Universal milling head fixing support

Abstract

The utility model provides a universal milling head fixing support which comprises wheels, a frame and a positioning assembly, the wheels are arranged at the bottom of the frame, and the support can be moved conveniently to adjust the positions of a universal milling head and a machine tool. A cross beam and an arc-shaped plate are arranged on the frame and are respectively used for supporting a mounting part and a transposition dial of the universal milling head; the positioning assembly comprises a first positioning piece, a second positioning piece and a connecting rod, the first positioning piece and the second positioning piece are matched to position all the end faces of the mounting part so as to prevent the universal milling head from sliding off, stable connection of the universal milling head is guaranteed, and the second positioning piece and the connecting rod are connected conveniently to be disassembled. The universal milling head is fixed through cooperation of the frame structure and the positioning assembly, the relative position of a fixing point is not affected when the milling head is rotated, the milling head can be fixed without adjusting the shape of the milling head, the workload can be saved, and the milling head clamping efficiency can be improved.

Description

Technical Field

[0001] This utility model belongs to the field of milling machine accessory fixing fixtures, specifically relating to a universal milling head fixing bracket. Background Art

[0002] A milling head is a milling machine accessory mounted on a milling machine and connected to the spindle. It drives the milling cutter to rotate, thereby expanding the application range and functions of the milling machine. A milling head bracket is a fixed fixture used to mount the milling head onto the milling machine. When fixing the milling head in a universal milling head bracket, it needs to be rotated to a specific angle before it can be placed in the bracket. This increases the workload, prolongs the downtime of the equipment, and wastes time. Utility Model Content

[0003] In view of the shortcomings of the prior art described above, the purpose of this utility model is to provide a universal milling head fixing bracket, which adopts a special clamping structure, can fix the milling head without adjusting the shape of the universal milling head, and ensures stable and convenient installation, effectively saving workload, improving the clamping efficiency of the milling head, and has wide applicability.

[0004] To achieve the above and other related objectives, this utility model provides a universal milling head fixing bracket, comprising:

[0005] The frame has a crossbeam and a support plate on top, and the mounting part of the universal milling head and the indexing dial are respectively placed on the crossbeam and the support plate.

[0006] A positioning component, connected to the vehicle frame, the positioning component comprising:

[0007] A connecting rod, which is vertically arranged and connected to both ends of the crossbeam;

[0008] The first positioning element is connected to the crossbeam and located inside the connecting rod. The first positioning element abuts against the inner end face and side face of the mounting part for positioning.

[0009] The second positioning element is connected to the end of the connecting rod away from the crossbeam, and the second positioning element abuts against the top surface and inner end surface of the mounting part for positioning.

[0010] In an optional embodiment of this utility model, the first positioning member is a bent baffle, which is fixed to the crossbeam. It includes a first baffle and a second baffle. The first baffle abuts against the inner end face of the mounting part, and the second baffle is symmetrically distributed at both ends of the crossbeam and abuts against the side of the mounting part. The distance between the two second baffles is the same as the length of the mounting part.

[0011] In an optional embodiment of this utility model, the second positioning member is an angle plate, which includes a third baffle and a fourth baffle that are perpendicular to each other. The third baffle is connected to the connecting rod and abuts against the top surface of the mounting part, and the fourth baffle abuts against the inner end surface of the mounting part.

[0012] In an optional embodiment of this utility model, a through hole is provided on the third baffle, and the through hole is connected with the connecting rod to fix the second positioning member.

[0013] In an optional embodiment of this utility model, the connecting rod includes:

[0014] A threaded rod is connected to both ends of the crossbeam, and the diameter of the threaded rod is smaller than the diameter of the through hole;

[0015] An outer tube is fitted onto the threaded rod, the diameter of the outer tube is larger than the diameter of the through hole, and the length of the outer tube is smaller than the length of the threaded rod;

[0016] Nut, connected to the threaded rod;

[0017] The third baffle is engaged with the end of the outer tube through the through hole, and the nut is connected to and pressed with the threaded rod to press the third baffle and the mounting part together.

[0018] In an optional embodiment of this utility model, the third baffle has a through hole at one end and a U-shaped groove at the other end. The width of the U-shaped groove is smaller than the diameter of the outer tube and larger than the diameter of the threaded rod. The third baffle is engaged with the end of the outer tube through the through hole and the U-shaped groove, and the third baffle is pressed tightly with the mounting part by the connection between the nut and the threaded rod.

[0019] In an optional embodiment of this utility model, the support plate is an arc-shaped plate with an upward opening, and the surface of the arc-shaped plate is attached with a soft material, and the indexing dial is disposed inside the arc-shaped plate.

[0020] In an optional embodiment of the present invention, wheels are also included, disposed at the bottom of the frame.

[0021] In an optional embodiment of this utility model, the total length of the frame is greater than the total length of the universal milling head, and the center of gravity of the universal milling head is located inside the frame.

[0022] In an optional embodiment of this utility model, there is a receiving space on the side of the frame away from the crossbeam, and the end of the universal milling head away from the mounting part can be placed in the receiving space.

[0023] The technical advantages of this invention are as follows: It utilizes the crossbeams and arc-shaped plates on the frame to connect with the mounting portion and indexing dial of the first section of the universal milling head as fixed support points. The mounting portion is positioned using first and second positioning components to prevent slippage, achieving a stable connection to the universal milling head. The relative position of the fixed points is not affected during milling head indexing. The frame structure ensures that the center of gravity of the universal milling head is located within the frame and can be connected at any angle, guaranteeing the overall stability of the device. Furthermore, the milling head can be fixed without adjusting its shape, improving clamping efficiency. The U-shaped groove and through-hole of the second positioning component ensure stable connection while facilitating installation and disassembly. The overall structure is simple, easy to operate, effectively improves work efficiency, and has wide applicability. Attached Figure Description

[0024] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments 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.

[0025] Figure 1 This is a schematic diagram of the overall structure of the universal milling head fixing bracket and the universal milling head connection in one embodiment of the present invention;

[0026] Figure 2 This is a schematic diagram of the overall structure of the universal milling head fixing bracket in one embodiment of the present invention;

[0027] Figure 3 This is a schematic diagram of the structure of the second positioning member in one embodiment of the present invention;

[0028] Figure 4 This is a schematic diagram of a partial connection structure between the second positioning member and the connecting rod in one embodiment of the present invention;

[0029] Figure 5 This is a schematic diagram of a typical milling head fixing bracket.

[0030] Label Explanation:

[0031] 100. Wheels; 200. Frame; 300. Positioning components; 400. Universal milling head;

[0032] 210. Crossbeam; 220. Support plate; 230. Support frame; 231. Bottom frame; 232. First support beam; 233. Second support beam;

[0033] 310. Connecting rod; 320. First positioning component; 330. Second positioning component; 311. Threaded rod; 312. Outer tube; 313. Nut; 321. First baffle; 322. Second baffle; 331. Third baffle; 332. Fourth baffle; 333. Through hole; 334. U-shaped groove;

[0034] 410. First section of universal milling head; 420. Second section of universal milling head; 430. Indexing adjustment rod; 411. Mounting part; 412. Indexing dial. Detailed Implementation

[0035] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model. It should be noted that, unless otherwise specified, the following embodiments and features described therein can be combined with each other.

[0036] It should be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of the present invention. Therefore, the illustrations only show the components related to the present invention and are not drawn according to the number, shape and size of the components in actual implementation. In actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.

[0037] A milling head mounting bracket is a fixture used to mount a milling head onto the spindle of a milling machine. Generally, the milling head bracket supports and fixes the milling head body. However, due to its special structure, a universal milling head requires one end to be rotated to a specific angle using the indexing adjustment rod before it can be placed into the milling head mounting bracket. This increases the installation operation, prolongs the equipment downtime, wastes time, and reduces work efficiency.

[0038] Please see Figures 1 to 5This utility model proposes a universal milling head fixing bracket, including a wheel 100, a frame 200, and a positioning component 300. The wheel 100 is set at the bottom of the frame 200, which facilitates the adjustment of the relative position between the universal milling head 400 and the milling machine during installation. The universal milling head 400 includes a fixed universal milling head first section 410 and an indexable universal milling head second section 420. The mounting part 411 and the indexing dial 412 are respectively located at both ends of the universal milling head first section 410. The frame 200 is used to support the mounting part 411 and the indexing dial 412 at both ends of the universal milling head first section 410. The positioning component 300 is connected to the frame 200 to assist in positioning the universal milling head 400 to prevent it from slipping and to ensure the stability of the universal milling head 400 during installation. In a typical milling head bracket, the first and second sections of the milling head are supported. When installing the universal milling head 400, the second section 420 of the universal milling head needs to be rotated to a specific angle using the indexing adjustment rod 430 before it can be placed into the milling head fixing bracket. However, the universal milling head fixing bracket of this utility model utilizes the special structure of the frame 200 and the positioning component 300 to support and fix the universal milling head 400 to ensure its stability. The rotation of the universal milling head 400 will not affect the relative position of the fixing point. Therefore, the milling head can be fixed without adjusting the shape of the milling head, saving the workload when installing the universal milling head and improving the clamping efficiency of the milling head.

[0039] Please see Figures 1 to 2 In an optional embodiment of this utility model, the frame 200 is the main body for mounting and supporting the universal milling head 400. The frame 200 has a crossbeam 210 and a support plate 220 on top. The mounting part 411 and the indexing dial 412 of the universal milling head 400 are respectively placed on the crossbeam 210 and the support plate 220. Mounting part 411 is a fixed component for connecting the universal milling head 400 to the machine tool. Mounting part 411 and indexing dial 412 are located at both ends of the first section 410 of the universal milling head. The two ends of the first section 410 of the universal milling head are supported by crossbeam 210 and support plate 220. The relative position of its fixing point is not affected when the milling head is indexed. The milling head can be fixed without adjusting the shape of the milling head. The total length of the frame 200 is greater than the total length of the universal milling head 400, ensuring that the center of gravity of the universal milling head 400 is located within the frame 200. There is a accommodating space on the side of the frame 200 away from the crossbeam 210. The end of the universal milling head 400 away from the mounting part 411 can be placed in this accommodating space, so that it can be installed on the bracket at any angle without adjustment. After the universal milling head 400 is placed on the frame 200, the positioning component 300 assists in positioning to prevent slippage and achieve a stable connection. It should be noted that the height of the frame 200 is relatively small to lower the center of gravity and maintain stability. When the universal milling head 400 is fixed on the frame 200 and connected to the machine tool, the height of the machine tool spindle is adjusted to connect with the universal milling head 400. The height of the frame 200 is sufficient to ensure that the universal milling head 400 is within the spindle adjustment range.

[0040] Specifically, please refer to Figures 1 to 2 The frame 200 includes a crossbeam 210, a support plate 220, and a support frame 230. The support frame 230 includes a bottom frame 231 and multiple support beams. The bottom frame 231 is, for example, a square support frame. The crossbeam 210 and the support plate 220 are connected to the bottom frame 231 through the support beams. The crossbeam 210 is located at one end of the frame 200, and the support plate 220 is located in the middle of the frame 200. The distance between the crossbeam 210 and the support plate 220 is adapted to the length dimension of the first section 410 of the universal milling head. The mounting portion 411 and indexing dial 412 of the first section 410 of the universal milling head can be placed on the crossbeam 210 and support plate 220. The bottom frame 231 has an extension on the side away from the support plate 220 and crossbeam 210, with a space above the extension frame to accommodate the second section 420 of the universal milling head, without obstructing the installation of the universal milling head 400. The various structural components of the frame 200 are adapted to the overall structure of the universal milling head 400, ensuring stable and reliable installation. It is understood that the crossbeam 210 and support plate 220 support the mounting portion 411 and indexing dial 412 of the universal milling head 400, and their width is not less than the width of the mounting portion 411 and indexing dial 412 to ensure stable support.

[0041] Please see Figures 1 to 2 In an optional embodiment of this utility model, the support plate 220 is an upward-opening arc-shaped plate, the shape of which is adapted to the indexing dial 412. The indexing dial 412 is disposed within the arc-shaped plate, and the arc-shaped plate supports the indexing dial 412 portion of the first section 410 of the universal milling head. The surface of the arc-shaped plate is coated with a soft material, such as rubber, to protect the indexing dial 412 from impact damage. The arc-shaped plate is connected to the bottom frame 231 at both ends by first support beams 232. The first support beams 232 are inclined inward at a certain angle, and an inclined second support beam 233 is connected above them. The second support beam 233 is connected to the bottom frame 231, which improves the support strength while ensuring that there is a certain space above the frame 200 so as not to obstruct the installation of the universal milling head 400. At the same time, the center of gravity of the universal milling head 400 falls within the frame 200 and can remain stable.

[0042] Please see Figures 1 to 4In an optional embodiment of this utility model, the positioning component 300 is connected to the frame 200 and includes a connecting rod 310, a first positioning member 320, and a second positioning member 330. The connecting rod 310 is vertically arranged and connected to both ends of the crossbeam 210. The first positioning member 320 is connected to the crossbeam 210 and located inside the connecting rod 310. The first positioning member 320 abuts against the inner end face and side face of the mounting part 411 for positioning. The second positioning member 330 is connected to the end of the connecting rod 310 away from the crossbeam 210 and abuts against the top surface and inner end face of the mounting part 411 for positioning. The first positioning member 320 and the second positioning member 330 are used to position the end faces of the mounting part 411, preventing the universal milling head 400 from slipping and ensuring the stability of the installation.

[0043] Please see Figures 1 to 4 In an optional embodiment of this utility model, the first positioning member 320 is a bending baffle, which includes a first baffle 321 and a second baffle 322. The first baffle 321 abuts against the inner end face of the mounting part 411, and the second baffles 322 are symmetrically distributed at both ends of the crossbeam 210 and abut against the side of the mounting part 411. The distance between the two second baffles 322 is the same as the length of the mounting part 411. Specifically, for example, the two bending baffles can be symmetrically fixed at both ends of the crossbeam 210 and located inside the connecting rod 310, and the universal milling head 400 can be fixed by the bending baffles on both sides to prevent it from slipping.

[0044] Please see Figures 1 to 4 In an optional embodiment of this utility model, the second positioning member 330 is an angle plate, which includes a third baffle 331 and a fourth baffle 332 that are perpendicular to each other. The third baffle 331 is connected to the connecting rod 310 and acts as a pressure plate against the top surface of the mounting part 411. The third baffle 331 has a through hole 333, which is used to connect with the connecting rod 310 to fix the second positioning member 330. The fourth baffle 332 abuts against the inner end face of the mounting part 411, which can improve the strength of the pressure plate and prevent the milling head from slipping off. The second positioning member 330 and the first positioning member 320 cooperate to fix the front end mounting part 411 of the first section 410 of the universal milling head, preventing the milling head from slipping off due to uneven weight when the support point of the support plate 220 is forward. It is understandable that the first positioning member 320 and the second positioning member 330 are connected to the inner end face of the mounting part 411 through the first baffle 321 and the fourth baffle 332 respectively, and the universal milling head 400 is connected to the machine tool through the connecting hole on the mounting part 411. The width and position dimensions of the first baffle 321 and the fourth baffle 332 should ensure that they do not affect the installation of the connecting hole.

[0045] Please see Figures 1 to 4In an optional embodiment of this utility model, a through hole 333 is provided at one end of the third baffle 331, and a U-shaped groove 334 is provided at the other end. The third baffle 331 is connected and fixed to the connecting rod 310 through the through holes 333 and the U-shaped groove 334 at both ends, and the mounting part 411 is pressed and fixed by the third baffle 331. The connecting rod 310 and the through hole 333 at one end form a rotary joint. The other end of the third baffle 331 is engaged and fixed to the connecting rod 310 through the U-shaped groove 334. One end of the U-shaped groove 334 can be freely rotated to engage or disengage the second positioning member 330 and the connecting rod 310. Only one end of the U-shaped groove 334 needs to be installed or removed to freely rotate the second positioning member 330 to realize the installation or removal of the universal milling head 400. The structure is simple and easy to operate, effectively improving the work efficiency of installation and removal.

[0046] Please see Figures 1 to 4 In an optional embodiment of this utility model, the connecting rod 310 includes a threaded rod 311, an outer tube 312, and a nut 313. The threaded rod 311 is connected to both ends of the crossbeam 210. The diameter of the threaded rod 311 is smaller than the diameter of the through hole 333, so that the through hole 333 can pass through the threaded rod 311 and connect to the connecting rod 310. The outer tube 312 is sleeved on the threaded rod 311. The diameter of the outer tube 312 is larger than the diameter of the through hole 333, and the length of the outer tube 312 is smaller than the length of the threaded rod 311. After the through hole 333 passes through the threaded rod 311, it can be engaged above the outer tube 312. The nut 313 is connected to the threaded rod 311. The third baffle 331 is engaged at the end of the outer tube 312 through the through hole 333. The nut 313 is connected to and pressed with the threaded rod to press the third baffle 331 and the mounting part 411 together. Understandably, the length of the outer tube 312 is determined based on the height of the mounting part 411 and the relative position of the outer tube 312 and the crossbeam 210, so that when the second positioning member 330 is engaged with the end of the outer tube 312, the third baffle 331 can be pressed against the top surface of the mounting part 411 to achieve fixation.

[0047] Please see Figures 1 to 4In an optional embodiment of this utility model, one end of the third baffle 331 has a through hole 333, and the other end has a U-shaped groove 334. The width of the U-shaped groove 334 is smaller than the diameter of the outer tube 312 and larger than the diameter of the threaded rod 311. The third baffle 331 is engaged with the end of the outer tube 312 through the through hole 333 and the U-shaped groove 334 respectively. The third baffle 331 and the mounting part 411 are pressed together by the connection of the nut 313 and the threaded rod. One end of the third baffle 331 is connected to the connecting rod 310 through the through hole 333 and fixed by the nut 313. The other end can be freely engaged with the end of another outer tube 312 by rotating the U-shaped groove 334. The second positioning member 330 and the mounting part 411 are fixed by tightening the nut 313. The second positioning member 330 and the mounting part 411 can be disassembled by simply loosening the nut 313. The installation and disassembly are convenient, reducing the operation and improving the work efficiency.

[0048] Please see Figures 1 to 4 When installing the universal milling head 400, place the universal milling head 400 on the frame 200. Its mounting part 411 is placed on the crossbeam 210 and engaged with one side of the first positioning member 320. The indexing dial 412 is correspondingly located on the arc plate. The third baffle 331 is engaged with the end of the outer tube 312 through the through hole 333 and the U-shaped groove 334 and pressed against the top surface of the mounting part 411. The fourth baffle 332 abuts against the inner end face of the mounting part 411 to prevent it from slipping due to uneven weight distribution. The second positioning member 330 is secured above it by a clamping nut 313. By pressing and fixing the mounting part 411, the universal milling head 400 can remain stable and will not slip under the support of the frame 200 and the limiting of the first positioning member 320 and the second positioning member 330. The spindle height can be adjusted appropriately and the position of the frame 200 can be adjusted by the wheel 100 on the fixed bracket. The universal milling head 400 is connected to the threaded hole of the machine tool through the connecting hole on the mounting part 411. After installation, the milling head can be disassembled and separated from the bracket simply by unscrewing the nut 313 at one end of the U-shaped groove 334 and rotating the second positioning member 330 to disengage it from the mounting part 411.

[0049] In summary, the universal milling head fixing bracket of this utility model utilizes the crossbeam 210 and arc plate on the frame 200 to connect with the mounting part 411 and the indexing dial 412 of the first section 410 of the universal milling head as a fixed support point. The mounting part 411 is positioned by the first positioning member 320 and the second positioning member 330 to prevent it from slipping, thus achieving a stable connection to the universal milling head 400. The relative position of the fixing point is not affected when the milling head is indexed. The frame 200 structure ensures that the center of gravity of the universal milling head 400 is located within the frame 200 and can be connected at any angle, ensuring the overall stability of the device. The milling head can be fixed without adjusting its shape, improving clamping efficiency. The U-shaped groove 334 of the second positioning member 330 cooperates with the through hole 333 to ensure a stable connection while facilitating installation and disassembly, improving work efficiency. The overall structure is simple and easy to operate.

[0050] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Anyone skilled in the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by one of ordinary skill in the art without departing from the spirit and technical principles disclosed in the present invention are intended to be covered by the claims of the present invention.

[0051] Throughout this description, numerous specific details, such as examples of components and / or methods, are provided to provide a complete understanding of embodiments of the present invention. However, those skilled in the art will recognize that embodiments of the present invention may be practiced without one or more of these specific details or by other devices, systems, components, methods, parts, materials, components, etc. In other instances, well-known structures, materials, or operations have not been specifically shown or described in detail to avoid obscuring aspects of embodiments of the present invention.

[0052] Throughout this specification, references to "an embodiment," "an embodiment," or "a specific embodiment" mean that a particular feature, structure, or characteristic described in connection with an embodiment is included in at least one embodiment of the present invention, but not necessarily in all embodiments. Therefore, the various representations of the phrases "in one embodiment," "in an embodiment," or "in a specific embodiment" in different places throughout the specification do not necessarily refer to the same embodiment. Furthermore, a particular feature, structure, or characteristic of any specific embodiment of the present invention can be combined with one or more other embodiments in any suitable manner. It should be understood that other variations and modifications of the embodiments of the present invention described and illustrated herein may be based on the teachings herein and will be considered part of the spirit and scope of the present invention.

[0053] It should also be understood that one or more of the elements shown in the figures may be implemented in a more separate or more integrated manner, or may even be removed because they are inoperable in certain circumstances or provided because they may be useful for a particular application.

[0054] Furthermore, unless otherwise expressly stated, any arrows in the accompanying drawings should be considered illustrative only and not limiting. Additionally, unless otherwise stated, the term "or" as used herein is generally intended to mean "and / or". Where a term is anticipated to provide a separation or combination capability that is unclear, a combination of components or steps will also be considered as indicated.

[0055] As used herein and throughout the claims below, unless otherwise specified, “a” and “the” include the plural references. Similarly, as used herein and throughout the claims below, unless otherwise specified, “in” means “in” and “on”.

[0056] The above description of the embodiments shown in this utility model (including the content set forth in the abstract of the specification) is not intended to be an exhaustive enumeration or to limit the utility model to the precise forms disclosed herein. Although specific embodiments and examples of the utility model have been described herein for illustrative purposes only, various equivalent modifications are possible within the spirit and scope of the utility model, as will be recognized and understood by those skilled in the art. As indicated, these modifications can be made to the utility model in accordance with the above description of the embodiments described herein, and such modifications will be within the spirit and scope of the utility model.

[0057] This document has generally described the systems and methods in detail to aid in understanding the present invention. Furthermore, various specific details have been set forth to provide a general understanding of embodiments of the present invention. However, those skilled in the art will recognize that embodiments of the present invention can be practiced without one or more specific details, or using other devices, systems, accessories, methods, components, materials, parts, etc. In other instances, well-known structures, materials, and / or operations have not been specifically shown or described in detail to avoid obscuring aspects of embodiments of the present invention.

[0058] Therefore, although the present invention has been described herein with reference to specific embodiments thereof, freedom of modification, various changes and substitutions are also within the scope of the above disclosure, and it should be understood that in some cases, certain features of the present invention may be adopted without departing from the scope and spirit of the invention and without corresponding use of other features. Thus, many modifications can be made to adapt a particular environment or material to the essential scope and spirit of the present invention. The present invention is not intended to be limited to the specific terms used in the following claims and / or the specific embodiments disclosed as the best mode of carrying out the present invention, but the present invention will include any and all embodiments and equivalents falling within the scope of the appended claims. Therefore, the scope of the present invention will be determined only by the appended claims.

Claims

1. A universal milling head fixing bracket, characterized in that, include: The frame has a crossbeam and a support plate on top, and the mounting part of the universal milling head and the indexing dial are respectively placed on the crossbeam and the support plate. A positioning component, connected to the vehicle frame, the positioning component comprising: A connecting rod, which is vertically arranged and connected to both ends of the crossbeam; The first positioning element is connected to the crossbeam and located inside the connecting rod. The first positioning element abuts against the inner end face and side face of the mounting part for positioning. The second positioning element is connected to the end of the connecting rod away from the crossbeam, and the second positioning element abuts against the top surface and inner end surface of the mounting part for positioning.

2. The universal milling head fixing bracket according to claim 1, characterized in that, The first positioning element is a bent baffle, which is fixed to the crossbeam. It includes a first baffle and a second baffle. The first baffle abuts against the inner end face of the mounting part, and the second baffle is symmetrically distributed at both ends of the crossbeam and abuts against the side of the mounting part. The distance between the two second baffles is the same as the length of the mounting part.

3. The universal milling head fixing bracket according to claim 1, characterized in that, The second positioning element is an angle plate, which includes a third baffle and a fourth baffle that are perpendicular to each other. The third baffle is connected to the connecting rod and abuts against the top surface of the mounting part, and the fourth baffle abuts against the inner end face of the mounting part.

4. The universal milling head fixing bracket according to claim 3, characterized in that, The third baffle has a through hole, which is connected to the connecting rod to fix the second positioning member.

5. The universal milling head fixing bracket according to claim 4, characterized in that, The connecting rod includes: A threaded rod is connected to both ends of the crossbeam, and the diameter of the threaded rod is smaller than the diameter of the through hole; An outer tube is fitted onto the threaded rod, the diameter of the outer tube is larger than the diameter of the through hole, and the length of the outer tube is smaller than the length of the threaded rod; Nut, connected to the threaded rod; The third baffle is engaged with the end of the outer tube through the through hole, and the nut is connected to and pressed with the threaded rod to press the third baffle and the mounting part together.

6. The universal milling head fixing bracket according to claim 5, characterized in that, The third baffle has a through hole at one end and a U-shaped groove at the other end. The width of the U-shaped groove is smaller than the diameter of the outer tube and larger than the diameter of the threaded rod. The third baffle is engaged with the end of the outer tube through the through hole and the U-shaped groove. The third baffle is pressed tightly against the mounting part by the connection between the nut and the threaded rod.

7. The universal milling head fixing bracket according to claim 1, characterized in that, The support plate is an upward-opening arc-shaped plate, and the surface of the arc-shaped plate is covered with a soft material. The indexing dial is disposed inside the arc-shaped plate.

8. The universal milling head fixing bracket according to claim 1, characterized in that, It also includes wheels, which are located at the bottom of the frame.

9. The universal milling head fixing bracket according to claim 1, characterized in that, The total length of the frame is greater than the total length of the universal milling head, and the center of gravity of the universal milling head is located inside the frame.

10. The universal milling head fixing bracket according to claim 7, characterized in that, There is a receiving space on the side of the frame away from the crossbeam, and the end of the universal milling head away from the mounting part can be placed in the receiving space.

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