Numerically-controlled machine tool jig
By designing rotatably connected protective structures and fixed structures CNC machine tool fixtures, the problem of relative displacement of workpieces during hole processing is solved, processing accuracy and product yield are improved, and production costs are reduced.
Patent Information
- Application Number
- CN202420645948.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-03-29
AI Technical Summary
In CNC machine tool fixtures, the workpiece is prone to relative displacement under the action of the hole processing tool, which affects the machining accuracy.
A CNC machine tool fixture is designed, including a workbench, a protective structure and a fixed structure. The protective structure is rotatably connected to the machining plate, and has a fixed position and an unlocked position. It is fixed to the fixed position through the fixed structure to clamp the workpiece and maintain the stable state of the hole to be processed.
Effectively prevent the relative displacement of the workpiece during processing, improve processing accuracy, improve product yield, reduce production costs, and facilitate the clamping and disassembly of the workpiece.
Smart Images
Figure CN222680228U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fixtures, in particular to a fixture for a numerically controlled machine tool. Background Art
[0002] CNC machine tool fixtures are tools used for CNC machine tool (CNC) processing. The workpiece is fixed on the CNC machine tool fixture, and then the tool is used to cut the workpiece. However, when processing structures such as audio holes on the side of the workpiece, the workpiece is prone to relative displacement on the CNC machine tool fixture under the action of the hole processing tool, affecting the processing accuracy. Utility Model Content
[0003] In view of this, the utility model provides a CNC machine tool fixture to solve the problem that under the action of a hole machining tool, a workpiece is prone to relative displacement on the CNC machine tool fixture, thereby affecting the machining accuracy.
[0004] The utility model provides a CNC machine tool fixture, comprising a workbench, a protective structure and a fixed structure; the workbench is provided with a processing plate, one side of the processing plate along a first direction is a processing area of a hole to be processed of a workpiece; the protective structure is rotatably connected to the other side of the processing plate along the first direction, and has a fixed position close to the processing plate to fix the workpiece; and an unlocking position away from the processing plate to be separated from the workpiece; the fixed structure is fixedly connected to the processing plate, and is used to fix the protective structure at the fixed position.
[0005] Beneficial effects: By rotatably connecting the protective structure to the side of the processing plate away from the processing area along the first direction, the protective structure can have two positions, and it can be fixed in a fixed position by a fixing structure, so that the workpiece can be clamped between the processing plate and the protective structure to fix the workpiece, so that the hole to be processed always remains stable in the first direction during the processing; by setting the fixed position of the protective structure, even when the processing plate is set at an angle, the workpiece can always be fixed on the processing plate to avoid falling off the processing plate, thereby improving product yield and reducing production costs; the setting of the unlocking position of the protective structure facilitates the clamping and disassembly of the workpiece on the processing plate and is easy to use; the setting of the fixed structure enhances the reliability of the use of the protective structure.
[0006] In an optional embodiment, a fixing area for fixing the workpiece is provided on the processing plate, and the CNC machine tool fixture further includes two groups of limit blocks and two groups of elastic members; the two groups of limit blocks are arranged at intervals on both sides of the fixing area along the second direction, for clamping both sides of the workpiece; the two groups of elastic members are respectively arranged corresponding to the two groups of limit blocks, and are located on the side of the limit blocks away from the fixing area; the limit blocks are elastically connected to the workbench in the second direction through the elastic members.
[0007] Beneficial effects: By setting the limit block, the displacement of the workpiece in the second direction can be limited, and the workpiece can be prevented from falling off the processing plate along the second direction, further enhancing the stability of the workpiece fixed on the processing plate; by setting the elastic part, the two groups of limit blocks can be set away from each other and spaced apart from the workpiece during the clamping and disassembly of the workpiece, which is convenient for the clamping and disassembly of the workpiece, and the two groups of limit blocks can be brought close to each other and in close contact with the workpiece during the processing of the hole to be processed in the workpiece, so as to clamp and fix the workpiece.
[0008] In an optional embodiment, a groove is provided on the processing plate, the elastic member is a limit spring, one end of the limit block is slidably arranged in the groove, and a through hole is provided along the second direction, and the other end is protruding from the outside of the groove; the CNC machine tool fixture also includes a connecting rod, one end of which is fixedly connected to the side wall of the groove on one side of the second direction, and the other end passes through the through hole and is fixedly connected to the side wall of the groove on the other side of the second direction; the limit spring is sleeved on the outer periphery of the connecting rod and is located between the limit block and the groove.
[0009] Beneficial effects: By setting the groove, the movement range of the limit block in the second direction can be limited; by setting the connecting rod, the limit block can be easily slid in the groove along the second direction; by setting the elastic part as a limit spring, the mutual coordination and connection between the limit block, the connecting rod and the groove are facilitated, and the limit spring has high reliability, good stability and easy maintenance.
[0010] In an optional embodiment, the protective structure includes a connecting member and a cover plate; the connecting member is fixedly connected to a side of the processing plate away from the processing area along the first direction; the cover plate is rotatably connected to the connecting member and has the fixed position and the unlocked position.
[0011] Beneficial effect: By providing the connecting piece, a fixed connection between the cover plate and the processing plate can be achieved, and the purpose of the cover plate rotating relative to the processing plate is achieved.
[0012] In an optional embodiment, a connecting hole is provided on the processing plate, and the fixed structure is an electromagnetic adsorption component, which includes a power supply end and an adsorption end; the power supply end is fixedly connected to the side of the processing plate away from the protective structure; the adsorption end is arranged in the connecting hole and fixedly connected to the power supply end for adsorbing the workpiece and the cover plate.
[0013] Beneficial effects: By setting the fixed structure as an electromagnetic adsorption part, the strength of the adsorption force can be controlled by controlling the current size and the magnetic conductive material, thereby achieving simultaneous adsorption of the workpiece and the cover plate, and the controllability is strong; and by adsorbing the workpiece and the cover plate by electromagnetic force, the cover plate is fixed in a fixed position, which can avoid drilling holes in the cover plate and using screws or other fixing devices to fix the cover plate, thereby preventing damage to the cover plate, and is safer and more reliable; by controlling the flow or disconnection of current at the power supply end, the adsorption end can achieve rapid adsorption and release of the workpiece and the cover plate, thereby improving operating efficiency; the setting of the connecting hole facilitates the direct adsorption of the workpiece and the cover plate by the adsorption end.
[0014] In an optional implementation, a side of the adsorption end close to the protective structure and a side of the processing plate close to the protective structure are located in the same plane.
[0015] Beneficial effect: By arranging the side of the adsorption end close to the protective structure and the side of the processing plate close to the protective structure in the same plane, both the adsorption effect of the adsorption end and the close fit between the workpiece and the processing plate can be ensured. Compared with the arrangement in which the adsorption end protrudes from the processing plate, it can avoid crushing the workpiece when the workpiece is fixed on the processing plate.
[0016] In an optional embodiment, a suction block is protruding from one side of the cover plate close to the processing plate; the protective structure also includes an elastic pad, which is provided with a socket hole. The elastic pad is sleeved on the suction block through the socket hole and is fixedly connected to the cover plate.
[0017] Beneficial effects: By setting the adsorption block, it can cooperate with the adsorption end to ensure the adsorption effect of the electromagnetic adsorption part on the cover plate; by setting the elastic pad, it can play a buffering and shock-absorbing effect when the cover plate fixes the workpiece.
[0018] In an optional embodiment, the protective structure further includes a handle, and the handle is fixedly connected to a side of the cover plate facing away from the processing plate.
[0019] Beneficial effect: By providing a handle, it is easy to push the cover plate close to the processing plate to fix the workpiece, and it is also easy to pull the cover plate away from the processing plate to separate the workpiece, which is easy to operate and saves time and effort.
[0020] In an optional embodiment, it also includes a slope support plate and a support seat; the slope support plate includes an inclined edge, and the processing plate is fixedly connected to the inclined edge; the support seat is located below the slope support plate and is fixedly connected to the slope support plate.
[0021] Beneficial effect: By fixedly connecting the processing plate with the inclined edge of the slope support plate, the processing plate can be placed at an incline, thereby ensuring that the workpiece fixed on the processing plate is placed at an incline, which facilitates processing the hole to be processed of the workpiece into an inclined hole; by setting a support seat, the slope support plate is supported and fixed.
[0022] In an optional embodiment, the slope support plates are provided in two groups, the two groups of slope support plates are respectively located on both sides of the workbench and are arranged opposite to each other, and the fixed structure is arranged between the two groups of slope support plates.
[0023] Beneficial effect: by setting two groups of inclined support plates, the processing plate can be stably supported, and the fixed structure is set between the two groups of inclined support plates, which can play a certain protective role for the fixed structure, and the spatial layout is reasonable. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the related technologies, the drawings required for use in the specific implementation methods or the related technical descriptions will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0025] Figure 1 This is a structural schematic diagram of a CNC machine tool fixture in a fixed position according to an embodiment of the utility model;
[0026] Figure 2 This is a structural schematic diagram of a CNC machine tool fixture in an unlocked position according to an embodiment of the utility model;
[0027] Figure 3 It is a structural schematic diagram of a processing plate according to an embodiment of the utility model;
[0028] Figure 4 for Figure 3 A is a partial enlarged schematic diagram;
[0029] Figure 5 It is a structural schematic diagram of the fixing structure of an embodiment of the utility model;
[0030] Figure 6 It is a structural schematic diagram of a cover plate according to an embodiment of the utility model.
[0031] Description of reference numerals:
[0032] 1. Workbench; 11. Processing plate; 111. Groove; 112. Connecting hole; 12. Slope support plate; 13. Support seat; 131. Bottom plate; 132. Column; 133. Top plate; 2. Workpiece; 21. Hole to be processed; 3. Protective structure; 31. Connecting piece; 311. Connecting block; 32. Cover plate; 321. Connecting groove; 3211. Second hinge hole; 322. Adsorption block; 33. Elastic pad; 34. Handle; 4. Fixed structure; 41. Power supply end; 42. Adsorption end; 5. Limiting block; 6. Elastic piece; 7. Connecting rod. DETAILED DESCRIPTION
[0033] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.
[0034] Combine the following Figures 1 to 6 , describing an embodiment of the utility model.
[0035] According to an embodiment of the utility model, on the one hand, a CNC machine tool fixture is provided, including a workbench 1, a protective structure 3 and a fixed structure 4; the workbench 1 is provided with a processing plate 11, and one side of the processing plate 11 along a first direction is a processing area of a hole 21 to be processed of a workpiece 2; the protective structure 3 is rotatably connected to the other side of the processing plate 11 along the first direction, and has a fixed position close to the processing plate 11 to fix the workpiece 2; and an unlocking position away from the processing plate 11 and separated from the workpiece 2; the fixed structure 4 is fixedly connected to the processing plate 11, and is used to fix the protective structure 3 at the fixed position.
[0036] By rotatably connecting the protective structure 3 to the side of the processing plate 11 away from the processing area along the first direction, the protective structure 3 can have two positions, and it can be fixed in a fixed position by the fixing structure 4, so that the workpiece 2 can be clamped between the processing plate 11 and the protective structure 3, and the workpiece 2 can be fixed, so that the hole 21 to be processed always maintains a stable state in the first direction during the processing; by setting the fixed position of the protective structure 3, even when the processing plate 11 is set at an angle, the workpiece 2 can always be fixed on the processing plate 11 to avoid falling off the processing plate 11, thereby improving the product yield and reducing the production cost; the setting of the unlocking position of the protective structure 3 facilitates the clamping and disassembly of the workpiece 2 on the processing plate 11, and is easy to use; the setting of the fixing structure 4 enhances the reliability of the use of the protective structure 3.
[0037] In one embodiment, a fixing area for fixing the workpiece 2 is provided on the processing plate 11, and the CNC machine tool fixture also includes two groups of limit blocks 5 and two groups of elastic members 6; the two groups of limit blocks 5 are arranged at intervals on both sides of the fixing area along the second direction, for clamping the two sides of the workpiece 2; the two groups of elastic members 6 are respectively arranged corresponding to the two groups of the limit blocks 5, and are located on the side of the limit blocks 5 away from the fixing area; the limit blocks 5 are elastically connected to the workbench 1 in the second direction through the elastic members 6.
[0038] By setting the limit block 5, the displacement of the workpiece 2 in the second direction can be limited, and the workpiece 2 can be prevented from falling off the processing plate 11 along the second direction, thereby further enhancing the stability of the workpiece 2 fixed on the processing plate 11; by setting the elastic member 6, the two groups of limit blocks 5 can be set away from each other and spaced apart from the workpiece 2 during the clamping and disassembly of the workpiece 2, which is convenient for the clamping and disassembly of the workpiece 2, and the two groups of limit blocks 5 can be made close to each other and in close contact with the workpiece 2 during the processing of the hole 21 to be processed in the workpiece 2, so as to clamp and fix the workpiece 2.
[0039] In one embodiment, a groove 111 is provided on the processing plate 11, the elastic member 6 is a limit spring, one end of the limit block 5 is slidably arranged in the groove 111, and a through hole is provided along the second direction, and the other end is protruded from the outside of the groove 111; the CNC machine tool fixture also includes a connecting rod 7, one end of which is fixedly connected to the side wall of the groove 111 on one side of the second direction, and the other end passes through the through hole and is fixedly connected to the side wall of the groove 111 on the other side of the second direction; the limit spring is sleeved on the outer periphery of the connecting rod 7 and is located between the limit block 5 and the groove 111.
[0040] By setting the groove 111, the movement range of the limit block 5 in the second direction can be limited; by setting the connecting rod 7, the limit block 5 can slide in the second direction in the groove 111; by setting the elastic member 6 as a limit spring, the mutual coordination and connection between the limit block 5, the connecting rod 7 and the groove 111 are facilitated, and the limit spring has high reliability, good stability and easy maintenance.
[0041] In one embodiment, the protective structure 3 includes a connecting member 31 and a cover plate 32; the connecting member 31 is fixedly connected to a side of the processing plate 11 away from the processing area along the first direction; the cover plate 32 is rotatably connected to the connecting member 31 and has the fixed position and the unlocked position.
[0042] By providing the connecting piece 31 , a fixed connection between the cover plate 32 and the processing plate 11 can be achieved, and the cover plate 32 can be rotated relative to the processing plate 11 .
[0043] In a specific embodiment, two spaced-apart connecting blocks 311 are provided at one end of the connecting member 31 away from the processing plate 11, and the connecting block 311 is provided with a first hinge hole along the second direction; two spaced-apart connecting grooves 321 are provided at one side of the cover plate 32 away from the processing area along the first direction, and second hinge holes 3211 are provided on the groove walls on both sides of the connecting groove 321 along the second direction, and the hinge realizes the rotatable connection between the connecting member 31 and the cover plate 32 by connecting the first hinge hole and the second hinge hole 3211.
[0044] In one embodiment, a connecting hole 112 is provided on the processing plate 11, and the fixed structure 4 is an electromagnetic adsorption component, which includes a power supply end 41 and an adsorption end 42; the power supply end 41 is fixedly connected to the side of the processing plate 11 away from the protective structure 3; the adsorption end 42 is arranged in the connecting hole 112 and is fixedly connected to the power supply end 41, and is used to adsorb the workpiece 2 and the cover plate 32.
[0045] By setting the fixed structure 4 as an electromagnetic adsorption part, the strength of the adsorption force can be controlled by controlling the current size and the magnetic conductive material, so as to achieve simultaneous adsorption of the workpiece 2 and the cover plate 32, and the controllability is strong; and by adsorbing the workpiece 2 and the cover plate 32 by electromagnetic force, the cover plate 32 is fixed in a fixed position, which can avoid drilling holes on the cover plate 32 and using screws or other fixing devices to fix the cover plate 32, thereby preventing damage to the cover plate 32, and being safer and more reliable; by controlling the flow or disconnection of the current at the power supply terminal 41, the adsorption end 42 can achieve rapid adsorption and release of the workpiece 2 and the cover plate 32, thereby improving the operating efficiency; the setting of the connecting hole 112 facilitates the direct adsorption of the workpiece 2 and the cover plate 32 by the adsorption end 42.
[0046] In a specific embodiment, a plurality of connecting holes 112 are provided, and the plurality of connecting holes 112 are evenly distributed on the surface of the processing plate 11 ; a plurality of adsorption ends 42 are also provided, and the plurality of adsorption ends 42 are arranged corresponding to the plurality of connecting holes 112 .
[0047] Specifically, five communicating holes 112 are provided, one of which is located at the center of the processing plate 11 , and the remaining four communicating holes 112 are evenly spaced around the communicating hole 112 at the center.
[0048] In a specific embodiment, a fixing bracket is provided on the side of the processing plate 11 away from the protective structure 3, and the fixing bracket is detachably connected to the processing plate 11, and is used to support and fix the power supply terminal 41. Specifically, a placement groove is also provided on the end of the processing plate 11 away from the protective structure 3, and the end of the power supply terminal 41 connected to the adsorption terminal 42 is located in the placement groove.
[0049] As an alternative implementation, the cover plate 32 may be provided with a lock buckle on the side along the second direction, and the cover plate 32 is fixedly connected to the processing plate 11 in a fixed position through the lock buckle.
[0050] In one embodiment, a side of the adsorption end 42 close to the protective structure 3 and a side of the processing plate 11 close to the protective structure 3 are located in the same plane.
[0051] By arranging the side of the adsorption end 42 close to the protective structure 3 and the side of the processing plate 11 close to the protective structure 3 in the same plane, it is possible to ensure the adsorption effect of the adsorption end 42 and to ensure that the workpiece 2 and the processing plate 11 are in close contact with each other. Compared with the arrangement in which the adsorption end 42 protrudes from the processing plate 11, it is possible to avoid the workpiece 2 being crushed when being fixed on the processing plate 11.
[0052] In one embodiment, a side of the cover plate 32 close to the processing plate 11 is protruded with an adsorption block 322; the protective structure 3 also includes an elastic pad 33, which is provided with a socket hole. The elastic pad 33 is sleeved on the adsorption block 322 through the socket hole and is fixedly connected to the cover plate 32.
[0053] By providing the adsorption block 322 , it can cooperate with the adsorption end 42 to ensure the adsorption effect of the electromagnetic adsorption component on the cover plate 32 ; by providing the elastic pad 33 , it can play a buffering and shock-absorbing effect when the cover plate 32 fixes the workpiece 2 .
[0054] In one embodiment, the protective structure 3 further includes a handle 34 , and the handle 34 is fixedly connected to a side of the cover plate 32 facing away from the processing plate 11 .
[0055] By providing the handle 34 , it is convenient to push the cover plate 32 close to the processing plate 11 to fix the workpiece 2 , and it is also convenient to pull the cover plate 32 away from the processing plate 11 to separate from the workpiece 2 , which is easy to operate and saves time and effort.
[0056] In one embodiment, it also includes a slope support plate 12 and a support seat 13; the slope support plate 12 includes an inclined edge, and the processing plate 11 is fixedly connected to the inclined edge; the support seat 13 is located below the slope support plate 12 and is fixedly connected to the slope support plate 12.
[0057] By fixedly connecting the processing plate 11 with the inclined edge of the slope support plate 12, it can be ensured that the processing plate 11 is placed at an incline, thereby ensuring that the workpiece 2 fixed on the processing plate 11 is placed at an incline, which facilitates processing the hole 21 to be processed of the workpiece 2 into an inclined hole; by setting a support seat 13, the slope support plate 12 is supported and fixed.
[0058] In a specific embodiment, the support seat 13 includes a bottom plate 131, four columns 132 and a top plate 133. The bottom plate 131 and the top plate 133 are both rectangular structures. The four columns 132 are located between the bottom plate 131 and the top plate 133, and are arranged around the bottom plate 131. The two ends of the columns 132 are detachably connected to the bottom plate 131 and the top plate 133.
[0059] In one embodiment, two groups of the slope support plates 12 are provided, the two groups of the slope support plates 12 are respectively located on both sides of the workbench 1 and are arranged opposite to each other, and the fixing structure 4 is arranged between the two groups of the slope support plates 12 .
[0060] By providing two groups of inclined support plates 12, the processing plate 11 can be stably supported, and the fixed structure 4 is provided between the two groups of inclined support plates 12, which can play a certain protective role for the fixed structure 4, and the spatial layout is reasonable.
[0061] In a specific embodiment, when the workpiece 2 is clamped on the processing plate 11, the workpiece 2 is clamped by two sets of limit blocks 5, and the electromagnetic adsorption component is powered on to generate magnetic attraction to adsorb the workpiece 2, and then the cover plate 32 is pushed toward the processing plate 11 by holding the handle 34 until the cover plate 32 is adsorbed and fixed by the electromagnetic adsorption component; after the workpiece 2 is processed, the electromagnetic adsorption component is powered off, and the magnetic attraction disappears at this time, and the cover plate 32 is pulled away from the processing plate 11 by holding the handle 34, and then the workpiece 2 is removed from the limit blocks 5. During the process of clamping and disassembling the workpiece 2, the two sets of limit blocks 5 always clamp and fix the workpiece to prevent the workpiece 2 from falling from the inclined processing plate 11 during the process of clamping and disassembling.
[0062] Although the embodiments of the present invention are described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the appended claims.
Claims
1. A CNC machine tool fixture, characterized in that: include: A workbench (1) is provided with a processing plate (11), wherein one side of the processing plate (11) along a first direction is a processing area for a hole (21) to be processed of a workpiece (2); a protective structure (3) rotatably connected to the other side of the processing plate (11) along the first direction, and having a fixed position close to the processing plate (11) to fix the workpiece (2); and an unlocked position away from the processing plate (11) to separate from the workpiece (2); A fixing structure (4) is fixedly connected to the processing plate (11) and is used to fix the protection structure (3) at the fixing position.
2. The CNC machine tool fixture according to claim 1, characterized in that: The processing plate (11) is provided with a fixing area for fixing the workpiece (2), and the CNC machine tool fixture further comprises: Two groups of limit blocks (5) are arranged at intervals on both sides of the fixing area along the second direction, and are used to clamp both sides of the workpiece (2); Two groups of elastic members (6) are respectively arranged corresponding to the two groups of limit blocks (5) and are located on a side of the limit blocks (5) away from the fixed area; The limit block (5) is elastically connected to the workbench (1) in the second direction via the elastic member (6).
3. The CNC machine tool fixture according to claim 2, characterized in that: The processing plate (11) is provided with a groove (111), the elastic member (6) is a limit spring, one end of the limit block (5) is slidably arranged in the groove (111), and a through hole is provided along the second direction, and the other end is protruded outside the groove (111); The CNC machine tool fixture further comprises a connecting rod (7), one end of which is fixedly connected to the side wall of the groove (111) on one side in the second direction, and the other end of which passes through the through hole and is fixedly connected to the side wall of the groove (111) on the other side in the second direction; The limit spring is sleeved on the outer circumference of the connecting rod (7) and is located between the limit block (5) and the groove (111).
4. The CNC machine tool fixture according to any one of claims 1 to 3, characterized in that: The protective structure (3) comprises: A connecting member (31) fixedly connected to a side of the processing plate (11) away from the processing area along the first direction; The cover plate (32) is rotatably connected to the connecting member (31) and has the fixed position and the unlocked position.
5. The CNC machine tool fixture according to claim 4, characterized in that: The processing plate (11) is provided with a communication hole (112), and the fixing structure (4) is an electromagnetic adsorption member, and the electromagnetic adsorption member comprises: A power supply terminal (41) is fixedly connected to a side of the processing plate (11) facing away from the protective structure (3); The adsorption end (42) is arranged in the communication hole (112), fixedly connected to the power supply end (41), and is used for adsorbing the workpiece (2) and the cover plate (32).
6. The CNC machine tool fixture according to claim 5, characterized in that: The side of the adsorption end (42) close to the protective structure (3) and the side of the processing plate (11) close to the protective structure (3) are located in the same plane.
7. The CNC machine tool fixture according to claim 5 or 6, characterized in that: A suction block (322) is protruding from one side of the cover plate (32) close to the processing plate (11); the protective structure (3) also includes an elastic pad (33), the elastic pad (33) is provided with a sleeve hole, the elastic pad (33) is sleeved on the suction block (322) through the sleeve hole, and is fixedly connected to the cover plate (32).
8. The CNC machine tool fixture according to claim 5 or 6, characterized in that: The protective structure (3) further comprises a handle (34), wherein the handle (34) is fixedly connected to a side of the cover plate (32) facing away from the processing plate (11).
9. The CNC machine tool fixture according to any one of claims 1 to 3 or 5 or 6, characterized in that: Also includes: A slope support plate (12), the slope support plate (12) comprising a sloped edge, the processing plate (11) being fixedly connected to the sloped edge; The support seat (13) is located below the slope support plate (12) and is fixedly connected to the slope support plate (12).
10. The CNC machine tool fixture according to claim 9, characterized in that: The slope support plates (12) are provided in two groups, the two groups of slope support plates (12) are respectively located on two sides of the workbench (1) and are arranged opposite to each other, and the fixed structure (4) is arranged between the two groups of slope support plates (12).