding rod bodies 2, so as to adjust the plurality of movable clamping devices 37 to appropriate working positions (for example, the middle part of the workpiece to be processed, the firm part of the workpiece to be processed, and the like), and the workpiece to be processed can be fixed through the plurality of movable clamping devices 37, so that the positioning effect is achieved, and the subsequent processing is convenient.

For clarity of the above embodiment, in an embodiment of the present application, as shown in fig. 2 and 5, the first moving device 31 may include: a first tube 311 and a first electromagnet tube 312.

The first electromagnet tube 312 is disposed in the first tube 311, the first tube 311 is slidably connected to the rod 2, and the first moving device 31 and the second moving device 32 are used for adjusting the working position of the movable clamping device 37. It should be noted that the rod 2 is made of iron, so that the rod 2 can be attached to the first electromagnet tube 312 with magnetism, and meanwhile, the inner diameter of the first electromagnet tube 312 is close to the diameter of the rod 2, and when the first electromagnet tube 312 is attached to the rod 2, the first electromagnet tube 312 hardly generates lateral displacement.

Specifically, when the relevant person pushes the limiting ring 33 to move, the first electromagnet tube 312 is slidably connected to one rod 2, and after the plurality of movable clamping devices 37 on the limiting ring 33 are moved to suitable working positions (e.g., the middle of the workpiece to be processed, the firm part of the workpiece to be processed, etc.), the relevant person energizes the first electromagnet tube 312 to make the first electromagnet tube 312 generate magnetism and magnetically connect with the rod 2, so that the first moving device 31 is fixed on one rod 2.

It should be noted that the first moving device 31 and the second moving device 32 described in the above embodiments are identical in structure and function.

In one embodiment of the present application, as shown in fig. 3, the moving clamp device 37 may include: a second tube body 371, a second electromagnet tube 372, an electric telescopic rod 373 and a clamping plate 374.

Wherein, second electromagnetism iron pipe 372 sets up at second body 371 inner wall, and second electromagnetism iron pipe 372 and spacing ring 33 sliding connection, electric telescopic handle 373 sets up on spacing ring 33's lateral wall, one side of grip block 374 links to each other with electric telescopic handle 373's output, it should be said that, spacing ring 33 adopts the iron material, make spacing ring 33 can adsorb mutually with having magnetic second electromagnetism iron pipe 372, simultaneously, the internal diameter of second electromagnetism iron pipe 372 is close the diameter of spacing ring 33, adsorb when spacing ring 33 at second electromagnetism iron pipe 372, second electromagnetism iron pipe 372 produces lateral displacement hardly.

Particularly, relevant personnel move second body 371 with the hand, second body 371 drives second electromagnetism iron pipe 372 and moves on spacing ring 33, remove suitable operating position (make things convenient for the fixed position of waiting to process the work piece of centre gripping) after, relevant personnel give second electromagnetism iron pipe 372 circular telegram, make second electromagnetism iron pipe 372 produce magnetism, be connected with spacing ring 33 magnetism, make second electromagnetism iron pipe 372 fix on spacing ring 33, afterwards, through starting electric telescopic handle 373, electric telescopic handle 373 promotes corresponding grip block 374 and removes to waiting to process the work piece direction, it is fixed to make a plurality of grip blocks 374 will wait to process the work piece centre gripping, convenient subsequent processing.

In the course of working, if need treat when processing the work piece and rotate, relevant personnel through give a plurality of second electromagnetism pipes 372 outage, lose magnetism back at a plurality of second electromagnetism pipes 372, relevant personnel can easily rotate and treat processing the work piece, when treating processing the work piece and rotate, second body 371 and second electromagnetism pipe 372 can remove on spacing ring 33.

Further, as shown in fig. 3, the method may further include: the antiskid plate 4 is detachably arranged on the other side of the clamping plate 374.

It can be understood that the antiskid plate 4 makes the clamping effect of the clamping plate 374 more stable, and when the antiskid effect of the antiskid plate 4 is in problem, the antiskid plate 4 can be separated from the clamping plate 374 through the threaded fastener, and the antiskid plate 4 can be replaced.

For clarity, in an embodiment of the present application, as shown in fig. 3, a limiting sliding groove 5 is formed on the limiting ring 33, a limiting sliding block 6 is disposed on an inner wall of the second electromagnet tube 372, and the limiting sliding block 6 is slidably connected to the limiting sliding groove 5.

It can be understood that, second electromagnetism iron pipe 372 when with spacing ring 33 sliding connection, can drive stop block 6 and remove at spacing spout 5, and spacing spout 5 is through spacing to stop block 6 for second electromagnetism iron pipe 372 can't be vertical to rotate on spacing ring 33, makes second electromagnetism iron pipe 372 can only follow the orbit removal of spacing spout 5, makes a plurality of grip blocks 374 in a plane always, improves the stability of centre gripping.

In one embodiment of the present application, as shown in fig. 5, drive assembly 36 includes a drive arrangement 361, a drive pulley 362, and a driven pulley 363.

Wherein, a cavity 7 is formed in the first tube 311, a driving device 361 is disposed in the cavity 7, a driving wheel 362 is disposed at a driving end of the driving device 361, a driven wheel 363 is disposed on a side wall of the first rotating rod 34, and the driving wheel 362 and the driven wheel 363 are engaged with each other through gear teeth.

Specifically, when the driving assembly 36 is started by a related person, the driving device 361 provides a driving force, the driving device 361 drives the driving wheel 362 to rotate, the driven wheel 363 is driven to rotate by mutual engagement of the driving wheel 362 and the driven wheel 363, the driven wheel 363 drives the limiting ring 33 to rotate by the first rotating rod 34, and the limiting ring 33 is inclined to a proper angle (an angle convenient for processing a workpiece to be processed).

In one embodiment of the present application, as shown in fig. 2 and 4, a threaded groove 9 is formed at one end of the rod body 2, a screw 10 is disposed at the other end of the rod body 2, the screw 10 is detachably connected to the workbench 1 through a thread, the screw 10 is detachably connected to the threaded groove 9 through a thread, and at least one of the fixing members 3 is disposed on the rod body 2.

As a possible situation, when the height of the workpiece to be processed is not high, only one fixing assembly 3 may be used, and at this time, after the first electromagnet tube 312 is powered off, the first moving device 31 and the second moving device 32 may be moved on the corresponding rod 2, and when the workpiece to be processed is moved to a height suitable for the turnover of the workpiece to be processed, the workpiece to be processed is driven to be turned over by the driving assembly 36, for example: the workpiece to be machined can be turned to a certain angle according to machining requirements, the weight of the workpiece to be machined and the like, and can also be turned by 180 degrees to completely reversely mount the workpiece to be machined.

As another possible situation, when the height of the workpiece to be machined is high, in order to ensure the stability of clamping, related personnel can freely increase the number of the rod bodies 2 and the fixing assemblies 3 according to the machining situation, the related personnel align the screw rods 10 on the rod bodies 2 to the thread grooves 9 on the corresponding rod bodies 2, the two rod bodies 2 are connected, the rod bodies 2 are sleeved with the fixing assemblies 3, the workpiece to be machined with high height is fixed through the fixing assemblies 3, the workpiece to be machined with high height can be fixedly positioned by the mechanical machining positioning equipment, and the application range of the equipment is increased.

In one embodiment of the present application, as shown in fig. 1, further includes: the device comprises a mounting seat 11, a plurality of position sensors 12, a plurality of positioning plate bodies 13, a control panel 14 and a voice alarm 15, wherein the position sensors 12 correspond to the positioning plate bodies 13 one to one.

Wherein, mount pad 11 is installed on workstation 1, a plurality of position sensor 12 can be dismantled respectively and set up on mount pad 11, be provided with location plate body 13 on every first body 311 respectively, control panel 14 sets up on workstation 1, voice alarm 15 sets up on control panel 14, position sensor 12 for the position of the corresponding location plate body 13 of response, with the position of fixed subassembly 3 in the location, a controller, be used for controlling mount pad 11, a plurality of position sensor 12 and voice alarm 15 respectively.

It should be noted that the first tube 311 on each fixing assembly 3 is provided with a positioning plate 13, and the mounting positions of the positioning plates 13 on each fixing assembly 3 are different, when the fixing assemblies 3 are stacked, the positioning plates 13 are not shielded from each other, the plurality of position sensors 12 are in one-to-one correspondence with the plurality of positioning plates 13, and the position sensors 12 can sense the positions of the corresponding positioning plates 13.

Specifically, related personnel can input the size of a workpiece to be processed to the control panel 14, the control panel 14 can display the best position of the fixing component 3, when the related personnel vertically move the first pipe body 311, the position sensor 12 can monitor the position of the corresponding positioning plate body 13 in real time, when the distance between the corresponding positioning plate body 13 and the position sensor 12 reaches a preset distance (automatically calculated by a controller in the control panel 14 according to the size data of the workpiece to be processed), the voice alarm 15 gives an alarm to remind the related personnel to stop moving the fixing component 3 in time, and the fixing component 3 can be quickly and accurately moved to a proper position.

It should be noted that, a reduction gearbox 8 may also be included, wherein a driving end of the driving device 361 is connected with an input end of the reduction gearbox 8, an output end of the reduction gearbox 8 constitutes the driving end of the driving device 361, the rotational speed output by the driving device 361 is adjusted by the reduction gearbox 8, and the driving device 361 is provided with a brake, through the brake, when the driving device 361 is out of power, the brake plays a role in braking, so that the driving device 361 stops operating quickly.

To sum up, the machining positioning equipment of this application embodiment can carry out firm centre gripping location to the work piece, improves the work piece yield, and adjustment work piece position that simultaneously can be convenient in the course of working improves work piece machining efficiency.

In the description of the present specification, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims

1. A machining positioning apparatus, comprising:

a work table;

the two rod bodies are respectively arranged on the workbench;

the fixing components are arranged on the two rod bodies;

the fixing assembly includes: a first moving device, a second moving device, a limit ring, a first rotating rod, a second rotating rod, a driving assembly and a plurality of moving clamping devices,

the first moving device and the second moving device are respectively arranged on the two rod bodies, the limiting circular ring is connected with the first moving device through a first rotating rod, the limiting circular ring is connected with the second moving device through a second rotating rod, the plurality of moving clamping devices are respectively arranged on the limiting circular ring, the driving assembly is arranged on the first moving device, and the driving assembly is connected with the first rotating rod;

the first mobile device comprises: a first tube and a first electromagnet tube, wherein,

the first electromagnet tube is arranged in the first tube body, and the first tube body is connected with the rod body in a sliding manner;

the driving assembly is used for driving the limiting circular ring to rotate so as to control the limiting circular ring to reach a preset inclination angle;

the movable clamping device is used for clamping and fixing a workpiece to be processed and controlling the workpiece to be processed to rotate;

the first moving device and the second moving device are used for adjusting the working position of the movable clamping device.

2. The machining positioning apparatus of claim 1, wherein the moving clamp device comprises: a second tube body, a second electromagnet tube, an electric telescopic rod and a clamping plate, wherein,

the second electromagnet pipe is arranged on the inner wall of the second pipe body and is connected with the limiting ring in a sliding mode, the electric telescopic rod is arranged on the side wall of the limiting ring, and one side of the clamping plate is connected with the output end of the electric telescopic rod.

3. The machining positioning apparatus of claim 2, further comprising: and the antiskid plate is detachably arranged on the other side of the clamping plate.

4. The machining positioning device according to claim 2, wherein a limiting sliding groove is formed in the limiting ring, and a limiting sliding block is arranged on the inner wall of the second electromagnet tube and is connected with the limiting sliding groove in a sliding manner.

5. The machining fixture of claim 1, wherein the drive assembly includes: a driving device, a driving wheel and a driven wheel, wherein,

the cavity is formed in the first tube body, the driving device is arranged in the cavity, the driving wheel is arranged at the driving end of the driving device, the driven wheel is arranged on the side wall of the first rotating rod, and the driving wheel and the driven wheel are meshed with each other through gear teeth.

6. The machining positioning apparatus of claim 5, further comprising: the driving end of the driving device is connected with the input end of the reduction gearbox, and the output end of the reduction gearbox forms the driving end of the driving device.

7. The machining positioning device as claimed in claim 1, wherein a threaded groove is formed in one end of the rod body, a screw rod is arranged at the other end of the rod body, the screw rod is detachably connected with the workbench through threads, and the screw rod is detachably connected with the threaded groove through threads.

8. A machine positioning device as claimed in claim 1, wherein the fixing assembly is provided with at least one on the rod body.

9. The machining positioning apparatus of claim 1, further comprising: the device comprises a mounting seat, a plurality of position sensors, a plurality of positioning plate bodies, a control panel and a voice alarm, wherein the position sensors correspond to the positioning plate bodies one to one,

the mounting seat is mounted on the workbench, the position sensors are respectively detachably arranged on the mounting seat, the positioning plate body is respectively arranged on each first pipe body, the control panel is arranged on the workbench, and the voice alarm is arranged on the control panel;

the position sensor is used for sensing the position of the corresponding positioning plate body so as to position the position of the fixing component;

the controller is used for respectively controlling the mounting seat, the position sensors and the voice alarm.