CNC automatic feeding and discharging device

Abstract

The CNC automatic feeding and discharging device comprises a rack, a clip mechanism arranged at the top of the rack, a clip displacement mechanism connected with the clip mechanism, a first material transferring mechanism arranged on the rack in the first direction, a material shifting mechanism, a second material transferring mechanism and a positioning and discharging mechanism, wherein the material shifting mechanism, the second material transferring mechanism and the positioning and discharging mechanism are arranged on the rack in the direction perpendicular to the first direction. A feeding station, a discharging station, a transferring and discharging station and a machining station are distributed on the machine frame. The elastic clamping mechanism is arranged at a feeding position, and the material shifting mechanism is used for shifting materials to a discharging position one by one from the bottom of the elastic clamping mechanism; the first material transferring mechanism is used for transferring materials from a discharging position to a transferring and discharging position; the second material transfer mechanism and the positioning and discharging mechanism are oppositely arranged; the second material transferring mechanism is used for transferring the materials from the transferring and discharging position to the machining position; the positioning and discharging mechanism is used for being matched with the second material transferring mechanism to clamp and position the materials to the machining position and transferring the materials from the machining position to the transferring and discharging position to be discharged. By arranging the cartridge clip mechanism, the cartridge clip displacement mechanism, the material shifting mechanism, the first material transferring mechanism, the second material transferring mechanism and the positioning and discharging mechanism, automation of the whole process from feeding to discharging can be achieved, the feeding and discharging efficiency is greatly improved, and the requirement of mass production can be met.

Description

Technical Field

[0001] The invention relates to the technical field of automation equipment, and in particular to a CNC automatic loading and unloading device. Background Art

[0002] As a common power device, cylinders are widely used in automation equipment or laboratories. During the use of single-rod cylinders, the piston rod may rotate, which will cause the position of the cylinder loading force to change, thereby affecting the static load test results. Therefore, a cylinder anti-rotation plate is required to limit the rotation of the piston rod to ensure the stability of the cylinder and the accuracy of the test.

[0003] In the prior art, CNC machines are usually used to process the edge chamfers of the cylinder anti-rotation plate, but most of the loading and unloading is done manually, and the cylinder anti-rotation plate is clamped with a vise, which is costly and inefficient and cannot meet the needs of mass production. Summary of the invention

[0004] The purpose of the present invention is to provide a CNC automatic loading and unloading device. By setting a clip mechanism, a clip displacement mechanism, a material shifting mechanism, a first material transfer mechanism, a second material transfer mechanism, a positioning and unloading mechanism, the whole process from loading to unloading can be automated, which greatly improves the loading and unloading efficiency and can meet the needs of mass production.

[0005] In order to achieve the above purpose, the following technical solutions are adopted:

[0006] A CNC automatic loading and unloading device comprises a frame, a clip mechanism arranged on the top of the frame, a clip displacement mechanism connected to the clip mechanism, a first material transfer mechanism arranged on the frame along a first direction, and a material shifting mechanism, a second material transfer mechanism, and a positioning and unloading mechanism arranged on the frame perpendicular to the first direction; the frame is provided with a loading position, a discharging position, a transfer and unloading position, and a processing position; the clip mechanism is arranged at the loading position, and the material shifting mechanism is used to shift materials one by one from the bottom of the clip mechanism to the discharging position; the first material transfer mechanism is used to transfer materials from the discharging position to the transfer and unloading position; the second material transfer mechanism is arranged opposite to the positioning and unloading mechanism; the second material transfer mechanism is used to transfer materials from the transfer and unloading position to the processing position; the positioning and unloading mechanism is used to cooperate with the second material transfer mechanism to clamp and position the material at the processing position, and to transfer the material from the processing position to the transfer and unloading position for unloading.

[0007] Preferably, the magazine mechanism includes a magazine shell and a magazine switch module arranged at the bottom of the magazine shell; a plurality of magazines are provided on the magazine shell, and each magazine is opened from the top to the bottom of the magazine shell; the magazine switch module is used to open or close the bottom of the plurality of magazines.

[0008] Preferably, the clip switch module includes a material stop fork, a material stop toggle rod for driving the material stop fork to move, and a connecting block connected between the material stop fork and the material stop toggle rod; the material stop fork is placed at the bottom of the clip housing, and a stop plate is provided on the material stop fork corresponding to each material bin; the connecting block is placed in the clip housing, and a first slide slot hole is provided at the bottom of the clip housing, and the connecting block is connected to the material stop fork through the first slide slot hole; a second slide slot hole is provided on the side wall of the clip housing, and the material stop toggle rod is movable through the second slide slot hole; the second slide slot hole is an inverted U-shaped structure; when the clip switch module is in a closed state, the material stop toggle rod is located at one of the inverted U-shaped vertical ends of the second slide slot hole; when the clip switch module is in an open state, the material stop toggle rod is located at the other inverted U-shaped vertical end of the second slide slot hole.

[0009] Preferably, the material shifting mechanism includes a material shifting block and a material shifting driving member connected to the material shifting block; the material shifting block includes a material shifting guide block and a material receiving block arranged at one end of the material shifting guide block; the frame is provided with a material shifting slide rail groove matching the material shifting guide block; a step structure is provided at the connection between the material shifting guide block and the material receiving block; the material receiving block is located on the low-level step and is arranged close to the material discharge position.

[0010] Preferably, the first material transfer mechanism includes a first material moving block and a first material moving drive connected to the first material moving block; the first material moving block includes a first guide block and a material discharge trough opened on the top of the first guide block; the frame is provided with a first slide rail groove matching the first guide block; the material discharge trough includes a material trough and a guide groove connected to the material trough and located at the bottom of the material trough; the material shifting guide block can push the material into the material trough, and the material receiving block can slide in and out of the guide groove.

[0011] Preferably, the second material transfer mechanism includes a second material moving block and a second material moving drive connected to the second material moving block; the second material moving block includes a second guide block and a material moving push block integrally formed on the top of the second guide block; a second slide rail groove matching the second guide block is provided on the frame; the material moving push block can push the material from the material groove into the processing position, and the second guide block can slide in and out of the guide groove.

[0012] Preferably, the positioning and unloading mechanism includes a positioning block and a positioning drive connected to the positioning block; the positioning block includes a positioning guide block and a positioning push block integrally formed at one end of the positioning guide block; a positioning slide rail groove matching the positioning guide block is provided on the frame; the positioning push block is used to clamp and position the material at the processing position together with the material moving push block.

[0013] Preferably, the magazine displacement mechanism comprises a connecting rod connected to the magazine mechanism, a displacement transmission assembly connected to the connecting rod, and a displacement driving member connected to the displacement transmission assembly.

[0014] Preferably, the frame includes a top plate and a bottom plate arranged in parallel, and a plurality of support columns connected between the top plate and the bottom plate; the first slide rail groove is opened on the top plate along a first direction; the material shifting slide rail groove, the second slide rail groove, and the positioning slide rail groove are opened on the top plate along a direction perpendicular to the first direction.

[0015] Preferably, a material discharge hole is opened on the top plate corresponding to the transfer and material discharge position; a material discharge tray is provided below the material discharge hole, and the material discharge tray is placed on the bottom plate.

[0016] By adopting the above scheme, the beneficial effects of the present invention are:

[0017] The present invention can realize the automation of the whole process from loading to unloading by setting a clip mechanism, a clip displacement mechanism, a material shifting mechanism, a first material transfer mechanism, a second material transfer mechanism, a positioning and unloading mechanism, which greatly improves the efficiency of loading and unloading, and can meet the needs of mass production. In the preferred embodiment, by setting a clip switch module, the material bin can be mechanically opened and closed to clamp the material, and the clip mechanism can be quickly disassembled and replaced to realize external material replenishment, further improving the CNC processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A perspective view of the present invention;

[0019] Figure 2 It is a three-dimensional diagram of the magazine mechanism and the magazine displacement mechanism of the present invention;

[0020] Figure 3 is a three-dimensional diagram of the magazine mechanism of the present invention;

[0021] Figure 4 A three-dimensional diagram of the clip switch module of the present invention;

[0022] Figure 5 It is a three-dimensional diagram of the first material transfer mechanism and the material shifting mechanism of the present invention;

[0023] Figure 6 It is a three-dimensional diagram of the first / second material transfer mechanism, the positioning and unloading mechanism of the present invention;

[0024] Figure 7 A three-dimensional diagram of a frame of the present invention;

[0025] The accompanying drawings illustrate:

[0026] 1-frame, 2-magazine mechanism,

[0027] 3—clip displacement mechanism, 4—first material transfer mechanism,

[0028] 5—material transfer mechanism, 6—second material transfer mechanism,

[0029] 7—Positioning and unloading mechanism, 8—Unloading tray,

[0030] 9—Material, 11—Top plate,

[0031] 12 - bottom plate, 13 - support column,

[0032] 14—feeding hole, 21—magazine shell,

[0033] 22 - material bin, 23 - material blocking fork,

[0034] 24—Blocking lever, 25—Connecting block,

[0035] 26—second slide hole, 31—connecting rod,

[0036] 32—displacement transmission assembly, 33—displacement drive member,

[0037] 41—first material moving driving member, 42—first guide block,

[0038] 43—discharging chute, 44—first slide rail chute,

[0039] 51 - material-dispensing driving member, 52 - material-dispensing guide block,

[0040] 53—material receiving block, 54—material sliding rail groove,

[0041] 61—second material moving block, 62—second material moving driving member,

[0042] 63—second slide rail slot, 71—positioning block,

[0043] 72—positioning driving member, 73—positioning slide rail groove. DETAILED DESCRIPTION

[0044] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0045] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0046] In the description of this embodiment, the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operate in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0047] Reference Figures 1 to 7 As shown, the present invention provides a CNC automatic loading and unloading device, including a frame 1, a clip mechanism 2 arranged on the top of the frame 1, a clip displacement mechanism 3 connected to the clip mechanism 2, a first material transfer mechanism 4 arranged on the frame 1 along a first direction, and a material shifting mechanism 5, a second material transfer mechanism 6, and a positioning and unloading mechanism 7 arranged on the frame 1 along a direction perpendicular to the first direction; the frame 1 is provided with a loading position, a discharging position, a transfer and unloading position, and a processing position; the clip mechanism 2 is arranged at the loading position, and the material shifting mechanism 5 is used to shift the materials one by one from the bottom of the clip mechanism 2 to the discharging position; the first material transfer mechanism 4 is used to transfer the materials from the discharging position to the transfer and unloading position; the second material transfer mechanism 6 is arranged opposite to the positioning and unloading mechanism 7; the second material transfer mechanism 6 is used to transfer the materials from the transfer and unloading position to the processing position; the positioning and unloading mechanism 7 is used to cooperate with the second material transfer mechanism 6 to clamp and position the materials at the processing position, and to unload the materials from the processing position to the transfer and unloading position.

[0048] Clip mechanism 2, clip displacement mechanism 3:

[0049] The clip mechanism 2 includes a clip housing 21 and a clip switch module disposed at the bottom of the clip housing 21; the clip housing 21 is provided with a plurality of bins 22, each of which is opened from the top to the bottom of the clip housing 21; the clip switch module is used to open or close the bottoms of the plurality of bins 22. The clip switch module includes a blocking fork 23, a blocking lever 24 for driving the blocking fork 23 to move, and a connecting block 25 connected between the blocking fork 23 and the blocking lever 24; the blocking fork 23 is disposed at the bottom of the clip housing 21, and a blocking piece is disposed on the blocking fork 23 corresponding to each bin 22; in a specific embodiment, the number of bins 22 is 4, and the number of blocking pieces on the blocking fork 23 is also 4.

[0050] The connecting block 25 is placed in the magazine shell 21, and a first slide slot hole is provided at the bottom of the magazine shell 21, through which the connecting block 25 is connected to the material blocking fork 23; a second slide slot hole 26 is provided on the side wall of the magazine shell 21, and the material blocking toggle rod 24 is arranged to move through the second slide slot hole 26; the second slide slot hole 26 is in an inverted U-shaped structure; when the magazine switch module is in a closed state, the material blocking toggle rod 24 is located at one of the inverted U-shaped vertical ends of the second slide slot hole 26; when the magazine switch module is in an open state, the material blocking toggle rod 24 is located at the other inverted U-shaped vertical end of the second slide slot hole 26. By setting the second slide slot hole 26 as an inverted U-shaped structure, when the magazine switch module is in a closed or open state, the material blocking toggle rod 24 is limited to the inverted U-shaped vertical end of the second slide slot hole 26, so that the material blocking fork 23 can be stably maintained in the closed or open state to avoid accidental movement.

[0051] In a specific implementation, the clip switch module is a mechanical drop switch. Before refilling, please continue to refer to Figure 3 , the material bin 22 is closed by the clip switch module, at which time the blocking lever 24 is located at the inverted U-shaped vertical end on the left side of the second chute hole 26 to prevent the material 9 from leaking out; after the material 9 is loaded and the clip mechanism 2 is installed on the frame 1, the material bin 22 is opened by the clip switch module, at which time the blocking lever 24 is located at the inverted U-shaped vertical end on the right side of the second chute hole 26. In the process of opening and closing the material bin 22, the blocking lever 24 is manually moved along the inverted U-shaped path of the second chute hole 26.

[0052] The magazine displacement mechanism 3 includes a connecting rod 31 connected to the magazine mechanism 2, a displacement transmission assembly 32 connected to the connecting rod 31, and a displacement driving member 33 connected to the displacement transmission assembly 32. The displacement transmission assembly 32 includes a driving wheel, a driven wheel, and a conveyor belt connected between the driving wheel and the driven wheel. The displacement driving member 33 is connected to the driving wheel, and specifically, the displacement driving member 33 is a motor.

[0053] Furthermore, the magazine mechanism 2 also includes a sliding seat arranged at the bottom of the magazine housing 21, and a limiting guide rail arranged on both sides of the sliding seat. Among them, the sliding seat is fixed to the connecting rod 31, and the limiting guide rail is installed on the top of the frame 1. A third slide slot hole is also opened on the frame 1 along the first direction, and the connecting rod 31 is movable through the third slide slot hole. By separating the sliding seat from the limiting guide rail, the magazine mechanism 2 can be removed (except the limiting guide rail), and the magazine mechanism 2 can be quickly replaced to realize external feeding. When the magazine displacement mechanism 3 drives the magazine mechanism 2 to move, the sliding seat slides along the limiting guide rail to move the multiple bins 22 one by one to the top of the material diverting mechanism 5 to realize automatic feeding.

[0054] Material transfer mechanism 5:

[0055] The material-digging mechanism 5 includes a material-digging block and a material-digging driving member 51 connected to the material-digging block; specifically, the material-digging driving member 51 is a cylinder. The material-digging block includes a material-digging guide block 52 and a material-receiving block 53 arranged at one end of the material-digging guide block 52; a material-digging slideway groove 54 matching the material-digging guide block 52 is provided on the frame 1; a step structure is provided at the connection between the material-digging guide block 52 and the material-receiving block 53; the material-receiving block 53 is located on the low-step step and is arranged close to the material-discharging position. The step structure is formed by the material-digging guide block 52 and the material-receiving block 53, and the low-step step is arranged close to the material-discharging position. When the material-digging driving member 51 drives the material-digging block to transfer the material to the material-discharging position, its high-step step pushes the material 9; when the material 9 enters the material trough, the material-receiving block 53 can slide out of the guide groove without taking the material 9 out together.

[0056] The first material transfer mechanism 4:

[0057] The first material transfer mechanism 4 includes a first material moving block and a first material moving driving member 41 connected to the first material moving block; specifically, the first material moving driving member 41 is a cylinder. The first material moving block includes a first guide block 42 and a material discharging trough 43 opened on the top of the first guide block 42; the frame 1 is provided with a first slide rail groove 44 matching the first guide block 42; the material discharging trough 43 includes a material trough and a guide groove connected to the material trough and located at the bottom of the material trough; the material discharging guide block 52 can push the material 9 into the material trough, and the material receiving block 53 can slide in and out of the guide groove.

[0058] In addition, a first limit block is provided at the end of the material-discharging slide groove 54 away from the discharge position to prevent the material-discharging block from detaching from the material-discharging slide groove 54; a second limit block is also provided on the material-discharging slide groove 54 on the side of the discharge position away from the clip mechanism 2 to limit the material 9 in the discharge groove 43.

[0059] The second material transfer mechanism 6:

[0060] The second material transfer mechanism 6 includes a second material moving block 61 and a second material moving driving member 62 connected to the second material moving block 61; specifically, the second material moving driving member 62 is a cylinder. The second material moving block 61 includes a second guide block and a material moving push block integrally formed on the top of the second guide block; a second slide rail groove 63 matching the second guide block is provided on the frame 1; the material moving push block can push the material 9 from the material groove into the processing position, and the second guide block can slide in and out of the guide groove.

[0061] Positioning and unloading mechanism 7:

[0062] The positioning and unloading mechanism 7 includes a positioning block 71 and a positioning driving member 72 connected to the positioning block 71; specifically, the positioning driving member 72 is a cylinder. The positioning block 71 includes a positioning guide block and a positioning push block integrally formed at one end of the positioning guide block; a positioning slide rail groove 73 matching the positioning guide block is provided on the frame 1; the positioning push block is used to clamp the material 9 and position it at the processing position together with the material moving push block.

[0063] Rack 1:

[0064] The frame 1 includes a top plate 11 and a bottom plate 12 arranged in parallel, and a plurality of support columns 13 connected between the top plate 11 and the bottom plate 12; the first slide rail groove 44 is opened on the top plate 11 along the first direction; the material-shifting slide rail groove 54, the second slide rail groove 63, and the positioning slide rail groove 73 are opened on the top plate 11 along the first direction perpendicular to the first direction. Specifically, the material discharging position is located at the intersection of the material-shifting slide rail groove 54 and the first slide rail groove 44; the transfer and material-discharging position (material-discharging hole 14) is located at the intersection of the first slide rail groove 44, the second slide rail groove 63, and the positioning slide rail groove 73; and the processing position is located in the positioning slide rail groove 73.

[0065] A material discharge hole 14 is provided on the top plate 11 corresponding to the transfer and discharge position; a material discharge tray 8 is provided below the material discharge hole 14, and the material discharge tray 8 is placed on the bottom plate 12. By providing the material discharge hole 14, when the material 9 is processed at the processing position, the positioning and discharge mechanism 7 pushes the material 9 to the material discharge hole 14, so that the material 9 falls from the material discharge hole 14 into the discharge tray 8, realizing automatic discharge.

[0066] The working process of the present invention is as follows:

[0067] 1) The clip mechanism 2 loaded with the material 9 is mounted on the frame 1. Under the drive of the clip displacement mechanism 3, the multiple material bins 22 of the clip mechanism 2 are aligned with the material shifting block one by one;

[0068] 2) The material-discharging driving member 51 drives the material-discharging block to extend to the bottom of the clip mechanism 2 to receive the material;

[0069] 3) After receiving the material 9, the material shifting driving member 51 drives the material shifting block to transfer the material 9 to the discharge trough 43 of the first material shifting block;

[0070] 4) After the material 9 is placed in the discharge chute 43, the material-discharging driving member 51 drives the material-discharging block to slide out of the discharge chute 43;

[0071] 5) The first material moving driving member 41 drives the first material moving block to move the material 9 to the transfer and unloading position;

[0072] 6) The second material moving driving member 62 drives the second material moving block 61 to move the material 9 from the discharge chute 43 to the processing position;

[0073] 7) The positioning drive member 72 drives the positioning block 71 to cooperate with the second material moving block 61 to clamp and position the material 9 at the processing position;

[0074] 8) The CNC machine processes the material 9 at the processing position;

[0075] 9) After the processing is completed, the positioning drive member 72 drives the positioning block 71 to push the material 9 to the discharge hole 14, so that the material 9 falls from the discharge hole 14 into the discharge tray 8, completing the automatic discharge.

[0076] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention. Obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations on the implementation methods of the present invention. For ordinary technicians in the relevant field, various obvious changes, readjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A CNC automatic loading and unloading device, characterized in that: It includes a frame, a clip mechanism arranged on the top of the frame, a clip displacement mechanism connected to the clip mechanism, a first material transfer mechanism arranged on the frame along a first direction, and a material shifting mechanism, a second material transfer mechanism, and a positioning and unloading mechanism arranged on the frame along a direction perpendicular to the first direction; the frame is provided with a loading position, a discharging position, a transfer and unloading position, and a processing position; the clip mechanism is arranged at the loading position, and the material shifting mechanism is used to shift the materials one by one from the bottom of the clip mechanism to the discharging position; the first material transfer mechanism is used to transfer the materials from the discharging position to the transfer and unloading position; the second material transfer mechanism is arranged opposite to the positioning and unloading mechanism; the second material transfer mechanism is used to transfer the materials from the transfer and unloading position to the processing position; the positioning and unloading mechanism is used to cooperate with the second material transfer mechanism to clamp and position the materials at the processing position, and to transfer the materials from the processing position to the transfer and unloading position for unloading.

2. The CNC automatic loading and unloading device according to claim 1 is characterized in that: The magazine mechanism includes a magazine shell and a magazine switch module arranged at the bottom of the magazine shell; a plurality of magazines are provided on the magazine shell, and each magazine is opened from the top to the bottom of the magazine shell; the magazine switch module is used to open or close the bottoms of the plurality of magazines.

3. The CNC automatic loading and unloading device according to claim 2 is characterized in that: The clip switch module includes a material stopping fork, a material stopping toggle rod for driving the material stopping fork to move, and a connecting block connected between the material stopping fork and the material stopping toggle rod; the material stopping fork is placed at the bottom of the clip shell, and a blocking plate is provided on the material stopping fork corresponding to each material bin; the connecting block is placed in the clip shell, and a first slide slot hole is provided at the bottom of the clip shell, and the connecting block is connected to the material stopping fork through the first slide slot hole; a second slide slot hole is provided on the side wall of the clip shell, and the material stopping toggle rod is movable through the second slide slot hole; the second slide slot hole is an inverted U-shaped structure; when the clip switch module is in a closed state, the material stopping toggle rod is located at one of the inverted U-shaped vertical ends of the second slide slot hole; when the clip switch module is in an open state, the material stopping toggle rod is located at the other inverted U-shaped vertical end of the second slide slot hole.

4. The CNC automatic loading and unloading device according to claim 1 is characterized in that: The material shifting mechanism includes a material shifting block and a material shifting driving member connected to the material shifting block; the material shifting block includes a material shifting guide block and a material receiving block arranged at one end of the material shifting guide block; the frame is provided with a material shifting slide rail groove matching the material shifting guide block; a step structure is provided at the connection between the material shifting guide block and the material receiving block; the material receiving block is located on the low-level step and is arranged close to the material discharge position.

5. The CNC automatic loading and unloading device according to claim 4 is characterized in that: The first material transfer mechanism includes a first material moving block and a first material moving drive connected to the first material moving block; the first material moving block includes a first guide block and a material discharge trough opened on the top of the first guide block; the frame is provided with a first slide rail groove matching the first guide block; the material discharge trough includes a material trough and a guide groove connected to the material trough and located at the bottom of the material trough; the material shifting guide block can push the material into the material trough, and the material receiving block can slide in and out of the guide groove.

6. The CNC automatic loading and unloading device according to claim 5, characterized in that: The second material transfer mechanism includes a second material moving block and a second material moving drive connected to the second material moving block; the second material moving block includes a second guide block and a material moving push block integrally formed on the top of the second guide block; a second slide rail groove matching the second guide block is provided on the frame; the material moving push block can push the material from the material groove into the processing position, and the second guide block can slide in and out of the guide groove.

7. The CNC automatic loading and unloading device according to claim 6, characterized in that: The positioning and unloading mechanism includes a positioning block and a positioning drive connected to the positioning block; the positioning block includes a positioning guide block and a positioning push block integrally formed at one end of the positioning guide block; a positioning slide rail groove matching the positioning guide block is provided on the frame; the positioning push block is used to clamp and position the material at the processing position together with the material moving push block.

8. The CNC automatic loading and unloading device according to claim 1, characterized in that: The magazine displacement mechanism comprises a connecting rod connected to the magazine mechanism, a displacement transmission assembly connected to the connecting rod, and a displacement driving member connected to the displacement transmission assembly.

9. The CNC automatic loading and unloading device according to claim 7, characterized in that: The frame includes a top plate and a bottom plate arranged in parallel, and a plurality of support columns connected between the top plate and the bottom plate; the first slide rail groove is opened on the top plate along a first direction; the material shifting slide rail groove, the second slide rail groove, and the positioning slide rail groove are opened on the top plate along a direction perpendicular to the first direction.

10. The CNC automatic loading and unloading device according to claim 9, characterized in that: A material discharge hole is provided on the top plate corresponding to the transfer and material discharge position; a material discharge tray is provided below the material discharge hole, and the material discharge tray is placed on the bottom plate.

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