An on-line dimensional measurement device for mold machining

Abstract

The utility model relates to mould processing technical field, concretely is a kind of online size detection device for mould processing, it includes: bottom plate, bottom plate upper surface and support table bottom fixed connection, support table upper surface around is equipped with guide hole, four the guide hole is arranged in circumferential array, guide hole inside sliding installation has guide block, support table upper surface center fixed mounting has cushion block, support table top is provided with detection assembly, guide block upper surface and L type board bottom fixed connection, L type board top side fixedly connected with antiskid soft pad, guide block lower surface and connecting block fixed connection, connecting block one side is connected with the drive assembly for driving connecting block along the radial direction of support table movement;Through the cooperation of four around synchronous radial clamping mechanism and detection assembly, effectively realized the all-direction reliable fixing of mould in detection process, avoided the positioning instability or detection knock due to one-sided clamping, improved the consistency and accuracy of fillet and contour size detection.

Description

Technical Field

[0001] This utility model relates to the field of mold processing technology, specifically to an online dimension detection device for mold processing. Background Technology

[0002] Molds are key process equipment used in industrial production to impart specific shapes, dimensions, and properties to products through a series of methods such as injection molding, blow molding, extrusion, die casting, forging, smelting, and stamping. The accuracy of their dimensions directly determines the quality and yield rate of the final molded product. Therefore, after the mold is manufactured, it must undergo rigorous and comprehensive dimensional inspection to ensure that all parameters meet the requirements of the design drawings. This is a crucial quality checkpoint to ensure the smooth progress of subsequent mass production.

[0003] In existing technologies, before dimensional inspection of a mold, it is usually necessary to stabilize it on an inspection platform. A common method is to use a clamping and positioning mechanism, which typically includes two relatively movable clamping blocks. By driving these two clamping blocks to move towards each other, clamping forces can be applied to the mold from its left and right sides or designated sides, thereby completing the basic positioning and fixation of the mold and providing a prerequisite for subsequent inspection operations.

[0004] However, in actual comprehensive testing, the testing items are not limited to the linear dimensions of the mold such as length, width, and thickness. They often include checking the shape and size conformity of the rounded chamfers on its four edges. The existing positioning method, which clamps the mold only from opposite sides, can limit the movement of the mold in the clamping direction, but lacks effective limiting constraints on the sides perpendicular to the clamping direction. When the testing instrument contacts or approaches the mold from these unconstrained directions to perform chamfer testing, it is very easy to accidentally bump or interfere with the mold. This may cause a slight shift or rotation of the mold's position on the platform, which directly affects the benchmark of subsequent testing data and ultimately has an adverse effect on the accuracy and reliability of the testing results. Utility Model Content

[0005] The purpose of this invention is to provide an online dimension detection device for mold processing, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an online dimension detection device for mold processing, comprising: a base plate, the upper surface of the base plate being fixedly connected to the bottom of a support platform, guide holes being provided around the upper surface of the support platform, the four guide holes being arranged in a circular array, guide blocks being slidably installed in the guide holes, a pad being fixedly installed at the center of the upper surface of the support platform, and a detection component being provided on the top of the support platform. The upper surface of the guide block is fixedly connected to the bottom of the L-shaped plate. An anti-slip pad is fixedly connected to one side of the top of the L-shaped plate. The lower surface of the guide block is fixedly connected to the connecting block. A drive assembly for driving the connecting block to move radially along the support platform is connected to one side of the connecting block. Preferably, the detection component includes four atmospheric cylinders arranged in a circumferential array around the upper surface of the base plate. The bottom of the atmospheric cylinders is fixedly connected to the base plate, and the top output end of the atmospheric cylinders is fixedly connected to the periphery of the support plate.

[0007] Preferably, the lower surface of the support plate is fixedly connected to the top of the support rod, a small cylinder is fixedly installed on one side of the bottom of the support rod, four support rods are provided and arranged in a rectangular shape about the bottom of the support plate, and a rounded corner detection plate is fixedly connected to the output end of the small cylinder.

[0008] Preferably, the drive assembly includes a set of vertically arranged rotating shafts, each of which is rotatably fitted into a support seat fixedly connected to the lower surface of the top of the support platform.

[0009] Preferably, the outer ring surfaces on both sides of the rotating shaft are symmetrically provided with helical grooves in opposite directions. A worm wheel is fixedly sleeved in the middle of the upper rotating shaft, and a worm is formed in the middle of the lower rotating shaft. The worm and the worm wheel mesh and transmit power.

[0010] Preferably, the connecting blocks are all slidably sleeved on the rotating shaft, and a sliding pin is fixedly sleeved on the bottom of the connecting block. The sliding pin is located inside the connecting block and is slidably connected to the spiral groove at one end.

[0011] Compared with the prior art, the beneficial effects of this utility model are: through the coordinated cooperation of the four-sided synchronous radial clamping mechanism and the detection components, the mold is effectively fixed in all directions during the detection process, avoiding unstable positioning or detection bumps caused by unilateral clamping, and improving the consistency and accuracy of fillet and contour dimension detection. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a top view of the internal structure of this utility model; Figure 3 This is a bottom view of the internal structure of this utility model; Figure 4 This is a side view of the internal structure of this utility model; Figure 5 This utility model Figure 4 Enlarged schematic diagram of the structure at point A in the middle.

[0013] In the diagram: 1. Base plate; 2. Support platform; 3. Guide hole; 4. Guide block; 5. L-shaped plate; 6. Anti-slip pad; 7. Pad block; 8. Connecting block; 9. Large cylinder; 10. Support plate; 11. Support rod; 12. Small cylinder; 13. Rounded corner detection plate; 14. Rotating shaft; 15. Worm gear; 16. Worm; 17. Spiral groove; 18. Sliding pin. Detailed Implementation

[0014] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0015] Example 1: Please refer to Figures 1-5 This utility model provides a technical solution: an online dimension detection device for mold processing, comprising: a base plate 1, which serves as the foundation of the entire device and provides stable support for the entire device; the upper surface of the base plate 1 is fixedly connected to the bottom of a support platform 2; the upper side of the support platform 2 is circular; guide holes 3 are provided around the upper surface of the support platform 2, and the four guide holes 3 are arranged in a circumferential array; guide blocks 4 are slidably installed in the guide holes 3, and the guide holes 3 guide and limit the guide blocks 4; a pad 7 is fixedly installed at the center of the upper surface of the support platform 2, which facilitates the placement of the mold and prevents it from directly contacting the upper surface of the support platform 2; a detection component is provided on the top of the support platform 2 to detect the dimensions of the mold; the upper surface of the guide block 4 is fixedly connected to the bottom of an L-shaped plate 5; an anti-slip soft pad 6 is fixedly connected to one side of the top of the L-shaped plate 5; the lower surface of the guide block 4 is fixedly connected to a connecting block 8; the movement of the connecting block 8 can drive the L-shaped plate 5 and the anti-slip soft pad 6 to move; a driving component for driving the connecting block 8 to move radially along the support platform 2 is connected to one side of the connecting block 8.

[0016] In use, the mold is placed on the pad 7 to stabilize it. Driven by the drive component, the four connecting blocks 8 move radially along the top of the support platform 2 and towards the axis near the top of the support platform 2. Driven by the connecting blocks 8, the guide block 4 moves synchronously along the guide hole 3. The guide block 4 then drives the anti-slip soft pad 6 fixedly connected to one side of the L-shaped plate 5 to gradually approach the side wall of the mold until the anti-slip soft pad 6 is tightly attached to the side wall of the mold, thereby limiting and fixing the mold around its perimeter. This completely restrains the mold, preventing it from moving and avoiding accidental bumps or interference that could cause a slight shift or rotation of the mold's position on the platform, which would directly affect the accuracy of subsequent structural inspections. Finally, the mold is inspected by the inspection component.

[0017] Example 2: Based on Example 1, the detection component includes large air cylinders 9. An external central controller, the drive valves of each air cylinder 9, and position feedback elements constitute a closed-loop control system. The central controller, based on the set motion command, adopts a master-slave control strategy, using a designated air cylinder 9 as a reference, and calculates the position deviation of the other air cylinders 9 in real time through a PID control algorithm. It then generates compensation signals to dynamically adjust the output of each drive valve, thereby achieving precise synchronous control of the extension and retraction of the four air cylinders 9. Four air cylinders 9 are arranged in a circular array around the upper surface of the base plate 1. The bottom of the air cylinders 9 is fixedly connected to the base plate 1, and the top output end of the air cylinders 9 is fixedly connected to the periphery of the support plate 10. The lower surface of the support plate 10 is fixedly connected to the top of the support rod 11. A small air cylinder 12 is fixedly installed on one side of the bottom of the support rod 11. The small air cylinder 12 is also electrically connected to the external central controller, thereby controlling the synchronous extension and retraction of the small air cylinder 12. Four support rods 11 are arranged in a rectangular shape around the bottom of the support plate 10, and the output end of the small air cylinder 12 is fixedly connected to a rounded corner detection plate 13.

[0018] When the length, width, and height of the mold need to be inspected, it can be done simply by using a vernier caliper. When the rounded corners of the mold need to be inspected, the central controller controls the four large air cylinders 9 to retract synchronously. The large air cylinders 9 drive the support plate 10 to move downwards. The support plate 10 then drives the small air cylinders 12, which are fixedly connected to the bottom of the support rod 11, to descend until the small air cylinders 12 are located outside the four corners of the mold. At this time, the central controller controls the output ends of the four small air cylinders 12 to extend, causing the rounded corner detection plate 13 to abut against the four corners of the mold. Then, by checking whether there is a gap between the rounded corner detection plate 13 and the rounded corners of the mold body, it is determined whether the rounded corners of the mold body meet the standards, thus realizing convenient inspection of the rounded corners of the mold body.

[0019] Example 3: Based on Example 2, the drive assembly includes a set of vertically arranged rotating shafts 14. Each rotating shaft 14 is rotatably fitted into a support seat fixedly connected to the lower surface of the top of the support platform 2. The support seat provides limiting support for the rotating shafts 14, thereby improving the rotational stability of the rotating shafts 14. The outer ring surfaces on both sides of the rotating shafts 14 are symmetrically provided with spiral grooves 17 with opposite directions of rotation. A worm gear 15 is fixedly fitted in the middle of the upper rotating shaft 14, and a worm 16 is formed in the middle of the lower rotating shaft 14. The worm 16 and the worm gear 15 mesh and transmit power. A handwheel is fixedly installed at one end of the lower rotating shaft 14. Each connecting block 8 is slidably fitted onto the rotating shaft 14. A sliding pin 18 is fixedly fitted at the bottom of the connecting block 8. One end of the sliding pin 18 is located inside the connecting block 8 and is slidably connected to the spiral groove 17.

[0020] When the mold is placed on the pad 7 and needs to be clamped and positioned, the handwheel is turned to drive the lower rotating shaft 14 to rotate. The lower rotating shaft 14 will mesh with the worm gear 15 through the worm 16 in the middle, so that the worm gear 15 drives the upper rotating shaft 14 to rotate synchronously. With the two rotating shafts 14 rotating at the same time, the spiral groove 17 opened on the rotating shaft 14 drives the sliding pin 18 to slide in the spiral groove 17 and drive the connecting block 8 to move. The connecting block 8 is limited by the guide block 4 and the guide hole 3, so that the connecting block 8 moves along the axis of the rotating shaft 14. Then, the four guide blocks 4 synchronously drive the anti-slip soft pad 6 fixedly connected to one side of the L-shaped plate 5 to gradually approach the side wall of the mold until the anti-slip soft pad 6 is tightly attached to the side wall of the mold, thereby limiting and fixing the mold around its perimeter, thus completely constraining the mold and preventing it from moving. This ensures that the mold will not be displaced due to slight bumps during the inspection process, so as not to affect the inspection results.

[0021] 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. An online dimensional inspection device for mold processing, comprising a base plate (1), characterized in that: The upper surface of the base plate (1) is fixedly connected to the bottom of the support platform (2). Guide holes (3) are provided around the upper surface of the support platform (2). The four guide holes (3) are arranged in a circular array. Guide blocks (4) are slidably installed in the guide holes (3). A pad block (7) is fixedly installed in the center of the upper surface of the support platform (2). A detection component is provided on the top of the support platform (2). The upper surface of the guide block (4) is fixedly connected to the bottom of the L-shaped plate (5), and an anti-slip pad (6) is fixedly connected to one side of the top of the L-shaped plate (5). The lower surface of the guide block (4) is fixedly connected to the connecting block (8), and a driving assembly for driving the connecting block (8) to move radially along the support platform (2) is connected to one side of the connecting block (8). The driving assembly includes a set of vertically arranged rotating shafts (14), and the rotating shafts (14) are all rotatably sleeved in the support seat fixedly connected to the lower surface of the top of the support platform (2). 14) Both outer ring surfaces are symmetrically provided with spiral grooves (17) with opposite directions of rotation. A worm wheel (15) is fixedly sleeved in the middle of the upper rotating shaft (14), and a worm (16) is formed in the middle of the lower rotating shaft (14). The worm (16) and the worm wheel (15) mesh and drive each other. The connecting blocks (8) are all slidably sleeved on the rotating shaft (14). A sliding pin (18) is fixedly sleeved at the bottom of the connecting block (8). One end of the sliding pin (18) is located inside the connecting block (8) and is slidably connected to the spiral groove (17).

2. The online dimensional detection device for mold processing according to claim 1, characterized in that: The detection component includes a large atmospheric cylinder (9), four of which are arranged in a circumferential array about the upper surface of the base plate (1). The bottom of the atmospheric cylinder (9) is fixedly connected to the base plate (1), and the top output end of the atmospheric cylinder (9) is fixedly connected to the support plate (10) around the perimeter.

3. The online dimensional detection device for mold processing according to claim 2, characterized in that: The lower surface of the support plate (10) is fixedly connected to the top of the support rod (11). A small cylinder (12) is fixedly installed on one side of the bottom end of the support rod (11). There are four support rods (11) arranged in a rectangular shape about the bottom of the support plate (10). A rounded corner detection plate (13) is fixedly connected to the output end of the small cylinder (12).

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