CN211840953U - Forming mechanism of casing machine - Google Patents

Abstract

The utility model discloses a forming mechanism of a casing machine, comprising: a workbench, an inner wall forming mechanism and an outer wall forming mechanism, wherein the inner wall forming mechanism is arranged on the workbench, and the inner wall forming mechanism can process grooves on the inner wall of the casing; The mechanism includes a vertical frame arranged on the worktable, the vertical frame is respectively provided with a first extrusion station, a second extrusion station, a first cutting station, and a second cutting station. The sleeve is moved to the workpiece manipulator of each station respectively. The first and second extrusion stations are respectively provided with extrusion mechanisms, and the first and second cutting stations are respectively provided with cutting mechanisms. The sleeve is located at the cutting mechanism. After the inner wall is processed, the workpiece manipulator is moved to each station to complete the initial extrusion, fine extrusion, and internal and external chamfering cutting respectively. The processing of the casing can be completed without manual intervention, which can reduce labor costs. The equipment is centrally set and occupies a small space, which is beneficial to the spatial layout of the workshop.

Description

Forming mechanism of casing machine

technical field

The utility model relates to the field of auto parts production equipment, in particular to a forming mechanism of a casing machine.

Background technique

The structure of the gearbox casing is shown in Figure 5 and Figure 6. One end is a laminated boss structure, and the center is a through-core structure. The forming of the casing requires many times of cutting, pressing and other processes. Traditional The process needs to be equipped with special personnel for station transfer, which requires a lot of waste of human resources, and each process equipment is set up separately, which needs to occupy a large workshop space.

Utility model content

The purpose of the present utility model is to solve at least one of the technical problems existing in the prior art, and to provide a forming mechanism for a casing machine. Each process mechanism is compact, occupies a small space, and can automatically complete each forming process, thereby reducing labor costs. .

The technical scheme adopted by the utility model to solve its technical problems is:

A forming mechanism of a casing machine, comprising: a workbench, an inner wall forming mechanism, and an outer wall forming mechanism, wherein the inner wall forming mechanism is arranged on the workbench, and the inner wall forming mechanism can process grooves on the inner wall of the casing; the outer wall The forming mechanism includes a stand arranged on the worktable, and the stand is provided with a first extrusion station, a second extrusion station, a first cutting station, and a second cutting station. There is a workpiece manipulator capable of moving the sleeve to the first extrusion station, the second extrusion station, the first cutting station and the second cutting station, respectively. The second extrusion station is respectively provided with a extrusion mechanism, the first cutting station and the second cutting station are respectively provided with a cutting mechanism, and the extrusion mechanism includes a pushing mechanism and a The extrusion die is driven and corresponds to the laminated structure of the sleeve. The cutting mechanism includes a rotating mechanism and a cutting tool bit that can be driven to rotate by the rotating mechanism and corresponds to the rear end of the sleeve.

One of the above technical solutions has at least one of the following advantages or beneficial effects: after the inner wall of the sleeve is processed at the cutting mechanism, it can be moved to the first extrusion station, the second extrusion station, the first extrusion station, and the first extrusion station by the workpiece manipulator. The first cutting station and the second cutting station respectively complete the initial extrusion, fine extrusion, and internal and external chamfering processing. The casing can be processed basically without manual intervention, which can reduce labor costs, and each process equipment is centralized. Set up, the mechanism is compact, and the space is small, which is beneficial to the spatial layout of the workshop.

According to some embodiments of the present invention, the stand includes two sets of oppositely arranged vertical plates, a processing channel is formed between the two sets of vertical plates, a first extrusion station, a second extrusion station, a first cutting station The station and the second cutting station are distributed along the processing channel, the extrusion mechanism and the cutting mechanism are arranged on the outer side of the vertical plate, and the workpiece manipulator is arranged in the processing channel, so as to transfer the casing to each station, and the structure layout is reasonable compact.

According to some embodiments of the present invention, the pressing mechanism is a hydraulic cylinder, the extrusion die is a barrel-shaped structure with a laminated structure, and the barrel-shaped structure of the extrusion die at the first extrusion station is The inner diameter is larger than the inner diameter of the barrel-shaped structure of the extrusion die at the second extrusion station, so as to complete the primary extrusion and the fine extrusion respectively.

According to some embodiments of the present invention, a rear end extrusion mechanism is provided at the second extrusion station, and the rear end extrusion mechanism is used to extrude the concave platform structure of the rear end of the sleeve.

According to some embodiments of the present invention, the rear extrusion mechanism includes an extrusion cylinder and a rear extrusion die arranged on the extrusion cylinder, and the rear extrusion die is a barrel-shaped structure corresponding to the concave platform structure. .

According to some embodiments of the present invention, the rotating mechanism is a motor mechanism, and the cutting tool head is a barrel-shaped structure or a cylindrical structure corresponding to the rear end of the sleeve, so as to facilitate the machining of the inner and outer inversion of the rear end of the sleeve. horn.

According to some embodiments of the present invention, the cutting mechanism is provided on a feeding mechanism, and the feeding mechanism can drive the cutting mechanism to approach or move away from the casing to realize cutting and feeding processing.

According to some embodiments of the present invention, the outer wall forming mechanism further includes a pressing mechanism corresponding to the first extrusion station, the second extrusion station, the first cutting station and the second cutting station, so as to It is used to fix the sleeve during extrusion or cutting to reduce the displacement of the sleeve.

According to some embodiments of the present invention, the pressing mechanism includes a pressing piston cylinder arranged on the vertical frame, an upper pressing block arranged on the piston rod of the pressing piston cylinder, fixed on the worktable and connected with the upper pressing block. The lower pressure block corresponding to the block, the upper pressure block and the lower pressure block are respectively provided with semicircular positioning grooves corresponding to the casing, when the workpiece manipulator moves the casing to the corresponding station, the upper pressure block, the lower pressure The cooperation of the pressing block can compress the casing so as to facilitate the processing of the casing.

According to some embodiments of the present invention, a pin positioning mechanism is provided between the upper pressure block and the lower pressure block, so as to improve the matching accuracy between the upper pressure block and the lower pressure block, and improve the compression Stability when casing.

According to some embodiments of the present invention, the workpiece manipulator includes a lift table slidably arranged on a vertical frame, a lift drive mechanism capable of driving the lift table to move up and down, a gripping hand frame slidably arranged on the lift table, and capable of driving a clamp The traverse drive mechanism for the lateral movement of the gripper frame, and the gripper hand mechanism arranged on the gripper handle, realize the two-axis movement of the gripper hand mechanism through the lift drive mechanism and the traverse drive mechanism to meet the transfer requirements of the casing .

According to some embodiments of the present invention, the lift drive mechanism is a motor-driven screw mechanism, the traverse drive mechanism is a cylinder mechanism, and the lift drive mechanism can also be a rack and pinion mechanism, a cylinder mechanism, etc., The traverse drive mechanism can also be a motor-driven screw mechanism or the like.

According to some embodiments of the present invention, the gripping hand mechanism is configured with five groups, the intervals between the first extrusion station, the second extrusion station, the first cutting station and the second cutting station are equal, and The interval between adjacent gripping hand mechanisms is equal to the interval between the first extrusion station, the second extrusion station, the first cutting station and the second cutting station, and the four groups of gripping hand mechanisms are respectively Corresponding to the first extrusion station, the second extrusion station, the first cutting station and the second cutting station, the clamping hand mechanism located at the edge is used to take the casing after processing the inner wall and send out the finished casing , so that the traverse drive mechanism only needs to move a fixed stroke to realize the transfer of the sleeve between each station, simplify the structure of the workpiece manipulator, and improve the work efficiency.

According to some embodiments of the present invention, a limiting mechanism is arranged at the first extrusion station, the limiting mechanism is arranged opposite the extrusion mechanism, and the limiting mechanism includes a limiting piston cylinder and a limiting mechanism arranged at a limiting position. The limit block on the piston rod of the piston cylinder, because the maximum deformation of the casing during the first extrusion molding is also the largest, so by configuring the limit mechanism to push the rear end of the casing to reduce the casing being pushed and moved backward situation occurs.

According to some embodiments of the present invention, the inner wall forming mechanism includes a cross table set on the work table, a workpiece clamping mechanism provided on the cross table, and an inner wall cutting mechanism provided on the work table, the inner wall cutting The mechanism includes an inner wall cutting and feeding mechanism, an inner wall cutting and rotating mechanism that can be driven and moved by the inner wall cutting and feeding mechanism, and an inner wall cutting tool head that can be driven and rotated by the inner wall cutting and rotating mechanism. The cross table is driven by a motor screw rod. The electric cross table is used to realize the two-axis movement of the casing. The workpiece clamping mechanism is a pneumatic clamping hand or a hydraulic chuck or a pneumatic chuck. The inner wall cutting and feeding mechanism includes a lifting mechanism driven by a screw rod. and an axial drive mechanism driven by a screw rod, so that the inner wall of the casing can be cut obliquely to machine an annular groove on the inner wall of the casing, so as to facilitate the extrusion of the end of the casing.

Description of drawings

Below in conjunction with accompanying drawing and embodiment, the utility model is further described;

Fig. 1 is the structural representation of the specific embodiment of the utility model;

Fig. 2 is the exploded schematic diagram of the specific embodiment of the utility model;

3 is a schematic structural diagram of an outer wall forming mechanism according to a specific embodiment of the present invention;

4 is an exploded schematic view of an outer wall forming mechanism according to a specific embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of a sleeve according to a specific embodiment of the present invention;

FIG. 6 is a partial enlarged schematic view of part A in FIG. 5 .

Detailed ways

This part will describe the specific embodiments of the present invention in detail, and the preferred embodiments of the present invention are shown in the accompanying drawings. Understand each technical feature and overall technical solution of the present invention, but it should not be construed as a limitation on the protection scope of the present invention.

In the description of the present utility model, it should be understood that the orientation descriptions related to orientations, such as up, down, front, rear, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings, only It is for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the description of the present utility model, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceeding, etc. are understood as not including this number, above, below, within, etc. are understood as including this number. If it is described that the first and the second are only for the purpose of distinguishing technical features, it cannot be understood as indicating or implying relative importance, or indicating the number of the indicated technical features or the order of the indicated technical features. relation.

In the description of the present invention, unless otherwise clearly defined, words such as setting, installation, connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution .

As shown in the figure, a forming mechanism of a casing machine includes: a workbench 100, an inner wall forming mechanism, and an outer wall forming mechanism. The inner wall forming mechanism is arranged on the workbench 100, and the inner wall forming mechanism can process grooves on the inner wall of the casing; The outer wall forming mechanism includes a stand 310 arranged on the workbench 100. The stand 310 is respectively provided with a first extrusion station, a second extrusion station, a first cutting station, and a second cutting station. 310 is provided with a workpiece manipulator 320 capable of moving the sleeve 900 to the first extrusion station, the second extrusion station, the first cutting station and the second cutting station, respectively. The second extrusion station is provided with a extrusion mechanism 330 respectively, and the first cutting station and the second cutting station are respectively provided with a cutting mechanism 340. The extrusion mechanism 330 includes a pushing mechanism 331 and can be driven by the pushing mechanism 331 The extrusion die 332 is driven and corresponds to the laminated structure 901 of the sleeve 900. The cutting mechanism 340 includes a rotating mechanism 341 and a cutting head 342 that can be driven to rotate by the rotating mechanism 341 and corresponds to the rear end of the sleeve 900. The sleeve is in After the inner wall is processed at the cutting mechanism 340, it can be moved to the first extrusion station, the second extrusion station, the first cutting station and the second cutting station by the workpiece manipulator 320 to complete the initial extrusion and fine extrusion respectively. Pressing, internal and external chamfering machining, the casing can be processed basically without manual intervention, which can reduce labor costs, and each process equipment is set centrally, the mechanism is compact, and the space is small, which is conducive to the spatial layout of the workshop.

According to some embodiments of the present invention, as shown in FIG. 3 and FIG. 4 , the stand 310 includes two sets of vertical plates 311 arranged opposite to each other, and the two sets of vertical plates 311 are arranged at intervals between the two sets of vertical plates 311 to form a processing channel , the first extrusion station, the second extrusion station, the first cutting station and the second cutting station are distributed along the processing channel, the extrusion mechanism 330 and the cutting mechanism 340 are arranged on the outside of the vertical plate 311, and the workpiece manipulator The 320 is arranged in the processing channel, so that the casing can be transferred to each station, and the structure layout is reasonable and compact.

According to some embodiments of the present invention, as shown in FIG. 4 , the pressing mechanism 331 is a hydraulic cylinder, the extrusion die 332 is a barrel-shaped structure with the laminated structure 901 , wherein the extrusion at the first extrusion station The inner diameter of the barrel-shaped structure of the die 332 is larger than the inner diameter of the barrel-shaped structure of the extrusion die 332 at the second extrusion station, so as to complete the primary extrusion and the finishing extrusion, respectively.

Of course, in the specific implementation process, the pushing mechanism 331 may also be a cylinder mechanism or a screw mechanism driven by a motor, which will not be described in detail here.

According to some embodiments of the present invention, as shown in FIG. 4 , a rear end extrusion mechanism 380 is provided at the second extrusion station, and the rear end extrusion mechanism 380 is used to extrude the concave platform structure at the rear end of the sleeve 900 . 902.

According to some embodiments of the present invention, as shown in FIG. 4 , the rear extrusion mechanism 380 includes an extrusion cylinder 381 and a rear extrusion die arranged on the extrusion cylinder 381 , and the rear extrusion die is in a concave structure. 902 corresponds to the barrel-shaped structure, during operation, the rear extrusion die is pushed to the rear end of the sleeve 900, and the rear end of the sleeve 900 is extruded through the rear extrusion die of the barrel-shaped structure and deformed to the desired concave platform structure 902 .

Of course, in the specific implementation process, the rear end pressing mechanism 380 may also be driven by a cylinder mechanism or a motor-driven screw mechanism, which will not be described in detail here.

According to some embodiments of the present invention, as shown in FIG. 4 , the rotating mechanism 341 is a motor mechanism, and the cutting head 342 is a barrel-shaped structure or a cylindrical structure corresponding to the rear end of the sleeve 900 , so as to facilitate the processing of the sleeve. For the inner and outer chamfering of the rear end of the 900, of course, in the specific implementation process, a milling cutter or a turning tool can also be used for cutting the inner and outer chamfering, which will not be described in detail here.

According to some embodiments of the present invention, as shown in FIGS. 3 and 4 , the cutting mechanism 340 is disposed on a feeding mechanism 370 , and the feeding mechanism 370 can drive the cutting mechanism 340 to approach or move away from the sleeve 900 to realize the inner and outer Cutting feed for chamfering.

Of course, in the specific implementation process, the feed processing can also be realized by moving the sleeve by the workpiece manipulator 320, which will not be described in detail here.

According to some embodiments of the present invention, as shown in FIGS. 2 and 4 , the outer wall forming mechanism further includes a first extrusion station, a second extrusion station, a first cutting station and a second cutting station corresponding to The configured pressing mechanism 350 is convenient for fixing the sleeve during extrusion or cutting, so as to reduce the displacement of the sleeve and ensure the processing accuracy.

According to some embodiments of the present invention, as shown in FIG. 4 , the pressing mechanism 350 includes a pressing piston cylinder 351 arranged on the stand 310 , an upper pressing block 352 arranged on a piston rod of the pressing piston cylinder 351 , The lower pressing block 353 is fixed on the worktable 100 and corresponds to the upper pressing block 352. The upper pressing block 352 and the lower pressing block 353 are respectively provided with semicircular positioning grooves 354 corresponding to the casing 900. When the workpiece manipulator 320 pushes the casing When moving to the corresponding station, the sleeve can be compressed by the cooperation of the upper pressing block 352 and the lower pressing block 353, so as to facilitate the processing of the sleeve.

Of course, in the specific implementation process, the pressing mechanism 350 may also be a pneumatic clamping hand, a hydraulic chuck, or a pneumatic chuck, etc., which will not be described in detail here.

According to some embodiments of the present invention, as shown in FIG. 4 , a pin positioning mechanism 355 is provided between the upper pressure block 352 and the lower pressure block 353 to improve the matching accuracy between the upper pressure block 352 and the lower pressure block 353 , Improve the stability when pressing the casing, and avoid crushing the catheter.

According to some embodiments of the present invention, as shown in FIG. 4 , the workpiece manipulator 320 includes a lift table 321 slidably arranged on the stand 310 , a lift drive mechanism 322 capable of driving the lift table 321 to move up and down, and a lift table 321 slidably arranged on the lift table 321 . The gripping hand frame 323, the traverse drive mechanism 324 capable of driving the gripping hand frame 323 to move laterally, and the gripping hand mechanism 325 arranged on the gripping hand frame 323, through the lifting drive mechanism 322 and the traverse drive mechanism 324 , realize the two-axis movement of the gripping hand mechanism 325, and meet the transfer requirements of the casing.

Of course, in the specific implementation process, the workpiece manipulator 320 can also be a three-axis or other multi-axis manipulator, which can also realize the movement of the catheter 900 between various workstations, which will not be described in detail here.

According to some embodiments of the present invention, as shown in FIG. 4 , the gripping hand mechanism 325 is configured with five groups, a first extrusion station, a second extrusion station, a first cutting station and a second cutting station The interval between them is equal, and the interval between the adjacent gripping hand mechanisms 325 is equal to the interval between the first extrusion station, the second extrusion station, the first cutting station and the second cutting station , the four groups of gripping hand mechanisms 325 correspond to the first extrusion station, the second extrusion station, the first cutting station and the second cutting station, respectively, and the gripping hand mechanism 325 located at the edge is used to take the finished The sleeve 900 behind the inner wall and the finished sleeve 900 are sent out, so that the traverse drive mechanism 324 only needs to move a fixed stroke to realize the transfer of the sleeve between each station, simplify the structure of the workpiece manipulator 320, and improve the working efficiency. efficiency.

Of course, in the specific implementation process, less than five groups of gripping hand mechanisms 325 may be configured, and the transfer of the sleeve 900 between various stations can also be realized, which will not be described in detail here.

According to some embodiments of the present invention, as shown in FIG. 4 , the lift driving mechanism 322 is a screw mechanism driven by a motor, and the traverse driving mechanism 324 is a cylinder mechanism.

Of course, in the specific implementation process, the lift drive mechanism 322 can also be a rack and pinion mechanism, a cylinder mechanism, etc., and the traverse drive mechanism 324 can also be a motor-driven screw mechanism, which is not described in detail here.

According to some embodiments of the present invention, as shown in FIG. 4 , the gripping hand mechanism 325 is a pneumatic gripping hand. Of course, in the specific implementation process, an electric gripping hand can also be used, which will not be described in detail here.

According to some embodiments of the present invention, as shown in FIG. 4 , a limiting mechanism 360 is disposed at the first extrusion station, the limiting mechanism 360 is disposed opposite the extrusion mechanism 330 , and the limiting mechanism 360 includes a limiting piston cylinder 361 and the limit block arranged on the piston rod of the limit piston cylinder 361, since the maximum deformation of the sleeve is also the largest during the first extrusion molding, so by configuring the limit mechanism 360 to press the rear end of the sleeve to reduce This happens when the casing is pushed back.

According to some embodiments of the present invention, as shown in FIGS. 1 and 2 , the inner wall forming mechanism includes a cross table 210 arranged on the table 100 , a workpiece clamping mechanism 220 arranged on the cross table 210 , The inner wall cutting mechanism on the worktable 100 includes an inner wall cutting feeding mechanism 231 , an inner wall cutting rotating mechanism 232 that can be driven and moved by the inner wall cutting feeding mechanism 231 , and an inner wall cutting tool that can be driven and rotated by the inner wall cutting and rotating mechanism 232 . The head 233, the cross table 210 is an electric cross table driven by a motor screw to realize the two-axis movement of the casing, the workpiece clamping mechanism 220 is a pneumatic clamping hand or a hydraulic chuck or a pneumatic chuck, etc., the inner wall is cut The feeding mechanism 231 includes a lifting mechanism driven by a screw rod and an axial driving mechanism driven by a screw rod, so that the inner wall cutting bit 233 is used to cut an annular groove on the inner wall of the casing to facilitate the extrusion of the end of the casing. .

Of course, in the specific implementation process, the inner wall forming mechanism 200 can also be a pressing structure, a wave-shaped pressing die is provided, and a wave-shaped structure is pressed at the end of the sleeve, which can also meet the requirements of extrusion molding. Not detailed.

Those skilled in the art can easily understand that, under the premise of no conflict, the above preferred modes can be freely combined and superimposed.

The embodiments of the present utility model are described in detail above in conjunction with the accompanying drawings, but the present utility model is not limited to the above-mentioned embodiments, and can also be made without departing from the purpose of the present utility model within the scope of knowledge possessed by those of ordinary skill in the technical field. Various changes.

Claims (10)

1. Forming mechanism of jacketing machine, its characterized in that includes:

a table (100);

the inner wall forming mechanism is arranged on the workbench (100), and a groove can be machined in the inner wall of the inner wall forming mechanism;

the outer wall forming mechanism comprises a vertical frame (310) arranged on a workbench (100), wherein a first extrusion station, a second extrusion station, a first cutting station and a second cutting station are respectively arranged on the vertical frame (310), a workpiece manipulator (320) capable of respectively moving a sleeve (900) to the first extrusion station, the second extrusion station, the first cutting station and the second cutting station is arranged on the vertical frame (310), the first extrusion station and the second extrusion station are respectively provided with an extrusion mechanism (330), the first cutting station and the second cutting station are respectively provided with a cutting mechanism (340), the extrusion mechanism (330) comprises a pushing mechanism (331) and an extrusion die (332) which can be driven by the pushing mechanism (331) and corresponds to a laminated structure (901) of the sleeve (900), the cutting mechanism (340) comprises a rotating mechanism (341) and a rotating mechanism (341) which can be driven to rotate and can be driven to rotate, and the cutting mechanism (340) can be driven to rotate A cutting bit (342) corresponding to the rear end of the sleeve (900).

2. The forming mechanism of the jacketing machine of claim 1,

the vertical frame (310) comprises two groups of vertical plates (311) which are arranged oppositely, a machining channel is formed between the two groups of vertical plates (311), the first extrusion station, the second extrusion station, the first cutting station and the second cutting station are distributed along the machining channel, the extrusion mechanism (330) and the cutting mechanism (340) are arranged on the outer sides of the vertical plates (311), and the workpiece manipulator (320) is arranged in the machining channel.

3. The forming mechanism of the jacketing machine of claim 1,

the second extrusion station is provided with a rear end extrusion mechanism (380), the rear end extrusion mechanism (380) is used for extruding a concave table structure (902) at the rear end of the sleeve (900), and the rear end extrusion mechanism (380) comprises an extrusion oil cylinder (381) and a rear extrusion die arranged on the extrusion oil cylinder (381).

4. The forming mechanism of the jacketing machine of claim 1,

the outer wall forming mechanism further comprises a pressing mechanism (350) which is correspondingly configured with the first extrusion station, the second extrusion station, the first cutting station and the second cutting station.

5. The forming mechanism of the jacketing machine of claim 4,

the pressing mechanism (350) comprises a pressing piston cylinder (351) arranged on the stand (310), an upper pressing block (352) arranged on a piston rod of the pressing piston cylinder (351), and a lower pressing block (353) fixed on the workbench (100) and corresponding to the upper pressing block (352), wherein semicircular positioning grooves (354) corresponding to the sleeve (900) are respectively arranged on the upper pressing block (352) and the lower pressing block (353).

6. The forming mechanism of the jacketing machine of claim 5,

a pin positioning mechanism (355) is arranged between the upper pressing block (352) and the lower pressing block (353).

7. The forming mechanism of the jacketing machine of claim 1,

the workpiece manipulator (320) comprises a lifting platform (321) which is arranged on the vertical frame (310) in a sliding mode, a lifting driving mechanism (322) which can drive the lifting platform (321) to move up and down, a clamping hand frame (323) which is arranged on the lifting platform (321) in a sliding mode, a transverse moving driving mechanism (324) which can drive the clamping hand frame (323) to move transversely, and a clamping hand mechanism (325) which is arranged on the clamping hand frame (323).

8. The forming mechanism of the jacketing machine of claim 1,

a limiting mechanism (360) is configured at the first extrusion station, the limiting mechanism (360) is arranged opposite to the extrusion mechanism (330), and the limiting mechanism (360) comprises a limiting piston cylinder (361) and a limiting block arranged on a piston rod of the limiting piston cylinder (361).

9. The forming mechanism of the jacketing machine of claim 1,

the cutting mechanism (340) is arranged on a feeding mechanism (370), and the feeding mechanism (370) can drive the cutting mechanism (340) to be close to or far away from the sleeve (900).

10. The forming mechanism of the jacketing machine of claim 1,

the inner wall forming mechanism comprises a cross workbench (210) arranged on the workbench (100), a workpiece clamping mechanism (220) arranged on the cross workbench (210), and an inner wall cutting mechanism arranged on the workbench (100), wherein the inner wall cutting mechanism comprises an inner wall cutting feed mechanism (231), an inner wall cutting rotary mechanism (232) capable of being driven to move by the inner wall cutting feed mechanism (231) and an inner wall cutting tool bit (233) capable of being driven to rotate by the inner wall cutting rotary mechanism (232).

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