Inclined rail numerical control lathe capable of conveniently adjusting production precision
By designing the adjustment mechanism for components such as shaker and shake column, the fine adjustment problem of the inclined rail CNC lathe during processing is solved, precise position adjustment is achieved, and processing accuracy and working quality are improved.
Patent Information
- Application Number
- CN202420969603.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-07
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-05-07
AI Technical Summary
The existing inclined rail CNC lathes are difficult to fine-tune during processing, making it difficult to find a suitable cutting and grinding position for the tool holder, which reduces the processing accuracy.
An adjustment mechanism including components such as shaking handles, shaking columns, shaking columns, and shaking rods is designed. By shaking handles, the shaking columns and shaking rods are driven to slide in the vertical grooves to achieve accurate adjustment of the processing position.
It realizes that the position adjustment can be made according to the size of the parts during processing, avoids frequent manual adjustments, and improves machining accuracy and working quality.
Smart Images
Figure CN223098032U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of inclined-rail CNC lathes, in particular to an inclined-rail CNC lathe which is convenient to adjust the production precision. Background Technique
[0002] The inclined-guideway CNC lathe adopts a 45° inclined layout, and the bed body is of a tubular hollow structure, which greatly improves the bending and torsion stiffness of the machine tool during work. At the same time, through two aging treatments, the stability of the machine tool is improved. The high-rigidity and high-stability bed body provides a strong guarantee for the high precision of the whole machine. The spindle of this machine is an independent spindle unit.
[0003] Common inclined-rail CNC lathes that are convenient to adjust the machining precision generally select high-precision spindle special bearings, and lubricate with imported special bearing lubricating tires. The positioning device moves in the track or the tool rest moves to a suitable position for work. However, due to the different shapes of the workpieces, it is difficult for the positioning device to finely adjust the position of the workpiece, resulting in difficulty for the tool rest to find a suitable cutting and grinding position when working on the workpiece, reducing the working quality of the device and not meeting the working requirements of the inclined-rail CNC lathe that is convenient to adjust the machining precision. Therefore, an inclined-rail CNC lathe that is convenient to adjust the machining precision is proposed.
[0004] Therefore, it is necessary to provide an inclined-rail CNC lathe that is convenient to adjust the production precision to solve the above technical problems. Content of the Utility Model
[0005] The utility model provides an inclined-rail CNC lathe that is convenient to adjust the production precision, which solves the problem that fine adjustment cannot be performed during machining.
[0006] To solve the above technical problems, the inclined-rail CNC lathe that is convenient to adjust the production precision provided by the utility model includes: a baffle is fixedly connected to the top of the workbench, a rocking handle is movably connected inside the baffle, the rocking handle penetrates through the baffle and extends to the outside of the baffle, a rocking column is fixedly connected inside the rocking handle, a groove is opened outside one end of the rocking column, and the groove is clamped with the rocking handle. A rocker support is fixedly connected to the top of the workbench, the inside of the rocker support is rotationally connected with the rocking column, the rocking column penetrates through the rocker support and extends to the outside of the rocker support, and a rocking tooth is fixedly connected to the other end of the rocking column. A vertical groove is opened on the top of the workbench, a moving column is slidably connected inside the vertical groove, a moving column frame is fixedly connected to the outside of the moving column, a moving rod is movably connected inside the moving column frame, the moving rod penetrates through the moving column frame and extends to the outside of the moving column frame, a moving tooth is fixedly connected to the outside of the moving rod, and the moving tooth meshes with the rocking tooth. Limit blocks are fixedly connected to both ends of the moving rod. A circular plate is fixedly connected to the outside of the rocking column, a circular hole is opened on the outside of the circular plate, a straight rod frame is fixedly connected to the outside of the baffle, a straight pin is slidably connected inside the straight rod frame, a straight rod spring is arranged outside the straight pin, and the straight pin is inserted into the circular hole.
[0007] Preferably, a rocking support is fixedly connected to the other side of the column to be moved. A short rotating column is fixedly connected inside the rocking support. A rocking block is movably connected to the outside of the short rotating column. A long strip plate is fixedly connected to the outside of the rocking block. A vertical plate is fixedly connected to the outside of the long strip plate. A clamping jaw is slidably connected inside the vertical plate. A circular tube is fixedly connected to the other side of the long strip plate. A screwing rod is threadedly connected inside the circular tube. The screwing rod penetrates through the baffle and extends to the outside of the screwing rod. A screwing ring is threadedly connected to the outside of the screwing rod. A limiting screwing block is fixedly connected to the other end of the screwing rod.
[0008] Preferably, a horizontal groove is formed at the top of the workbench. A sliding column is slidably connected inside the horizontal groove. A supporting plate is fixedly connected to the top of the sliding column. A fixing block is fixedly connected to the top of the supporting plate. A motor is fixedly connected to the top of the fixing block. An output shaft is fixedly connected to one end of the motor. A circular block is fixedly connected to the other end of the output shaft.
[0009] Preferably, an inserting cylinder is fixedly connected to the other side of the rotating block. A slot is formed on the outside of the inserting cylinder. A compression spring is arranged inside the inserting cylinder. An inserting short column is movably connected inside the inserting cylinder. An inserting column is fixedly connected to the outside of the inserting short column. The inserting column is slidably connected with the slot. A limiting ring is fixedly connected to the outside of the inserting column. An inclined knife is fixedly connected to the other end of the inserting column.
[0010] Preferably, a cylinder is fixedly connected to the bottom of the workbench. A cylindrical barrel is rotatably connected to the outside of the cylinder. A base is fixedly connected to the bottom of the cylindrical barrel. A bottom through hole is formed at the top of the base. A rotating block is fixedly connected to the outside of the cylindrical barrel. A rotating column is movably connected inside the rotating block. A rotating rod is fixedly connected to the outside of the rotating column. An inclined block is fixedly connected to the top of the rotating column. A wedge block is fixedly connected to the bottom of the workbench. The inclined block is clamped with the wedge block.
[0011] Preferably, a clamping groove is fixedly connected to the outside of the baffle. A clamping block is inserted into the clamping groove. An L-shaped block is fixedly connected to the top of the clamping block. A movable block is fixedly connected to one side of the workbench. A movable column is movably connected inside the movable block. A connecting block is fixedly connected to one end of the movable column. The connecting block is fixedly connected to the baffle.
[0012] Preferably, a hook is fixedly connected to the outside of the baffle. A buckle block is movably connected to the outside of the hook. An upper strip groove is fixedly connected to the outside of the buckle block. A lower strip groove is fixedly connected to the outside of the workbench. A movable door is slidably connected inside the upper strip groove. The lower strip groove is slidably connected with the movable door. An observation port is fixedly connected to the outside of the movable door. A pull handle is fixedly connected to the outside of the movable door. A storage plate is fixedly connected to the bottom of the workbench. A storage hole is formed in the storage plate. A straight groove opening is formed in the baffle. The straight groove is slidably connected with the screwing rod. An inclined plate is fixedly connected to the top of the workbench.
[0013] Compared with the related technologies, the inclined-rail CNC lathe provided by the present utility model for facilitating the adjustment of production precision has the following beneficial effects:
[0014] The present utility model provides an inclined-rail CNC lathe for facilitating the adjustment of production precision. The inclined-rail CNC lathe of this mechanism for facilitating the adjustment of processing precision can, through the design of the adjustment mechanism, make position adjustment according to the size of the part to be processed during processing, avoiding the situation that cutting fluid drips on the ground due to frequent manual taking in and out during position adjustment. Through this mechanism, adjustment can be directly carried out externally to adjust the processed part. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a schematic structural diagram of a preferred embodiment of the inclined-rail CNC lathe provided by the present utility model for facilitating the adjustment of production precision;
[0016] Figure 2 is Figure 1 the top view schematic diagram shown;
[0017] Figure 3 is Figure 1 the sectional view schematic diagram shown;
[0018] Figure 4 is Figure 3 the enlarged schematic diagram of part A shown;
[0019] Figure 5 is Figure 3 the enlarged schematic diagram of part B shown;
[0020] Figure 6 is Figure 3 the enlarged schematic diagram of part C shown;
[0021] Figure 7 is Figure 3 the enlarged schematic diagram of part D shown;
[0022] Figure 8 is Figure 1 the internal structure schematic diagram shown;
[0023] Figure 9 is Figure 8 the enlarged schematic diagram of part E shown.
[0024] Reference numerals in the figure: 1, workbench; 2, baffle; 3, crank; 4, rocking column; 5, groove; 6, rocker bracket; 7, rocking tooth; 8, vertical groove; 9, moving column; 10, moving column bracket; 11, moving rod; 12, moving tooth; 13, limiting block; 14, round plate; 15, round hole; 16, straight rod bracket; 17, straight pin; 18, straight rod spring; 19, rocking bracket; 20, rotating short column; 21, rocking block; 22, long strip plate; 23, vertical plate; 24, clamping jaw; 25, round tube; 26, screwing rod; 27, screwing ring; 28, screwing limiting block; 29, horizontal groove; 30, sliding column; 31, supporting plate; 32, fixing block; 33, motor; 34, output shaft; 35, round block; 36, inserting tube; 37, inserting slot; 38, compression spring; 39, inserting short column; 40, inserting column; 41, limiting ring; 42, inclined knife; 43, cylinder; 44, cylinder tube; 45, base; 46, bottom perforation; 47, rotating block; 48, rotating column; 49, rotating rod; 50, inclined block; 51, wedge block; 52, clamping slot; 53, clamping block; 54, L-shaped block; 55, movable block; 56, movable column; 57, connecting block; 58, hook; 59, buckling block; 60, upper strip groove; 61, lower strip groove; 62, movable door; 63, observation port; 64, pulling handle; 65, placing plate; 66, placing hole; 67, straight groove opening; 68, inclined plate. Detailed implementation mode
[0025] The present invention will be further described below in conjunction with the accompanying drawings and implementation modes.
[0026] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Figure 9 , wherein, Figure 1 is a schematic structural diagram of a preferred embodiment of the inclined rail CNC lathe provided by the present invention for facilitating the adjustment of production precision; Figure 2 is Figure 1 the top view shown; Figure 3 is Figure 1 the sectional view shown; Figure 4 is Figure 3 the enlarged view of part A shown; Figure 5 is Figure 3 the enlarged view of part B shown;
[0027] Figure 6 is Figure 3 the enlarged view of part C shown; Figure 7 is Figure 3 the enlarged view of part D shown; Figure 8 is Figure 1 the internal structural diagram shown;Figure 9 As Figure 8 shown in the enlarged schematic view of part E. The inclined-rail CNC lathe for facilitating the adjustment of production precision includes: A baffle 2 is fixedly connected to the top of a workbench 1. A crank 3 is movably connected inside the baffle 2. The crank 3 penetrates through the baffle 2 and extends to the outside of the baffle 2. A rocking column 4 is fixedly connected inside the crank 3. A groove 5 is provided on the outer side of one end of the rocking column 4. The groove 5 is clamped with the crank 3. A rocker support 6 is fixedly connected to the top of the workbench 1. The inside of the rocker support 6 is rotationally connected with the rocking column 4. The rocking column 4 penetrates through the rocker support 6 and extends to the outside of the rocker support 6. A rocking tooth 7 is fixedly connected to the other end of the rocking column 4. A vertical groove 8 is provided on the top of the workbench 1. A moving column 9 is slidably connected inside the vertical groove 8. A moving-column frame 10 is fixedly connected to the outside of the moving column 9. A moving rod 11 is movably connected inside the moving-column frame 10. The moving rod 11 penetrates through the moving-column frame 10 and extends to the outside of the moving-column frame 10. A moving tooth 12 is fixedly connected to the outside of the moving rod 11. The moving tooth 12 meshes with the rocking tooth 7. Limit blocks 13 are fixedly connected to both ends of the moving rod 11. A circular plate 14 is fixedly connected to the outside of the rocking column 4. A circular hole 15 is provided on the outside of the circular plate 14. A straight-rod frame 16 is fixedly connected to the outside of the baffle 2. A straight pin 17 is slidably connected inside the straight-rod frame 16. A straight-rod spring 18 is provided on the outside of the straight pin 17. The straight pin 17 is inserted into the circular hole 15.
[0028] By clamping the crank 3 with the rocking column 4, it is convenient to insert and rock when needed. When the baffle 2 is lowered during maintenance, the crank 3 will not squeeze the workbench 1. A circular hole 15 is provided on the outside of the circular hole 15, which is convenient for the straight pin 17 to be inserted into the circular hole 15 to lock the rocking column 4.
[0029] Another side of the moving column is fixedly connected with a rocking support 19. A rotating short column 20 is fixedly connected inside the rocking support 19. A rocking block 21 is movably connected to the outside of the rotating short column 20. A long strip plate 22 is fixedly connected to the outside of the rocking block 21. A vertical plate 23 is fixedly connected to the outside of the long strip plate 22. A clamping jaw 24 is slidably connected inside the vertical plate 23. A circular tube 25 is fixedly connected to the other side of the long strip plate 22. A screwing rod 26 is threadedly connected inside the circular tube 25. The screwing rod 26 penetrates through the baffle 2 and extends to the outside of the screwing rod 26. A screwing ring 27 is threadedly connected to the outside of the screwing rod 26. A limiting screwing block 28 is fixedly connected to the other end of the screwing rod 26.
[0030] By rotating the screwing rod 26, the circular tube 25 can push the long strip plate 22 to be inclined. When screwing back, the screwing rod 26 inside the circular tube 25 pulls back the long strip plate 22 to move backward. A rocking block 21 is movably connected to the outside of the rotating short column 20, so that the long strip can rotate with an inclined angle inside. The screwing ring 27 on the outside of the screwing rod 26 can limit the screwing rod 26.
[0031] A horizontal groove 29 is provided at the top of the workbench 1. A sliding column 30 is slidably connected inside the horizontal groove 29. A support plate 31 is fixedly connected to the top of the sliding column 30. A fixing block 32 is fixedly connected to the top of the support plate 31. A motor 33 is fixedly connected to the top of the fixing block 32. One end of the motor 33 is fixedly connected to an output shaft 34. The other end of the output shaft 34 is fixedly connected to a circular block 35.
[0032] The horizontal groove 29 facilitates the adjustment of the left - right stroke of the motor 33 at the top of the sliding column 30. When the output shaft 34 rotates, it can drive the circular block 35 to operate.
[0033] On the other side of the circular block 35, an insertion cylinder 36 is fixedly connected. A slot 37 is provided on the outside of the insertion cylinder 36. A compression spring 38 is arranged inside the insertion cylinder 36. A short insertion column 39 is movably connected inside the insertion cylinder 36. A plug post 40 is fixedly connected to the outside of the short insertion column 39. The plug post 40 is slidably connected with the slot 37. A limiting ring 41 is fixedly connected to the outside of the plug post 40. The other end of the plug post 40 is fixedly connected to an inclined knife 42.
[0034] By providing the slot 37 on the outside of the insertion cylinder 36, it is convenient for the plug post 40 to slide in. By arranging the compression spring 38 inside the insertion cylinder 36, it is convenient for the short insertion column 39 to rotate in. Under the elastic influence of the compression spring 38, the short insertion column 39 is pushed to achieve rapid replacement of different types of tool heads.
[0035] A cylinder 43 is fixedly connected to the bottom of the workbench 1. A cylinder 44 is rotatably connected to the outside of the cylinder 43. A base 45 is fixedly connected to the bottom of the cylinder 44. A bottom through - hole 46 is provided at the top of the base 45. A rotating block 47 is fixedly connected to the outside of the cylinder 44. A rotating column 48 is movably connected inside the rotating block 47. A rotating rod 49 is fixedly connected to the outside of the rotating column 48. A slanting block 50 is fixedly connected to the top of the rotating column 48. A wedge - shaped block 51 is fixedly connected to the bottom of the workbench 1. The slanting block 50 is clamped with the wedge - shaped block 51.
[0036] Through the cooperation of the cylinder 43 and the cylinder 44, it can rotate conveniently according to the actual situation. The function of the bottom through - hole 46 is to drive in expansion screws for fixation. When the rotating rod 49 rotates, the slanting block 50 and the wedge - shaped block 51 are clamped to lock after rotation.
[0037] A clamping groove 52 is fixedly connected to the outside of the baffle 2. A clamping block 53 is inserted into the clamping groove 52. An L - shaped block 54 is fixedly connected to the top of the clamping block 53. A movable block 55 is fixedly connected to one side of the workbench 1. A movable column 56 is movably connected inside the movable block 55. One end of the movable column 56 is fixedly connected to a connecting block 57. The connecting block 57 is fixedly connected to the baffle 2.
[0038] The cooperation between the card slot 52 and the card block 53 enables the baffle 2 to stand up for blocking to prevent dust and impurities from overflowing. The movable block 55 and the movable rod enable the baffle 2 to be lowered during maintenance and repair, increasing the space for easy operation.
[0039] A hook 58 is fixedly connected to the outside of the baffle 2. A buckle block 59 is movably connected to the outside of the hook 58. An upper strip groove 60 is fixedly connected to the outside of the buckle block 59. A lower strip groove 61 is fixedly connected to the outside of the workbench 1. A movable door 62 is slidably connected to the inside of the upper strip groove 60. The lower strip groove 61 is slidably connected to the movable door 62. An observation port 63 is fixedly connected to the outside of the movable door 62. A pull handle 64 is fixedly connected to the outside of the movable door 62. A storage board 65 is fixedly connected to the bottom of the workbench 1. Storage holes 66 are provided in the outside of the storage board 65. A straight groove opening 67 is provided in the outside of the baffle 2. A screwing rod 26 is slidably connected to the inside of the straight groove opening 67. An inclined plate 68 is fixedly connected to the top of the workbench 1.
[0040] By movably connecting a buckle block 59 to the outside of the hook 58, the movable door 62 can be installed on the front of the lathe. At the same time, the function of the upper strip groove 60 is to pull the two side baffles 2. An observation port 63 is provided in the outside of the movable door 62 for observing the internal operation. The material used for the observation port 63 is acrylic board to avoid using glass to prevent glass breakage.
[0041] The working principle of the inclined rail CNC lathe provided by the present utility model for facilitating the adjustment of production precision is as follows: By a person shaking the crank 3, the rocking column 4 clamped with the crank 3 can rotate. When the rocking column 4 rotates, the rocking teeth 7 outside the rocking column 4 engage with the moving rod 11 to move back and forth. When moving, the moving column slides inside the vertical groove 8 for easy position adjustment. A groove 5 is provided at one end of the rocking column 4 to facilitate the convex block installed inside the crank 3 to closely fit with the groove 5, and it can be easily removed when not in use in daily. A circular plate 14 is installed outside the rocking column 4, and a circular hole 15 is provided inside the circular plate 14 to facilitate the insertion and extraction of the direct pin 17 to lock the rocking column 4.
[0042] Compared with the related technology, the inclined rail CNC lathe provided by the present utility model for facilitating the adjustment of production precision has the following beneficial effects:
[0043] The present utility model provides an inclined rail CNC lathe for facilitating the adjustment of production precision. The mechanism of this inclined rail CNC lathe for facilitating the adjustment of machining precision enables position adjustment according to the size of the machined part during machining through the design of the adjustment mechanism, avoiding the frequent manual taking in and out during position adjustment, which causes cutting fluid to drip on the ground. Through this mechanism, the adjustment can be directly performed outside to adjust the machined part.
[0044] The above are only embodiments of the present utility model, and thus do not limit the patent scope of the present utility model. Any equivalent structural or equivalent process transformations made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall similarly be included within the patent protection scope of the present utility model.
Claims
1. An inclined rail CNC lathe facilitating the adjustment of production precision, characterized in that, Comprising: A baffle is fixedly connected to the top of the workbench. A crank is movably connected inside the baffle. The crank penetrates through the baffle and extends to the outside of the baffle. A rocking column is fixedly connected inside the crank. A groove is formed on the outside of one end of the rocking column, and the groove is clamped with the crank. A rocker support is fixedly connected to the top of the workbench. The inside of the rocker support is rotatably connected to the rocking column. The rocking column penetrates through the rocker support and extends to the outside of the rocker support. A rocking tooth is fixedly connected to the other end of the rocking column. A vertical groove is formed on the top of the workbench. A moving column is slidably connected inside the vertical groove. A moving column frame is fixedly connected to the outside of the moving column. A moving rod is movably connected inside the moving column frame. The moving rod penetrates through the moving column frame and extends to the outside of the moving column frame. A moving tooth is fixedly connected to the outside of the moving rod. The moving tooth meshes with the rocking tooth. Limit blocks are fixedly connected to both ends of the moving rod. A circular plate is fixedly connected to the outside of the rocking column. A circular hole is formed on the outside of the circular plate. A straight rod frame is fixedly connected to the outside of the baffle. A straight pin is slidably connected inside the straight rod frame. A straight rod spring is arranged on the outside of the straight pin. The straight pin is inserted into the circular hole.
2. The inclined rail CNC lathe facilitating the adjustment of production precision according to claim 1, wherein, A rocking support is fixedly connected to the other side of the moving column. A rotating short column is fixedly connected inside the rocking support. A rocking block is movably connected to the outside of the rotating short column. A long strip plate is fixedly connected to the outside of the rocking block. A vertical plate is fixedly connected to the outside of the long strip plate. A clamping jaw is slidably connected inside the vertical plate. A circular tube is fixedly connected to the other side of the long strip plate. A screwing rod is threadedly connected inside the circular tube. The screwing rod penetrates through the baffle and extends to the outside of the baffle. A screwing ring is threadedly connected to the outside of the screwing rod. A limiting block is fixedly connected to the other end of the screwing rod.
3. The inclined-rail CNC lathe facilitating the adjustment of production precision according to claim 1, characterized in that, A horizontal groove is formed on the top of the workbench. A sliding column is slidably connected inside the horizontal groove. A supporting plate is fixedly connected to the top of the sliding column. A fixing block is fixedly connected to the top of the supporting plate. A motor is fixedly connected to the top of the fixing block. An output shaft is fixedly connected to one end of the motor. A circular block is fixedly connected to the other end of the output shaft.
4. The inclined-rail CNC lathe facilitating adjustment of production precision according to claim 3, characterized in that, An insertion cylinder is fixedly connected to the other side of the circular block. A slot is formed on the outside of the insertion cylinder. A compression spring is arranged inside the insertion cylinder. An insertion short column is movably connected inside the insertion cylinder. An insertion column is fixedly connected to the outside of the insertion short column. The insertion column is slidably connected to the slot. A limiting ring is fixedly connected to the outside of the insertion column. An inclined knife is fixedly connected to the other end of the insertion column.
5. The inclined rail CNC lathe for facilitating the adjustment of production precision according to claim 1, characterized in that, A cylinder is fixedly connected to the bottom of the workbench. A cylinder barrel is rotatably connected to the outside of the cylinder. A base is fixedly connected to the bottom of the cylinder barrel. A bottom through hole is formed on the top of the base. A rotating block is fixedly connected to the outside of the cylinder barrel. A rotating column is movably connected inside the rotating block. A rotating rod is fixedly connected to the outside of the rotating column. An inclined block is fixedly connected to the top of the rotating column. A wedge block is fixedly connected to the bottom of the workbench. The inclined block is clamped with the wedge block.
6. The inclined-rail CNC lathe facilitating adjustment of production precision according to claim 1, wherein, A card slot is fixedly connected to the outside of the baffle. A card block is inserted into the card slot. An L-shaped block is fixedly connected to the top of the card block. A movable block is fixedly connected to one side of the workbench. A movable column is movably connected inside the movable block. A connecting block is fixedly connected to one end of the movable column. The connecting block is fixedly connected to the baffle.
7. The inclined-rail CNC lathe for facilitating the adjustment of production precision according to claim 1, wherein, A hook is fixedly connected to the outside of the baffle, a buckle is movably connected to the outside of the hook, an upper strip groove is fixedly connected to the outside of the buckle, a lower strip groove is fixedly connected to the outside of the workbench, a movable door is slidably connected to the inside of the upper strip groove, the lower strip groove is slidably connected to the movable door, an observation port is fixedly connected to the outside of the movable door, a pull handle is fixedly connected to the outside of the movable door, a storage board is fixedly connected to the bottom of the workbench, storage holes are formed in the outside of the storage board, a straight groove opening is formed in the outside of the baffle, a screwing rod is slidably connected to the inside of the straight groove, and an inclined plate is fixedly connected to the top of the workbench.