CN216421862U

CN216421862U - Multi-station synchronous milling machine processing equipment

Info

Publication number: CN216421862U
Application number: CN202122586783.4U
Authority: CN
Inventors: 彭伟
Original assignee: Guangdong Haoyuan Technology Co ltd
Current assignee: Guangdong Haoyuan Technology Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-05-03
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses a synchronous milling machine processing equipment of multistation, include: the device comprises a support, a positioning plate and a positioning mechanism, wherein the support is provided with a turntable and a power device for driving the turntable to rotate around the axis of the turntable; the positioning structure is arranged on the center frame and used for limiting and fixing the workpiece subjected to pre-positioning; and the milling machine equipment is arranged around the periphery of the support and used for processing the workpiece. According to the utility model discloses a synchronous milling machine processing equipment of multistation can realize the synchronous processing of multistation work piece, has greatly promoted machining efficiency, has reduced manufacturing cost.

Description

Multi-station synchronous milling machine processing equipment

Technical Field

The utility model relates to a milling machine processing equipment technical field especially relates to a synchronous milling machine processing equipment of multistation.

Background

The milling machine is one of machine tools for processing workpieces, mainly utilizes the milling cutter to mill the workpieces, is widely applied to mechanical manufacturing and repairing departments, has a plurality of types, can select the milling machine with proper specification and type according to the types of the processed workpieces to be used, processes the workpieces more conveniently and rapidly, and improves the processing efficiency of the workpieces. However, the existing milling machine still has disadvantages in the using process, for example, when machining with different sizes is required to be carried out at a plurality of positions on one workpiece, a plurality of processes are often required, and the milling cutter is replaced for a plurality of times, so that the production efficiency is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a synchronous milling machine processing equipment of multistation can realize the synchronous processing of multistation work piece, has greatly promoted machining efficiency, has reduced manufacturing cost.

According to the utility model discloses synchronous milling machine processing equipment of multistation, include: the device comprises a support, a positioning plate and a positioning mechanism, wherein the support is provided with a turntable and a power device for driving the turntable to rotate around the axis of the turntable; the positioning structure is arranged on the center frame and used for limiting and fixing the workpiece subjected to pre-positioning; and the milling machine equipment is arranged around the periphery of the support and used for processing the workpiece.

According to the utility model discloses synchronous milling machine processing equipment of multistation has following technological effect at least: the connecting mode of the bracket and the turntable is simple, the structure is compact, the space occupation can be effectively reduced, and the space utilization rate is improved; the turntable can simultaneously pre-position a plurality of workpieces, then position the workpieces through the positioning structure, and the workpieces at different stations are synchronously processed by matching with a plurality of milling machine devices, so that the processing procedures of the same milling machine are reduced, the production efficiency is improved, and the production cost is reduced.

According to some embodiments of the utility model, the support is equipped with the fore-set that upwards extends, insert at the top of fore-set the central point of carousel puts, the carousel can wind the fore-set is rotatory.

According to some embodiments of the present invention, the lower surface of the turntable is connected to a driven gear, and the driven gear is sleeved on the periphery of the support pillar; the power device comprises a power motor and a driving gear, the power motor is used for driving the driving gear to rotate, and the driving gear is meshed with the driven gear; the driving gear rotates to drive the driven gear to rotate, and then the rotary table is driven to rotate around the ejection column.

According to some embodiments of the utility model, the carousel lower part still is equipped with a plurality of downwardly extending to the roll pole of support, it is a plurality of the roll pole encloses to be located the driven gear periphery is used for right the carousel supports.

According to some embodiments of the present invention, the plurality of positioning plates are disposed at intervals along the edge of the turntable, and the end portions of the positioning plates are provided with arc-shaped surfaces to pre-position the workpiece; the arc-shaped surface is provided with a horizontal hole which axially penetrates through the positioning plate, and the ejection column is provided with an unloading push rod which can penetrate into the horizontal hole to push a workpiece out of the turntable.

According to some embodiments of the present invention, a sliding structure is installed on the top of the top pillar, the sliding structure is slidably installed on the sliding structure, and is connected with a driving device for driving the sliding structure to slide along the sliding structure; when the driving device drives the discharging push rod to slide along the sliding structure, the discharging push rod can be driven to be inserted into the horizontal hole aligned with the discharging push rod and extend out of the arc-shaped surface, so that the workpiece is pushed out of the turntable.

According to some embodiments of the present invention, the positioning structure comprises a base and a limiting structure, the base is mounted to the positioning plate, and the limiting structure is slidably mounted on the base; the limiting structure is used for limiting and fixing the workpiece.

According to some embodiments of the present invention, one end of the limiting structure, which is far away from the workpiece, is connected to a second mounting frame, the second mounting frame is provided with a downwardly extending connecting plate, and an adjusting spring is arranged between the connecting plate and the base; an adjusting bolt penetrates through the connecting plate and penetrates through the adjusting spring and is in threaded connection with the base; the adjusting spring is rotated to drive the second mounting rack to move relative to the base, and then the limiting structure is driven to move synchronously.

According to the utility model discloses a some embodiments, limit structure includes well core rod, well core rod keeps away from the one end of second mounting bracket is equipped with and is used for carrying out spacing first embedded groove to the work piece, the cell wall of first embedded groove both sides is equipped with the draw-in groove, well core rod is connected with the stopper, the stopper can imbed in the draw-in groove in order to restrict the work piece in the first embedded groove.

According to some embodiments of the utility model, well core rod installs and is used for the drive the stopper embedding central elevating gear in the draw-in groove.

Additional aspects and advantages of the invention 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 invention.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of a front mounting structure of an embodiment of the present invention;

fig. 2 is a schematic view of a back side mounting structure of the embodiment of the present invention;

fig. 3 is a cross-sectional view of an embodiment of the invention;

fig. 4 is an exploded view of a positioning structure according to an embodiment of the present invention;

fig. 5 is a sectional view of a positioning structure according to an embodiment of the present invention.

Reference numerals:

the device comprises a bracket 100, a top column 101, a turntable 110, a driven gear 111, a power device 120, a power motor 121, a driving gear 122, a positioning plate 130, a horizontal hole 131, a rolling rod 140, a sliding structure 150 and a discharging push rod 151;

the positioning structure 200, the base 210, the first mounting frame 220, the second mounting frame 230, the connecting plate 231, the adjusting spring 232, the adjusting bolt 233, the mounting groove 234 and the limiting bolt 240;

milling machine equipment 300, a resisting plate 310;

the limiting structure 400, a central rod 410, a first embedded groove 411, a clamping groove 412, a side rod 420, a second embedded groove 421, a central lifting device 430 and a limiting block 431.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like 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 only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, the utility model discloses a synchronous milling machine processing equipment of multistation, include: the support 100 is provided with a turntable 110 and a power device 120 for driving the turntable 110 to rotate around the axis of the turntable 110, wherein the turntable 110 is used for placing a plurality of processing workpieces and is provided with a positioning plate 130 for pre-positioning the plurality of workpieces; specifically, the turntable 110 is circular, the bracket 100 is provided with an upwardly extending top post 101, the top of the top post 101 is inserted into the center of the turntable 110, and the turntable 110 can rotate around the top post 101. The top post 101 includes an upper disc portion and a lower post portion, a center of the rotary plate 110 is provided with a center hole into which the upper disc portion of the top post 101 is inserted, and a surface of the upper disc portion of the top post 101 is flush with an upper surface of the rotary plate 110.

The positioning structure 200 is arranged on the center frame and used for limiting and fixing the workpiece subjected to pre-positioning; the positioning structure 200 is used to fix the pre-positioned workpiece on the turntable 110, so as to prevent the workpiece from being thrown off the turntable 110 during the rotation of the turntable 110.

And a plurality of milling machines 300 arranged around the outer circumference of the stand 100 to machine the workpiece. A plurality of milling machine devices 300 are arranged at intervals along the turntable 110, and each positioning plate 130 is provided with one milling machine device 300 correspondingly except for the positioning plates 130 for feeding and discharging. For example, in fig. 1, six positioning plates 130 are provided, and five outer circumferences except for one positioning plate 130 for loading and unloading workpieces are provided with milling machine apparatuses 300. The connection mode of the bracket 100 and the turntable 110 is simple, the structure is compact, the space occupation can be effectively reduced, and the space utilization rate is improved; the turntable 110 can pre-position a plurality of workpieces at the same time, then position the workpieces through the positioning structure 200, and synchronously process the workpieces at different stations by matching with a plurality of milling machine devices 300, so that the processing procedures of the same milling machine are reduced, the production efficiency is improved, and the production cost is reduced.

In some embodiments of the present invention, each milling machine 300 is provided with a support plate 310 extending toward the direction of the turntable 110 at a height level with the workpiece, and the support plate 310 is close to the edge of the turntable 110, which is a protection measure for preventing the workpiece from being thrown away by centrifugal force. For example, the workpiece itself may be damaged due to defects, which may cause the workpiece to be thrown out of the positioning structure 200 during the centrifugal force, and may possibly injure the equipment or the operator, so the retaining plate 310 is provided to further protect the workpiece.

In some embodiments of the present invention, the lower surface of the rotating disc 110 is connected to a driven gear 111, and the driven gear 111 is sleeved on the periphery of the top pillar 101; the power device 120 comprises a power motor 121 and a driving gear 122, wherein the power motor 121 is used for driving the driving gear 122 to rotate, and the driving gear 122 is meshed with the driven gear 111; the driving gear 122 rotates to drive the driven gear 111 to rotate, and further drive the turntable 110 to rotate around the top pillar 101. Specifically, as shown in fig. 2 and 3, the driven gear 111 is fixedly connected to the bottom of the rotary table 110, the driven gear 111 is coaxially disposed with the rotary table 110, a hole for a top rod portion of the lower portion of the top column 101 to pass through is disposed at a central position of the driven gear 111, and the top column 101 is disposed in the hole at the central position of the driven gear 111 in a penetrating manner. An output shaft of the power motor 121 is connected with a driving gear 122, the power motor 121 is installed on the bracket 100, and the driving gear 122 is meshed with the driven gear 111. The driving gear 122 is smaller in size than the driven gear 111 to facilitate control of the rotational speed of the turntable 110 and positioning of the processing stations of the workpiece.

In some embodiments of the present invention, the lower portion of the turntable 110 is further provided with a plurality of rolling rods 140 extending downward to the support 100, and the plurality of rolling rods 140 are disposed around the driven gear 111 for supporting the turntable 110. Specifically, as shown in fig. 2, the ends of the plurality of rolling bars 140 are provided with rollers, which contact the bracket 100 and roll on the surface of the bracket 100. Since the top post 101 does not support the center position of the turntable 110, the rolling rod 140 is provided to support the turntable 110 in multiple positions to ensure smooth rotation of the turntable 110. The driving gear 122 is fixedly connected to a lower portion of the rotary plate 110, for example, by welding or bolting, and the rotary plate 110 is rotated around the top pillar 101 by disposing the top pillar 101 to penetrate through a central position of the driving gear 122. The top column 101 does not rotate with the turntable 110 during rotation.

In some embodiments of the present invention, a plurality of positioning plates 130 are disposed at intervals along the edge of the turntable 110, and the end of the positioning plate 130 is provided with an arc surface to pre-position the workpiece; the arc-shaped surface is provided with a horizontal hole 131 axially penetrating through the positioning plate 130, and the top pillar 101 is provided with a discharging push rod 151 capable of penetrating into the horizontal hole 131 to push the workpiece out of the turntable 110. Specifically, the center enclosed by the six positioning plates 130 is in a regular hexagon shape, and the arc-shaped surface is arranged at one end of the positioning plate 130 far away from the center of the turntable 110; because the bottom of the workpiece is circular, the surface which is abutted against the workpiece is set to be an arc-shaped surface.

Further, the workpiece is firstly pushed to the position abutting against the arc-shaped surface, and then the positioning structure 200 limits the workpiece to the position abutting against the arc-shaped surface by adjusting the position of the positioning structure 200. The workpiece is provided with four upright columns which are symmetrical along the center, the four upright columns are respectively arranged on two perpendicular lines which penetrate through the circle center of the workpiece and are perpendicular to each other, and the positioning structure 200 is in contact with the upright columns and limits the upright columns.

Further, the loading of the workpiece may be manual loading or automatic mechanical loading, and the unloading process is to first unlock the positioning structure 200 and then the unloading push rod 151 pushes the workpiece away from the contact with the arc-shaped surface and further pushes the workpiece down the turntable 110.

In some embodiments of the present invention, a sliding structure 150 is installed on the top of the top pillar 101, and the discharging push rod 151 is slidably installed on the sliding structure 150 and connected with a driving device for driving the discharging push rod to slide along the sliding structure 150; when the driving device drives the discharging push rod 151 to slide along the sliding structure, the discharging push rod 151 can be driven to be inserted into the horizontal hole 131 opposite to the discharging push rod and extend out of the arc-shaped surface, so as to push the workpiece out of the turntable 110. Specifically, as shown in fig. 3, two mounting bases for mounting the sliding structure 150 are disposed at the edge of the disc portion at the top of the top pillar 101, and the two mounting bases are spaced apart from each other; the sliding structure 150 includes a sliding rail, a sliding seat is slidably mounted on the sliding rail, two ends of the sliding rail are respectively erected on the two mounting bases, the sliding seat is connected with one end of the discharging push rod 151, which is far away from the workpiece, and the driving device is used for driving the sliding seat to slide along the sliding rail, so as to drive the discharging push rod 151 to slide synchronously. The discharging push rod 151 penetrates through one end of the horizontal hole 131 far away from the arc-shaped surface and penetrates out of the arc-shaped surface.

In some embodiments of the present invention, the positions of the plurality of processing stations are fixed, and the positions of loading and unloading are also fixed, so that the unloading position reached by each time the workpiece is processed by the plurality of milling machines is also fixed; the horizontal sliding direction of the discharging push rod 151 always faces the loading and unloading position. After the workpieces are processed by the plurality of milling machines and the positioning structure 200 releases the limit on the workpieces, the sliding structure 150 starts to drive the discharging push rod 151 to act.

In some embodiments of the present invention, the positioning structure 200 includes a base 210 and a position-limiting structure 400, the base 210 is installed on the positioning plate 130, and the position-limiting structure 400 is slidably installed on the base 210; the limiting structure 400 is used for limiting and fixing the workpiece. Specifically, as shown in fig. 4 and 5, the top of the base 210 is provided with a first mounting rack 220 penetrating through the center, and the limiting structure 400 is slidably disposed in the first mounting rack 220; one end of the limiting structure 400, which is far away from the workpiece, is connected with the second mounting frame 230, the second mounting frame 230 is connected with the base 210 and can move relative to the base 210, and the second mounting frame 230 moves to drive the limiting structure 400 to move synchronously.

In some embodiments of the present invention, the second mounting frame 230 is provided with a downwardly extending connecting plate 231, and an adjusting spring 232 is disposed between the connecting plate 231 and the base 210; an adjusting bolt 233 penetrates through the connecting plate 231, and the adjusting bolt 233 penetrates through the adjusting spring 232 and is in threaded connection with the base 210; the rotation adjusting spring 232 can drive the second mounting frame 230 to move relative to the base 210, so as to drive the limiting structure 400 to move synchronously. The first mounting rack 220 and the second mounting rack 230 are basically the same in structure size, the limiting structure 400 is slidably arranged in the first mounting rack 220 in a penetrating manner, and the first mounting rack 220 limits the limiting structure 400; the second mounting bracket 230 is connected to an end of the limiting structure 400, and is used for driving the limiting structure 400 to move synchronously.

In some embodiments of the present invention, the second mounting frame 230 has a downwardly extending connecting plate 231, and an adjusting spring 232 is disposed between the connecting plate 231 and the base 210; an adjusting bolt 233 penetrates through the connecting plate 231, and the adjusting bolt 233 penetrates through the adjusting spring 232 and is in threaded connection with the base 210. Specifically, the connecting plate 231 is provided with a through hole for the adjusting bolt 233 to pass through, the base 210 is provided with a threaded hole corresponding to the through hole of the connecting plate 231, and the threaded hole passes through the base 210. One end of the adjusting bolt 233 passes through the through hole of the connecting plate 231 and is screwed into the threaded hole of the base 210, and the adjusting spring 232 is sleeved on the adjusting bolt 233; two ends of the adjusting spring 232 are respectively abutted against the connecting plate 231 and the base 210. Due to the existence of the adjusting spring 232, the connecting plate 231 can always abut against the head of the adjusting bolt 233; when the adjusting bolt 233 is manually rotated to retract towards the base 210, the adjusting bolt 233 can drive the connecting plate 231 to move towards the base 210, and further drive the limiting structure 400 to move towards the workpiece, so that the workpieces with different sizes are limited.

In some embodiments of the present invention, the limiting structure 400 includes a central rod 410 and two side rods 420, and the two side rods 420 are symmetrically installed on two sides of the central rod 410 and can slide relative to the central rod 410. Specifically, an end of the central rod 410 away from the workpiece is fixedly connected to the second mounting bracket 330, for example, welded or bonded; two side rods 420 are slidably mounted in the second mounting bracket 330.

In some embodiments of the present invention, a mounting groove 234 is formed at the top of the second mounting frame 230, a limiting bolt 240 capable of sliding along the mounting groove 234 is inserted into the mounting groove 234, and the limiting bolt 240 passes through the mounting groove 234 and is connected to the side rod 420; the limit bolt 240 is used to lock the side bar 420 to the second mounting bracket 230. Specifically, as shown in fig. 4, the side rod 420 can slide relative to the central rod 410 also for adapting to different sizes of workpieces, and the distance between two adjacent columns of the workpieces with different sizes is different, so that the distance between the side rod 420 and the central rod 410 needs to be adjusted.

In some embodiments of the present invention, the mounting groove 234 is a long-strip-shaped groove, and the adjusting bolt 233 is loosened during adjustment, and then the spacing bolt 240 is locked after adjusting the distance between the side rod 420 and the central rod 410.

In some embodiments of the present invention, the end of the center rod 410 away from the second mounting rack 230 is provided with a first embedded groove 411 for limiting the workpiece, and the end of the side rod 420 away from the second mounting rack 230 is provided with a second embedded groove 421 for limiting the workpiece. The first insertion groove 411 and the second insertion groove 421 are not identical in shape according to the size of the pillar.

The utility model discloses an in some embodiments, the cell wall of first embedded groove 411 both sides is equipped with draw-in groove 412, and well core rod 410 articulates there is stopper 431, and stopper 431 can imbed in draw-in groove 412 in order to restrict the work piece in first embedded groove 411.

In some embodiments of the present invention, the central rod 410 is provided with a central lifting device 430 for driving the stopper 431 to be embedded into the slot 412. Specifically, as shown in fig. 4 and 5, the limiting block 431 is connected to the lifting end of the central lifting device 430, and the central lifting device 430 can drive the limiting block 431 to be inserted into or pulled out of the slot 412 downward or upward. The central lifting device 430 may be a pneumatic lifting device or an electric lifting device. The locking groove 412 is disposed at one end of the first insertion groove 411 close to the workpiece, and the limiting block 431 corresponds to the locking groove 412 in size. After the upright of the workpiece is inserted into the first insertion slot 411, the central lifting device 430 drives the stopper 431 to descend and insert into the slot 412, so that the workpiece can be locked at a position abutting against the arc-shaped surface of the positioning plate 130, and thus when the turntable 110 rotates, the stopper 431 can prevent the workpiece from separating from the turntable 110 under the action of centrifugal force.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like mean 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 invention. In this specification, the schematic representations of the terms used above do not necessarily 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.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a synchronous milling machine processing equipment of multistation which characterized in that includes:

the device comprises a support (100), a power device (120) and a positioning device, wherein the power device (120) is used for driving a turntable (110) to rotate around the axis of the turntable (110), the turntable (110) is used for placing a plurality of processing workpieces, and the positioning device (130) is used for pre-positioning the plurality of workpieces;

the positioning structure (200) is arranged on the turntable (110) and used for limiting and fixing the workpiece subjected to pre-positioning;

and the milling machine equipment (300) is arranged around the outer periphery of the bracket (100) and is used for processing the workpiece.

2. The machining equipment of the multi-station synchronous milling machine according to claim 1, wherein: the support (100) is provided with a top column (101) extending upwards, the top of the top column (101) is inserted into the central position of the rotary disc (110), and the rotary disc (110) can rotate around the top column (101).

3. The machining equipment of the multi-station synchronous milling machine according to claim 2, wherein: the lower surface of the turntable (110) is connected with a driven gear (111), and the driven gear (111) is sleeved on the periphery of the top column (101); the power device (120) comprises a power motor (121) and a driving gear (122), wherein the power motor (121) is used for driving the driving gear (122) to rotate, and the driving gear (122) is meshed with the driven gear (111); the driving gear (122) rotates to drive the driven gear (111) to rotate, and then the rotary disc (110) is driven to rotate around the ejection column (101).

4. The machining equipment of the multi-station synchronous milling machine according to claim 3, wherein: the lower portion of the rotary table (110) is further provided with a plurality of rolling rods (140) extending downwards to the support (100), and the plurality of rolling rods (140) are arranged around the periphery of the driven gear (111) and used for supporting the rotary table (110).

5. The machining equipment of the multi-station synchronous milling machine according to claim 2, wherein: the positioning plates (130) are arranged at intervals along the edge of the turntable (110), and arc-shaped surfaces are arranged at the ends of the positioning plates (130) to pre-position a workpiece; the arc-shaped surface is provided with a horizontal hole (131) axially penetrating through the positioning plate (130), and the ejection column (101) is provided with a discharging push rod (151) capable of penetrating into the horizontal hole (131) to push a workpiece out of the turntable (110).

6. The machining equipment of the multi-station synchronous milling machine according to claim 5, wherein: the top of the top column (101) is provided with a sliding structure (150), the discharging push rod (151) is slidably arranged on the sliding structure (150) and is connected with a driving device for driving the discharging push rod to slide along the sliding structure (150); when the driving device drives the discharging push rod (151) to slide along the sliding structure (150), the discharging push rod (151) can be driven to be inserted into the horizontal hole (131) aligned with the discharging push rod and extend out of the arc-shaped surface, so that the workpiece is pushed out of the turntable (110).

7. The machining equipment of the multi-station synchronous milling machine according to claim 1, characterized in that: the positioning structure (200) comprises a base (210) and a limiting structure (400), the base (210) is mounted on the positioning plate (130), and the limiting structure (400) is slidably mounted on the base (210); the limiting structure (400) is used for limiting and fixing the workpiece.

8. The machining equipment of the multi-station synchronous milling machine according to claim 7, wherein: one end, far away from the workpiece, of the limiting structure (400) is connected with a second mounting frame (230), a connecting plate (231) extending downwards is arranged on the second mounting frame (230), and an adjusting spring (232) is arranged between the connecting plate (231) and the base (210); an adjusting bolt (233) penetrates through the connecting plate (231), and the adjusting bolt (233) penetrates through the adjusting spring (232) and is in threaded connection with the base (210); the second mounting frame (230) can be driven to move relative to the base (210) by rotating the adjusting spring (232), and then the limiting structure (400) is driven to move synchronously.

9. The machining equipment of the multi-station synchronous milling machine according to claim 8, wherein: limiting structure (400) are including well core rod (410), well core rod (410) are kept away from the one end of second mounting bracket (230) is equipped with and is used for carrying out spacing first embedded groove (411) to the work piece, the cell wall of first embedded groove (411) both sides is equipped with draw-in groove (412), well core rod (410) are connected with stopper (431), stopper (431) can imbed in draw-in groove (412) in order to restrict the work piece in first embedded groove (411).

10. The machining equipment of the multi-station synchronous milling machine according to claim 9, wherein: the central rod (410) is provided with a central lifting device (430) for driving the limiting block (431) to be embedded into the clamping groove (412).