Automatic exchange tray of exchange workbench

Abstract

The invention relates to the technical field of machining auxiliary equipment, and provides an automatic exchange tray of an exchange workbench, the automatic exchange tray comprises an exchange seat, an exchange power mechanism, an exchange frame and a bidirectional material taking frame, a cylindrical exchange box is arranged on the exchange seat, an exchange partition plate is arranged in the cylindrical exchange box, and a planet transposition mechanism is arranged on the exchange partition plate in a penetrating manner; a plurality of tray material carrying sets are arranged on the planet transposition mechanism at equal angles and used for positioning trays for bearing workpieces, the exchange power mechanism is arranged on the exchange base, the exchange power mechanism is connected with the planet transposition mechanism and used for driving the workpieces to rotate, and the exchange frame is arranged on the exchange base in a sliding mode. The problems that in the prior art, when an automatic exchange tray of an exchange workbench is used for machining workpieces which are high in machining rhythm requirement and short in machining time, the exchange time is long, and the overall production efficiency is affected are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of machining auxiliary equipment, and in particular to an automatic exchange pallet of an exchange workbench. Background Art

[0002] In the field of modern machining, in order to improve production efficiency, automatic exchange pallets of exchange worktables have been widely used. Currently, the most common automatic exchange pallets are mainly of two types: rotary and parallel moving. The rotary automatic exchange pallet usually consists of a circular pallet base and multiple pallets mounted on it. The pallet base can rotate around the central axis. By rotating it to different angles, the pallets carrying different workpieces are rotated to the processing position in sequence. The advantage of this structure is that its layout is relatively compact and occupies less space. When there are a large number of pallets, it can achieve more flexible workpiece switching. However, its rotation process needs to overcome a certain amount of inertia, and the positioning process requires precise mechanical and electrical control to ensure that the pallet can accurately stop at the processing position. This rotation and positioning process often takes a certain amount of time.

[0003] The parallel moving automatic exchange pallet uses devices such as linear guides to translate the pallet in a straight line, thereby achieving pallet exchange. This type of automatic exchange pallet is relatively simple in structure, easy to understand and maintain, and its translation process is relatively smooth. However, since the pallet needs to be translated over a long distance on the guide rail and needs to be precisely docked with the processing area during the translation process, this also leads to a longer exchange time.

[0004] However, for some processes that require high processing cycles and extremely short processing times, the exchange time of the existing automatic pallet exchange system is too long, causing the machine tool to be in a waiting state to a certain extent, greatly affecting the overall production efficiency. Summary of the Invention

[0005] The present invention proposes an automatic exchange pallet for an exchange workbench to solve the problem raised in the background art that the automatic exchange pallet for the exchange workbench in the prior art has a long exchange time when processing workpieces with high processing cycle requirements and short processing time, thereby affecting the overall production efficiency.

[0006] The technical solution of the present invention is as follows: the automatic exchange pallet of the exchange workbench includes an exchange seat, an exchange power mechanism, an exchange rack and a two-way material taking rack;

[0007] A cylindrical exchange box is provided on the exchange seat, an exchange partition plate is provided in the cylindrical exchange box, a planetary exchange mechanism is provided through the exchange partition plate, and a plurality of tray loading groups are provided at equal angles on the planetary exchange mechanism for positioning the trays carrying workpieces;

[0008] The exchange power mechanism is arranged on the exchange seat, and the exchange power mechanism is connected to the planetary transposition mechanism to drive the workpiece to rotate;

[0009] The exchange rack is slidably arranged on the exchange seat, and a synchronous positioning mechanism for driving the exchange rack to reciprocate is provided between the exchange rack and the exchange power mechanism;

[0010] The bidirectional material taking rack is arranged on the exchange rack through a material taking mechanism. Clamping components are symmetrically arranged on both sides of the bidirectional material taking rack for clamping the pallet carrying the workpiece and exchanging the pallet.

[0011] As a preferred technical solution of the present invention, the planetary shift mechanism includes a planetary gear ring, a shifting rod, a sun gear, a drive plate and a plurality of planetary gears;

[0012] The planetary gear ring is arranged on the inner wall of the cylindrical exchange box;

[0013] The transposition rotating rod is penetrated and rotatably arranged between the exchange rack and the exchange seat;

[0014] The sun gear is arranged on the transposition rotating rod;

[0015] The driving disc is rotatably arranged in the cylindrical exchange box, and the tray loading assembly is arranged on the driving disc;

[0016] The planetary gear is meshed between the sun gear and the planetary gear, and one end of the planetary gear is rotatably disposed on the driving disk to drive the driving disk to rotate.

[0017] On the basis of the above solution, the pallet loading group includes a loading column and a pallet limiting seat;

[0018] The loading column is arranged on the driving disc;

[0019] The tray limiting seat is arranged on the loading column, and the upper surface of the tray limiting seat is provided with a limiting groove adapted to the bottom of the tray.

[0020] On the basis of the above scheme, the exchange power mechanism includes a power motor, a bevel gear 1 and a bevel gear 2;

[0021] The power motor is installed on the exchange seat;

[0022] The bevel gear 1 is arranged on the output end of the power motor;

[0023] The second bevel gear is arranged on the transposition rotating rod, and the second bevel gear is meshed with the first bevel gear.

[0024] As a preferred technical solution of the present invention, the synchronous positioning mechanism includes a reciprocating positioning screw, a gearbox and a bevel gear.

[0025] The reciprocating position adjusting screw is rotatably arranged on the exchange seat, and a position adjusting ball nut group is threadedly connected to the reciprocating position adjusting screw, and the position adjusting ball nut group is connected to the exchange frame;

[0026] The gearbox is mounted on the exchange seat, and the output end of the gearbox is connected to one end of the reciprocating adjustment screw;

[0027] The bevel gear three is arranged on the input end of the gearbox, and the bevel gear three is meshed with the bevel gear two.

[0028] On the basis of the above scheme, the material taking mechanism includes a longitudinal adjustment material taking part and a rotation adjustment material taking part;

[0029] The longitudinal adjustment material taking part is arranged on the exchange rack, and is used for longitudinally moving the bidirectional material taking rack;

[0030] The rotary material-taking part is arranged on the longitudinal material-taking part and is used for rotating and adjusting the bidirectional material-taking rack. The bidirectional material-taking rack is arranged on the longitudinal material-taking part.

[0031] Further on the basis of the above solution, the longitudinal adjustment material taking part includes a longitudinal adjustment cylinder;

[0032] The longitudinal adjustment cylinder is installed on the exchange rack, and the transfer material taking part is arranged on the output end of the longitudinal adjustment cylinder.

[0033] Further on the basis of the above solution, the transfer material taking part includes a transfer frame and a transfer motor;

[0034] The transfer frame is arranged on the output end of the longitudinal adjustment cylinder;

[0035] The transfer motor is installed in the transfer frame, and the bidirectional material taking rack is connected to the output end of the transfer motor.

[0036] On the basis of the above solution, the clamping assembly includes two symmetrically arranged clamping parts;

[0037] The clamping part includes a clamping cylinder, a clamping positioning block and a plurality of clamping limiting rods;

[0038] The clamping cylinder is arranged on one side of the bidirectional material taking rack;

[0039] The clamping positioning block is arranged on the output end of the clamping cylinder;

[0040] The material clamping limiting rod is slidably arranged on the two-way material taking frame and is connected to one end of the material clamping positioning block, so as to improve the stability of the movement of the material clamping positioning block.

[0041] Further on the basis of the above scheme, the exchange partition plate divides the cylindrical exchange box into an exchange area and a power area, the planetary gear ring, the sun gear and the drive plate are located in the exchange area, and the exchange power mechanism is located in the power area.

[0042] The beneficial effects of the present invention are:

[0043] 1. In the present invention, through the coordinated operation of the planetary transposition mechanism and the exchange power mechanism, the planetary gear ring, transposition rotating rod, sun gear, drive plate and multiple planetary gears in the planetary transposition mechanism cooperate with each other, and the transposition rotating rod is driven to rotate under the cooperation of the power motor, bevel gear 1 and bevel gear 2, thereby driving the sun gear to rotate, so that the planetary gears revolve around the sun gear and rotate on their own, driving the drive plate to rotate, and realizing the transposition of the pallet loading group. Compared with the traditional pallet exchange method, this design can quickly and stably switch the pallet position, greatly improving work efficiency.

[0044] 2. In the present invention, by setting up a pallet loading group, a limiting groove that is compatible with the bottom of the pallet is opened on the pallet limiting seat, which can fit tightly to the bottom of the pallet, effectively preventing the pallet from being displaced or shaken during the replacement process, ensuring the stability of the workpiece during the exchange process, and providing a reliable foundation for subsequent processing or treatment.

[0045] 3. In the present invention, a synchronous positioning mechanism, a material taking mechanism and a material clamping assembly are provided. The synchronous positioning mechanism is associated with the exchange power mechanism. When the position of the pallet loading group is adjusted, the reciprocating positioning screw is driven to rotate by the gearbox, so that the exchange rack can be automatically reciprocated. By adjusting the speed of the output end of the gearbox, when the pallet loading assembly moves one position, the material clamping assembly just performs one round of reciprocating motion and stays above the pallet loading group, which is convenient for clamping and exchanging the pallet. When the pallet loading assembly is exchanged, an intermittent drive is required. During the intermittent period, the positions of the material taking assembly and the material clamping assembly can be adjusted, so that the workpiece to be processed and the workpiece after processing can be exchanged respectively, which is convenient for replacing the workpiece.

[0046] 4. In the present invention, through the cooperation of the material picking mechanism and the clamping assembly, the longitudinal adjustment cylinder of the longitudinal adjustment material picking part can realize the longitudinal movement of the bidirectional material picking rack, the rotation frame and the rotation motor of the rotation material picking part can rotate and adjust the bidirectional material picking rack, and the two symmetrically arranged clamping parts of the clamping assembly can stably clamp the pallet through the cooperation of the clamping cylinder, the clamping positioning block and the clamping limit rod. This flexible material picking and clamping operation is suitable for pallets of various specifications and shapes, which enhances the versatility and adaptability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0048] Figure 1 It is a schematic diagram of the structure of the present invention as a whole with a tray;

[0049] Figure 2 It is a schematic structural diagram of a partial cross-section of the present invention;

[0050] Figure 3 For the present invention Figure 2 A schematic diagram of the partially enlarged structure at point A in the middle;

[0051] Figure 4 For the present invention Figure 2 Schematic diagram of the partially enlarged structure at point B in the middle

[0052] Figure 5 It is a structural diagram of the exchange rack, the material taking mechanism and the material clamping assembly cooperating to clamp a pallet in the present invention;

[0053] Figure 6 It is a schematic diagram of the structure of the cylindrical exchange box, planetary gear ring, sun gear and planetary gear in the present invention.

[0054] In the figure: 001, planetary switching mechanism; 002, tray loading group; 003, exchange power mechanism; 004, synchronous adjustment mechanism; 005, material taking mechanism; 006, clamping assembly;

[0055] 1. Exchange seat; 2. Cylindrical exchange box; 3. Exchange partition plate; 4. Exchange rack; 5. Bidirectional material pick-up rack; 6. Planetary gear ring; 7. Transposition rod; 8. Sun gear; 9. Drive plate; 10. Planetary gear; 11. Loading column; 12. Tray limit seat; 13. Limit slot; 14. Power motor; 15. Bevel gear 1; 16. Bevel gear 2; 17. Reciprocating adjustment screw; 18. Adjustment ball nut assembly; 19. Gearbox; 20. Bevel gear 3; 21. Vertical adjustment cylinder; 22. Adjustment frame; 23. Adjustment motor; 24. Clamping cylinder; 25. Clamping positioning block; 26. Clamping limit rod. DETAILED DESCRIPTION

[0056] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0057] like Figures 1 to 6 As shown, this embodiment proposes an automatic exchange pallet of an exchange workbench, including an exchange seat 1, an exchange power mechanism 003, an exchange rack 4 and a two-way material taking rack 5.

[0058] As mentioned above, a cylindrical exchange box 2 is provided on the exchange seat 1, an exchange partition plate 3 is provided in the cylindrical exchange box 2, a planetary exchange mechanism 001 is provided through the exchange partition plate 3, and a plurality of pallet loading groups 002 are provided at equal angles on the planetary exchange mechanism 001 for positioning the pallet carrying the workpiece, the planetary exchange mechanism 001 includes a planetary gear ring 6, a transposition rotating rod 7, a sun gear 8, a drive disk 9 and a plurality of planetary gears 10, the planetary gear ring 6 is provided on the inner wall of the cylindrical exchange box 2, the transposition rotating rod 7 passes through and is rotatably provided between the exchange frame 4 and the exchange seat 1, the sun gear 8 is provided on the transposition rotating rod 7, the drive disk 9 is rotatably provided in the cylindrical exchange box 2, the pallet loading group 002 is provided on the drive disk 9, the planetary gear 10 is engaged between the sun gear 8 and the planetary gear 10, and one end of the planetary gear 10 is rotatably provided on the drive disk 9 for driving the drive disk 9 to rotate.

[0059] Specifically, when the transposition rod 7 rotates, the transposition rod 7 drives the sun gear 8 to rotate, and the rotation of the sun gear 8 drives multiple planetary gears 10 to revolve and rotate. When the planetary gears 10 revolve, they drive the drive disk 9 to rotate. The rotation of the drive disk 9 drives the tray loading group 002 to move, and the position of the tray loading group 002 is transposed.

[0060] As mentioned above, the pallet loading group 002 includes a loading column 11 and a pallet limiting seat 12. The loading column 11 is arranged on the driving disk 9, and the pallet limiting seat 12 is arranged on the loading column 11. The upper surface of the pallet limiting seat 12 is provided with a limiting groove 13 adapted to the bottom of the pallet.

[0061] Specifically, a limiting groove 13 adapted to the bottom of the pallet is provided on the pallet limiting seat 12, which can fit tightly to the bottom of the pallet, effectively preventing the pallet from shifting or shaking during the replacement process, ensuring the stability of the workpiece during the exchange process, and providing a reliable foundation for subsequent processing or treatment.

[0062] This application, by setting up a planetary transposition mechanism 001, is different from a single-axis drive and solves the pain points of high inertia, low precision, and high maintenance cost of a single-axis drive. It is especially suitable for high-speed processing scenarios with strict requirements on cycle time and positioning accuracy.

[0063] As mentioned above, the exchange power mechanism 003 is arranged on the exchange seat 1, and the exchange power mechanism 003 is connected to the planetary transposition mechanism 001 to drive the workpiece to rotate. The exchange power mechanism 003 includes a power motor 14, a bevel gear 15 and a bevel gear 2 16. The power motor 14 is installed on the exchange seat 1, the bevel gear 1 15 is arranged on the output end of the power motor 14, the bevel gear 2 16 is arranged on the transposition rod 7, and the bevel gear 2 16 is engaged with the bevel gear 1 15.

[0064] Specifically, the power motor 14 is started, and the output end of the power motor 14 drives the bevel gear 15 to rotate. The rotation of the bevel gear 15 drives the bevel gear 2 16 to rotate. The rotation of the bevel gear 2 16 can drive the transposition rod 7 to rotate to adjust the position of the tray loading group 002.

[0065] As mentioned above, the exchange rack 4 is slidingly arranged on the exchange seat 1, and a synchronous positioning mechanism 004 for driving the exchange rack 4 to reciprocate is arranged between the exchange rack 4 and the exchange power mechanism 003. The synchronous positioning mechanism 004 includes a reciprocating positioning screw 17, a gearbox 19 and a bevel gear three 20. The reciprocating positioning screw 17 is rotatably arranged on the exchange seat 1. The reciprocating positioning screw 17 is threadedly connected with a positioning ball nut group 18. The positioning ball nut group 18 is connected to the exchange rack 4. The gearbox 19 is installed on the exchange seat 1. The output end of the gearbox 19 is connected to one end of the reciprocating positioning screw 17. The bevel gear three 20 is arranged on the input end of the gearbox 19, and the bevel gear three 20 is engaged with the bevel gear two 16.

[0066] Specifically, when bevel gear 2 16 rotates, bevel gear 2 16 also drives bevel gear 3 20 to rotate. The rotation of bevel gear 3 20 drives the input end of gearbox 19 to rotate. By adjusting the speed of bevel gear 2 16 by gearbox 19, the output end of gearbox 19 drives the reciprocating adjustment screw 17 to rotate, so that the adjustment ball nut group 18 performs linear reciprocating motion on the reciprocating adjustment screw 17. The movement of the adjustment ball nut group 18 drives the exchange rack 4 to move.

[0067] As mentioned above, the exchange partition plate 3 divides the cylindrical exchange box 2 into an exchange area and a power area. The planetary gear ring 6, the sun gear 8 and the drive plate 9 are located in the exchange area, and the exchange power mechanism 003 is located in the power area.

[0068] As mentioned above, the bidirectional material picking rack 5 is arranged on the exchange rack 4 through the material picking mechanism 005. The two sides of the bidirectional material picking rack 5 are symmetrically provided with clamping components 006, which are used to clamp the pallet carrying the workpiece and exchange the pallet. The material picking mechanism 005 includes a longitudinal adjustment material picking part and a rotational adjustment material picking part. The longitudinal adjustment material picking part is arranged on the exchange rack 4, and is used to move the bidirectional material picking rack 5 longitudinally. The rotational adjustment material picking part is arranged on the longitudinal adjustment material picking part, and is used to rotate and adjust the bidirectional material picking rack 5. The bidirectional material picking rack 5 is arranged on the longitudinal adjustment material picking part.

[0069] The longitudinal adjustment material taking part includes a longitudinal adjustment cylinder 21 , which is mounted on the exchange rack 4 , and the rotary adjustment material taking part is arranged on the output end of the longitudinal adjustment cylinder 21 .

[0070] The transfer and retrieving part includes a transfer frame 22 and a transfer motor 23 . The transfer frame 22 is arranged on the output end of the longitudinal adjustment cylinder 21 . The transfer motor 23 is installed in the transfer frame 22 . The bidirectional retrieving rack 5 is connected to the output end of the transfer motor 23 .

[0071] Among them, the material clamping component 006 includes two symmetrically arranged material clamping parts, the material clamping parts include a material clamping cylinder 24, a material clamping positioning block 25 and a plurality of material clamping limit rods 26, the material clamping cylinder 24 is arranged on one side of the bidirectional material feeding rack 5, the material clamping positioning block 25 is arranged on the output end of the material clamping cylinder 24, and the material clamping limit rod 26 is slidably arranged on the bidirectional material feeding rack 5 and is connected to one end of the material clamping positioning block 25, so as to improve the stability of the movement of the material clamping positioning block 25.

[0072] Among them, two position detection sensors are also provided on the bidirectional material picking rack 5. The position detection sensors correspond to the clamping assembly 32 and are used to detect the position of the pallet, so that the clamping assembly 32 can accurately clamp the pallet.

[0073] Specifically, when adjusting the position of the pallet loading group 002, the reciprocating adjustment screw 17 is driven to rotate by the gearbox 19, so that the exchange rack 4 can be automatically reciprocated and adjusted. By adjusting the rotation speed of the output end of the gearbox 19, when the pallet loading group 002 moves one position, the clamping component 006 just performs one round of reciprocating motion and stays above the pallet loading group 002, which is convenient for clamping and exchanging the pallet. When the pallet loading group 002 is replaced, an intermittent drive is required. During the intermittent period, by adjusting the position of the material picking component and the clamping component 006, the workpiece to be processed and the workpiece after processing can be exchanged respectively, which is convenient for replacing the workpiece.

[0074] It is supplemented that, by providing an adjustable exchange rack 4, pallets carrying processed workpieces and pallets carrying workpieces to be processed can be taken and placed from the conveyor line, so as to facilitate the taking and placing of workpieces.

[0075] It is further explained that, through the cooperation of the material picking mechanism 005 and the clamping assembly 006, the longitudinal adjustment cylinder 21 of the longitudinal adjustment material picking part can realize the longitudinal movement of the bidirectional material picking rack 5, and the rotation frame 22 and the rotation motor 23 of the rotation material picking part can rotate and adjust the bidirectional material picking rack 5. The two symmetrically arranged clamping parts of the clamping assembly 006 can stably clamp the pallet through the cooperation of the clamping cylinder 24, the clamping positioning block 25 and the clamping limit rod 26. This flexible material picking and clamping operation is suitable for pallets of various specifications and shapes, which enhances the versatility and adaptability of the equipment.

[0076] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. Automatic exchange pallet of exchange workbench, characterized in that, include: An exchange seat (1), wherein a cylindrical exchange box (2) is provided on the exchange seat (1), an exchange partition plate (3) is provided in the cylindrical exchange box (2), a planetary exchange mechanism (001) is provided through the exchange partition plate (3), and a plurality of tray loading groups (002) are provided at equal angles on the planetary exchange mechanism (001) for positioning trays carrying workpieces; An exchange power mechanism (003) is arranged on the exchange seat (1), and the exchange power mechanism (003) is connected to the planetary exchange mechanism (001) and is used to drive the workpiece to rotate; An exchange rack (4) is slidably arranged on the exchange seat (1), and a synchronous positioning mechanism (004) is provided between the exchange rack (4) and the exchange power mechanism (003) for driving the exchange rack (4) to reciprocate; A bidirectional material taking rack (5) is arranged on the exchange rack (4) via a material taking mechanism (005), and clamping assemblies (006) are symmetrically arranged on both sides of the bidirectional material taking rack (5) for clamping the pallet carrying the workpiece and exchanging the pallet.

2. The automatic exchange pallet of the exchange workbench according to claim 1, characterized in that: The planetary transposition mechanism (001) comprises: A planetary gear ring (6) is arranged on the inner wall of the cylindrical exchange box (2); A transposition rod (7) is provided between the exchange rack (4) and the exchange seat (1) and is rotatably disposed through the exchange rack (4); A sun gear (8) is arranged on the transposition rotating rod (7); A driving disk (9) is rotatably disposed in the cylindrical exchange box (2), and the tray loading assembly (002) is disposed on the driving disk (9); A plurality of planetary gears (10) are provided, wherein the planetary gears (10) are meshed between the sun gear (8) and the planetary gears (10), and one end of the planetary gear (10) is rotatably disposed on the driving disk (9) to drive the driving disk (9) to rotate.

3. The automatic exchange pallet of the exchange workbench according to claim 2, characterized in that: The tray loading group (002) comprises: A material loading column (11) is arranged on the driving disc (9); The tray limiting seat (12) is arranged on the material loading column (11), and the upper surface of the tray limiting seat (12) is provided with a limiting groove (13) adapted to the bottom of the tray.

4. The automatic exchange pallet of the exchange workbench according to claim 3, characterized in that: The exchange power mechanism (003) comprises: A power motor (14) is mounted on the exchange seat (1); A bevel gear (15) is provided on the output end of the power motor (14); Bevel gear 2 (16) is arranged on the shifting rod (7), and the bevel gear 2 (16) is meshed with the bevel gear 1 (15).

5. The automatic exchange pallet of the exchange workbench according to claim 4, characterized in that: The synchronous positioning mechanism (004) comprises: A reciprocating position adjusting screw rod (17) is rotatably arranged on the exchange seat (1), a position adjusting ball nut assembly (18) is threadedly connected to the reciprocating position adjusting screw rod (17), and the position adjusting ball nut assembly (18) is connected to the exchange frame (4); A gearbox (19) is mounted on the exchange seat (1), and an output end of the gearbox (19) is connected to one end of the reciprocating position adjusting screw (17); Bevel gear three (20) is arranged on the input end of the gearbox 1 (9), and the bevel gear three (20) is meshed with the bevel gear two 1 (6).

6. The automatic exchange pallet of the exchange workbench according to claim 5, characterized in that: The material taking mechanism (005) comprises: A longitudinal adjustment material taking part is provided on the exchange rack (4) and is used for longitudinally moving the bidirectional material taking rack (5); The rotary material-taking part is arranged on the longitudinal material-taking part and is used for rotating and adjusting the bidirectional material-taking frame (5); the bidirectional material-taking frame (5) is arranged on the longitudinal material-taking part.

7. The automatic pallet exchange of the exchange workbench according to claim 6, characterized in that: The longitudinal adjustment and material taking part comprises: The longitudinal adjustment cylinder (21) is installed on the exchange rack (4), and the transfer material taking part is arranged on the output end of the longitudinal adjustment cylinder (21).

8. The automatic exchange pallet of the exchange workbench according to claim 7, characterized in that: The transfer and material taking part comprises: A transfer frame (22) is provided on the output end of the longitudinal adjustment cylinder (21); The transfer motor (23) is installed in the transfer frame (22), and the bidirectional material taking rack (5) is connected to the output end of the transfer motor (23).

9. The automatic exchange pallet of the exchange workbench according to claim 8, characterized in that: The material clamping assembly (006) comprises two symmetrically arranged material clamping parts; The clamping portion includes: A material clamping cylinder (24) is arranged on one side of the bidirectional material taking frame (5); A material clamping positioning block (25) is provided on the output end of the material clamping cylinder (24); A plurality of material clamping limiting rods (26) are provided, wherein the material clamping limiting rods (26) are slidably arranged on the two-way material taking frame (5) and are connected to one end of the material clamping positioning block (25).

10. The automatic exchange pallet of the exchange workbench according to claim 9, characterized in that: The exchange partition plate (3) divides the cylindrical exchange box (2) into an exchange area and a power area. The planetary gear ring (6), the sun gear (8) and the drive plate (9) are located in the exchange area, and the exchange power mechanism (003) is located in the power area.

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