A clamping device for die steel machining

Abstract

The utility model discloses a clamping device for die steel processing, including fixed frame, processing platform, clamping transmission subassembly, horizontal adjusting component, fixed platform, height -adjusting subassembly and rest platform, and rest platform is used for placing die steel, and height -adjusting subassembly can adjust its height, and horizontal adjusting component can adjust horizontal position, and clamping transmission subassembly drives adjustable clamping plate and limit board cooperation clamping steel through belt drive, and limit board is equipped with polyurethane buffer strip and is prevented from damaging. The device can multidirectional adjustment and steady clamping die steel, and adapts to different processing demand, and promotes processing accuracy and efficiency.

Description

Technical Field

[0001] This utility model relates to the field of mold processing equipment technology, specifically a clamping device for processing mold steel. Background Technology

[0002] In the field of mold steel processing, the performance of clamping devices has a significant impact on processing accuracy and efficiency, but existing technologies have many shortcomings:

[0003] Traditional lateral adjustment relies heavily on manual lead screws or simple motor drives, resulting in poor adjustment accuracy (e.g., adjustment error exceeding 0.5mm). This makes it difficult to meet the high-precision machining requirements of mold steel (e.g., precision mold parts require clamping position accuracy within ±0.1mm), easily leading to dimensional deviations and increasing scrap rates. 2. Clamping transmission relies on ordinary belts / chains, and speed differences between the left and right transmission components are prone to occur (e.g., belt slippage on one side, chain loosening), causing the clamping plate to "deviate," resulting in skewed clamping of the mold steel, uneven force during machining, and surface scratches on the mold. Problems include: 1. Asymmetric processing features; 2. Simple guide structure of height adjustment components (such as ordinary slide rail + slider), which is prone to jamming and tilting when pushing the block to rise and fall, and cannot stably support the mold steel (especially heavy steel, such as mold blanks weighing over 100kg), resulting in height deviation during processing, affecting the vertical accuracy of milling, drilling and other processes; 3. Hard contact between clamping plate and limit plate and steel (such as direct metal collision), the surface of mold steel is easily scratched and dented, damaging the surface accuracy (such as mold polished surface, nitrided layer), and subsequent repair costs are high and the cycle is long.

[0004] Therefore, it is necessary to design a clamping device for processing mold steel to solve the problems mentioned above. Utility Model Content

[0005] In addressing the problems of insufficient adjustment precision, poor clamping stability, easy damage to the steel surface, and unsmooth height adjustment in existing mold steel processing clamping devices, this utility model provides a clamping device for mold steel processing. By optimizing the lateral adjustment, clamping transmission, height adjustment, and protective structure, it achieves precise clamping and stable processing of mold steel, adapts to different specifications of steel, and improves processing quality and efficiency.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A clamping device for processing mold steel is comprised of a fixed frame, a processing platform, a clamping transmission assembly, a lateral adjustment assembly, a fixed table, a height adjustment assembly, and a placement table. The components work together to meet the processing requirements of clamping, adjusting the position, and adapting the height of the mold steel.

[0008] Furthermore, the lateral adjustment component adopts a transmission scheme of "screw nut seat + transmission screw + pulley - transmission belt + motor": a screw nut seat is set at the bottom of the fixed platform, through which the transmission screw runs. The transmission screw is connected to the second pulley on one axial side, and is linked to the first pulley via the first transmission belt. The first pulley is driven by the first motor.

[0009] With the above technical solution, the first motor operates, and the power is transmitted through the pulley and transmission belt, which drives the transmission screw to rotate. The screw nut seat moves along the axial direction of the transmission screw, realizing the lateral position adjustment of the fixed platform and the upper components, and accurately adapting to the clamping requirements of mold steel of different widths.

[0010] Furthermore, the clamping transmission assembly constructs a clamping system consisting of "a third transmission belt + multiple pulleys (sixth, fourth, fifth, and third pulleys) + transmission rod + motor + belt engagement seat + adjustable clamping plate": the machining platform has a third transmission belt on both sides of the longer side, connecting the sixth and fourth pulleys at the beginning and end; the fourth pulley is connected to the transmission rod, and the fifth pulley on the transmission rod is linked to the second motor of the third pulley via the second transmission belt; the left and right sides of the third transmission belt have internal engagement belt engagement seats, and the two belt engagement seats are connected by an adjustable clamping plate; the top of the machining platform has a matching limiting plate;

[0011] With the above technical solution, the second motor starts, and the power is transmitted through multiple pulleys and transmission belts to drive the third transmission belt to rotate. The belt engagement seat moves with the belt, which drives the adjustable clamping plate to perform clamping / releasing actions on the mold steel. The limit plate helps to limit the position of the steel to ensure stable clamping.

[0012] Furthermore, the height adjustment component is designed with a height adjustment structure of "height adjustment cylinder + push block + dovetail groove - slide rail + connecting column": the height adjustment cylinder is installed on the side of the fixed platform, and its output end is connected to the push block. The top of the push block is connected to the bottom of the platform via the connecting column; the back of the push block is provided with a dovetail groove structure slide rail, and the side of the fixed platform is paired with a corresponding slide rail, and the two are slidably connected.

[0013] Through the above technical solution, the cylinder extension and retraction are adjusted to push the block to slide stably along the dovetail groove-slide rail. The connecting column drives the placement platform and the mold steel above to rise and fall, adapting to the height requirements of different processing procedures. The dovetail groove structure ensures that the lifting process is smooth and does not deviate.

[0014] Furthermore, a 2-4mm thick polyurethane buffer strip is installed on the side of the limiting plate facing the adjustable clamping plate and fixed with countersunk screws;

[0015] Through the above technical solution, the buffer strip can absorb the impact force at the moment of clamping, avoid damage to the surface of the mold steel due to hard contact, and protect the precision of the steel.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] This utility model, through the design of a clamping device for processing mold steel, achieves the following effects: 1. By employing a precision fit between a lead screw nut seat and a transmission lead screw, coupled with motor drive, manual / simple adjustment is replaced, improving the lateral adjustment accuracy to within ±0.1mm. This meets the clamping accuracy requirements of precision mold steel (such as injection mold inserts and automotive mold cavity plates), reducing processing scrap due to positional deviations. The motor drive replaces manual adjustment, reducing lateral adjustment time from 5-10 minutes to 1-2 minutes. It is suitable for mold steel of different widths (adjustment range covering 50-500mm), increasing production line changeover efficiency by over 60%, and supporting multi-variety, small-batch mold processing scenarios. 2. The synchronous pulley + transmission belt transmission structure ensures the synchronous movement of the left and right clamping plates, ensuring precise centering of the mold steel after clamping. This results in uniform force distribution during processing, avoiding surface defects caused by misalignment. Scratching and machining feature misalignment (such as mold cavity misalignment) are prevented, ensuring the accuracy of key mold dimensions (such as cavity depth and insert slot position) and improving mold assembly pass rate; the flexible transmission of belt engagement seat + adjustable clamping plate replaces hard connection clamping, reducing the risk of scratches and indentations on the steel surface, especially suitable for high-precision mold steel (such as polished and nitrided mold parts), reducing surface repair costs; 3. Dovetail groove guide structure + cylinder drive, pushing block to lift smoothly, can stably support heavy mold steel (such as 100-200kg blanks), ensuring the vertical accuracy of milling, drilling and other processes, and improving the positional accuracy of mold machining features (such as the verticality of mold cooling holes and ejector pin holes); cylinder drive enables rapid height adjustment, adapting to the height requirements of different processes such as milling (requiring the steel to be close to the tool) and inspection (requiring the steel to be close to the inspection head), shortening the overall mold processing cycle. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the main structure of this utility model;

[0020] Figure 3 This is a three-dimensional structural schematic diagram of the lateral adjustment component of this utility model;

[0021] Figure 4 This is a three-dimensional structural diagram of the clamping and transmission assembly of this utility model.

[0022] In the diagram: 1. Fixed frame; 2. Machining platform; 3. Clamping transmission assembly; 4. Lateral adjustment assembly; 5. Fixed table; 6. Height adjustment assembly; 7. Placement table; 8. Belt engagement seat; 9. Adjustable clamping plate; 10. Limiting plate; 31. Third transmission belt; 32. Sixth pulley; 33. Fourth pulley; 34. Transmission rod; 35. Fifth pulley; 36. Second transmission belt; 37. Third pulley; 38. Second motor; 41. Lead screw nut seat; 42. Transmission lead screw; 43. Second pulley; 44. First transmission belt; 45. First pulley; 46. First motor; 61. Height adjustment cylinder; 62. Push block; 63. Connecting column. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0024] To facilitate understanding of this utility model, a more comprehensive description will be given below with reference to the accompanying drawings. Several embodiments of this utility model are provided. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this utility model will be more thorough and complete.

[0025] Example 1

[0026] Please see Figure 1 and Figure 2 This embodiment discloses a clamping device for processing mold steel, including a fixed frame 1, a processing platform 2 located on top of the fixed frame 1, a clamping transmission assembly 3 located on the processing platform 2, a lateral adjustment assembly 4, a fixed table 5 located on the lateral adjustment assembly 4, and a placement table 7 located above the fixed table 5 and connected by a height adjustment assembly 6. The placement table 7 is used to place the mold steel to be processed.

[0027] Example 2

[0028] Please see Figure 3 Based on embodiment 1, this embodiment further defines the lateral adjustment component 4 as including a lead screw nut seat 41 located at the bottom of the fixed platform 5. A transmission lead screw 42 is provided through the inside of the lead screw nut seat 41. A second pulley 43 is connected to one axial side of the transmission lead screw 42. The second pulley 43 is connected to a first pulley 45 through a first transmission belt 44. A first motor 46 is connected to the input end of the first pulley 45.

[0029] Example 3

[0030] Please see Figure 4 Based on Embodiment 1, this embodiment further defines the clamping transmission assembly 3 as including a third transmission belt 31 located on both sides of the longer side of the processing platform 2. The first and last ends of the third transmission belt 31 are respectively connected to a sixth pulley 32 and a fourth pulley 33. The input end of the fourth pulley 33 is connected to a transmission rod 34. A fifth pulley 35 is also provided on the transmission rod 34 on one side of the fourth pulley 33. A second transmission belt 36 is connected to the fifth pulley 35, and a second motor 38 with a third pulley 37 is connected through the second transmission belt 36.

[0031] Example 4

[0032] Please see Figure 4 Based on embodiment 3, this embodiment further defines that the third transmission belt 31 on the left and right sides is internally meshed with belt meshing seats 8, and an adjustable clamping plate 9 is fixedly connected between the belt meshing seats 8 on the left and right sides. The top of the processing platform 2 is provided with a limiting plate 10 on one side of the transmission rod 34, which is used in conjunction with the adjustable clamping plate 9.

[0033] Example 5

[0034] Please see Figure 3 Based on Embodiment 1, this embodiment further defines the height adjustment component 6 as including a height adjustment cylinder 61 fixedly installed on the side of the fixed platform 5. The upper output end of the height adjustment cylinder 61 is connected to a push block 62. The top of the push block 62 is connected to the bottom of the placement platform 7 through a connecting column 63, so as to drive the placement platform 7 and the mold steel above it to adjust the height.

[0035] Example 6

[0036] Please see Figure 3 Based on embodiment 5, this embodiment further specifies that the back of the push block 62 is provided with a sliding groove, which is a dovetail groove structure, and a corresponding slide rail is provided on the side of the fixed platform 5. The push block 62 and the fixed platform 5 are slidably connected through the sliding groove and the slide rail.

[0037] Example 7

[0038] Please see Figure 1 Based on Example 4, this embodiment further specifies that a polyurethane buffer strip with a thickness of 2-4mm is installed on the side of the limiting plate 10 facing the adjustable clamping plate 9. The buffer strip is fixed to the limiting plate 10 by countersunk screws to avoid clamping impact damage to the surface of the mold steel.

[0039] The working process of this utility model is as follows: When using the clamping device for processing mold steel, the mold steel to be processed is first placed on the placement platform 7. The placement platform 7 is connected to the fixed platform 5 through the height adjustment component 6, and the height can be adjusted according to processing requirements. The height adjustment cylinder 61 in the height adjustment component 6 is activated. The output end of the height adjustment cylinder 61 pushes the push block 62. The push block 62 drives the placement platform 7 to move up and down through the connecting column 63, thereby adjusting the height of the mold steel. The dovetail groove structure on the back of the push block 62 slides in cooperation with the slide rail on the side of the fixed platform 5 to ensure the stability of the height adjustment process.

[0040] Then, the first motor 46 is started, which drives the first pulley 45 to rotate. The first pulley 45 drives the second pulley 43 to rotate through the first transmission belt 44, which in turn causes the transmission screw 42 to rotate. The screw nut seat 41 moves on the transmission screw 42, which drives the fixed platform 5 and the mold steel on the placement platform 7 to adjust their lateral position.

[0041] The second motor 38 is started, which drives the third pulley 37 to rotate. The third pulley 37 drives the fifth pulley 35 to rotate through the second transmission belt 36. The transmission rod 34 rotates with the fifth pulley 35, which in turn causes the fourth pulley 33 to rotate. The fourth pulley 33 drives the sixth pulley 32 to rotate through the third transmission belt 31. The third transmission belts 31 on the left and right sides drive the belt engagement seat 8 to move, so that the adjustable clamping plate 9 moves towards the limiting plate 10 until the mold steel is clamped and fixed. The polyurethane buffer strip on the limiting plate 10 can prevent the clamping impact from damaging the surface of the mold steel.

[0042] After processing is completed, the second motor 38 is started in reverse to loosen the mold steel by the adjustable clamping plate 9. Then, the placement table 7 is reset by the height adjustment component 6 and the horizontal adjustment component 4, and the processed mold steel is removed.

[0043] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A clamping device for processing mold steel, characterized in that: The assembly includes a fixed frame (1), a processing platform (2) located on top of the fixed frame (1), a clamping transmission assembly (3) located on the processing platform (2), a lateral adjustment assembly (4), a fixed table (5) located on the lateral adjustment assembly (4), and a placement platform (7) connected above the fixed table (5) via a height adjustment assembly (6). The placement platform (7) is used to place the mold steel to be processed. The lateral adjustment assembly (4) includes a lead screw nut seat (41) located at the bottom of the fixed table (5). A transmission lead screw (42) is installed through the inside of the lead screw nut seat (41). A second pulley (43) is connected to one axial side of the transmission lead screw (42). The second pulley (43) is connected to the first transmission belt (44). There is a first pulley (45), and the input end of the first pulley (45) is connected to a first motor (46). The clamping transmission assembly (3) includes a third transmission belt (31) located on both sides of the longer side of the processing platform (2). The first and last ends of the third transmission belt (31) are respectively connected to a sixth pulley (32) and a fourth pulley (33). The input end of the fourth pulley (33) is connected to a transmission rod (34). A fifth pulley (35) is also provided on the transmission rod (34) on one side of the fourth pulley (33). A second transmission belt (36) is connected to the fifth pulley (35), and a second motor (38) with a third pulley (37) is connected through the second transmission belt (36).

2. The clamping device for processing mold steel according to claim 1, characterized in that: The third transmission belt (31) located on the left and right sides is internally connected to a belt engagement seat (8), and an adjustable clamping plate (9) is fixedly connected between the belt engagement seats (8) on the left and right sides. The top of the processing platform (2) is provided with a limiting plate (10) on one side of the transmission rod (34) that works in conjunction with the adjustable clamping plate (9).

3. The clamping device for processing mold steel according to claim 1, characterized in that: The height adjustment component (6) includes a height adjustment cylinder (61) fixedly installed on the side of the fixed platform (5). The upper output end of the height adjustment cylinder (61) is connected to a push block (62). The top of the push block (62) is connected to the bottom of the placement platform (7) through a connecting column (63) to drive the placement platform (7) and the mold steel above it to adjust the height.

4. The clamping device for processing mold steel according to claim 3, characterized in that: The push block (62) has a sliding groove on its back, which is a dovetail groove structure. The fixed platform (5) has a corresponding slide rail on its side. The push block (62) and the fixed platform (5) are slidably connected by the sliding groove and the slide rail.

5. A clamping device for processing mold steel according to claim 2, characterized in that: The limiting plate (10) is equipped with a polyurethane buffer strip with a thickness of 2-4mm on the side facing the adjustable clamping plate (9). The buffer strip is fixed to the limiting plate (10) by countersunk screws to avoid clamping impact damage to the surface of the mold steel.

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