High-precision engraving device for complex curved surface mold

By introducing a stepper motor and worm gear transmission system into the mold engraving device, the tilt adjustment of the engraving cutter is realized, solving the problem of inconvenient operation when engraving the concave parts of complex curved molds, and achieving efficient and high-precision engraving.

CN223719148UActive Publication Date: 2025-12-26HUBEI STARTING POINT PRECISION MOULD CO LTD
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Patent Information

Application Number
CN202423290894.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-26
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing mold engraving devices require frequent adjustments to the angle of the mold blank when performing high-precision engraving on complex curved molds, especially for grinding and engraving concave parts, which leads to inconvenience in operation.

Method used

The carving tool's tilt can be adjusted by using a combination of a fourth stepper motor, a second worm gear, a third stepper motor, and a rotating shaft. The stepper motor drives the worm and worm gear to rotate the rotating plate and base plate, thus adjusting the tilt direction of the carving tool to accommodate carving concave parts in different directions.

Benefits of technology

High-precision engraving of the inclined concave parts can be performed without flipping the mold blank, improving engraving efficiency and accuracy.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223719148U_ABST
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Abstract

The utility model provides a high-precision engraving device for a complex curved surface mold. Belongs to the field of die processing. According to the technical key points, the device comprises a first adjusting mechanism, the first adjusting mechanism comprises a base, vertical plates are symmetrically and fixedly connected to the top of the base, a second lead screw is rotationally connected between the two vertical plates, a movable seat is in threaded connection with the outer side of the second lead screw, and a second stepping motor is fixedly connected to one side of one vertical plate; the output end of the second stepping motor is fixedly connected with one end of the second lead screw. The second adjusting mechanism comprises a hydraulic rod fixedly connected to one side of the moving seat, the output end of the hydraulic rod is fixedly connected with a connecting plate, and the bottom of the connecting plate is rotationally connected with a rotating shaft; the utility model aims to provide a high-precision engraving device for a complex curved surface mold. The device is used for high-precision engraving of a complex curved-surface mold, and is more convenient and faster.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mould processing field, concretely is a complex curved surface mould high accuracy engraving device. BACKGROUND

[0002] Mould, industrial production is used to injection moulding, blow moulding, extrusion, die casting or forging pressure forming, smelting, stamping etc. the method of getting the required product various moulds and tools. In short, mould is used to make the tool of forming article, and the tool is formed by various parts, and different moulds are formed by different parts. It realizes the machining of article shape mainly through the change of the physical state of the formed material.

[0003] The current mould engraving device, such as the patent with the announcement number CN215034152U, includes a box body, a screw rod one is rotationally connected in the box body, a worm wheel is fixedly installed on the outer surface of the screw rod one, a worm is rotationally connected in the box body, the worm wheel is engaged with the worm, a threaded barrel one is threadedly connected on the one end of the screw rod one that extends out of the box body, a handle is fixedly connected on the outer surface of the threaded barrel one, a rotating barrel is rotationally connected on the threaded barrel one, a placing disc is fixedly connected on the top end of the screw rod one, a supporting rod is slidingly connected in the placing disc, a clamping plate is fixedly connected on the supporting rod, and the bottom of the supporting rod is rotationally connected with the top of the connecting rod one.

[0004] For the related technology in the above, the inventor believes that when high-precision engraving is carried out on part of the complex curved surface mould, the inner recessed part on the mould blank often needs to be ground and engraved, but because the carving knife is always vertically downward, the angle of the mould blank often needs to be adjusted when the inner recessed part on the mould blank is ground and engraved, thereby causing the high-precision engraving of the complex curved surface mould to be inconvenient. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a complex curved surface mould high-precision engraving device to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A complex curved surface mould high-precision engraving device, comprising

[0008] A first adjusting mechanism, the first adjusting mechanism comprises a base, the top of the base is fixedly connected with a vertical plate in a symmetrical mode, a second lead screw is rotationally connected between two groups of vertical plates, a moving seat is threadedly connected to the outer side of the second lead screw, a second stepper motor is fixedly connected to one side of one group of vertical plates, and the output end of the second stepper motor is fixedly connected with one end of the second lead screw;

[0009] The second adjusting mechanism comprises a hydraulic rod fixedly connected to one side of the moving seat, an output end of the hydraulic rod is fixedly connected with a connecting plate, a bottom of the connecting plate is rotationally connected with a rotating shaft, a bottom of the rotating shaft is fixedly connected with a fixed plate, an outer side of the rotating shaft is fixedly connected with a first worm wheel, an outer side of the first worm wheel is meshingly connected with a first worm, one side of the bottom of the connecting plate is fixedly connected with a third stepping motor, and an output end of the third stepping motor is fixedly connected with the first worm;

[0010] The turning mechanism comprises mounting plates symmetrically fixedly connected to the bottom of the fixed plate, connecting shafts rotationally connected to the opposite sides of the two groups of mounting plates, turning plates fixedly connected to the outer sides of the two groups of connecting shafts, a bottom plate fixedly connected to the bottoms of the two groups of turning plates, a driving motor fixedly connected to the top of the bottom plate, a carving knife fixedly connected to the output end of the driving motor, second worm wheels fixedly connected to the ends of the connecting shafts away from the mounting plates, second worms meshingly connected to the outer sides of the second worm wheels, and a fourth stepping motor fixedly connected to the top of the fixed plate, wherein an output end of the fourth stepping motor is fixedly connected with the second worm.

[0011] As a further scheme of the utility model: the top of the base is fixedly connected with support blocks symmetrically, a first screw rod is rotationally connected between the two groups of support blocks, a support seat is threadedly connected to the outer side of the first screw rod, the support seat is slidingly connected with the base, a first stepping motor is fixedly connected to one side of the base, and an output end of the first stepping motor is fixedly connected with one end of the first screw rod.

[0012] As a further scheme of the utility model: rubber bellows are fixedly connected between the support seat and the two groups of support blocks, and the two groups of rubber bellows are sleeved on the outer side of the first screw rod.

[0013] As a further scheme of the utility model: a guide rod is slidingly penetrated into the inside of the moving seat, and the two ends of the guide rod are fixedly connected with the two end standing plates respectively.

[0014] As a further scheme of the utility model: the opposite sides of the two groups of mounting plates are fixedly connected with reinforcing rib plates, and the two groups of reinforcing rib plates are fixedly connected with the fixed plate.

[0015] As a further scheme of the utility model: a plurality of hanging rods are fixedly connected in a ring array at the bottom of the connecting plate, a plurality of supporting rings are detachably connected to the bottom of each group of hanging rods, a plurality of rolling balls are fixedly connected in a ring array at the top of each supporting ring, and the rolling balls are in contact with the bottom of the fixed plate.

[0016] As a further scheme of the utility model: each group of the suspender all penetrates the supporting ring, and the outer side of each group of the supporting ring is all screw connected with the limiting nut arranged at the bottom of the supporting ring.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] The utility model discloses adopt above -mentioned structure after, through the mutual cooperation of fourth stepper motor, second worm wheel, third stepper motor and pivot, make fourth stepper motor can drive second worm to rotate when starting work, second worm can drive second worm wheel, connecting shaft and rotary plate to rotate when rotating, and rotary plate can drive bottom plate to rotate when rotating, can thus adjust engraver to be inclined, and third stepper motor can drive first worm and first worm wheel to rotate when starting work, first worm wheel can drive pivot and bottom plate to rotate when rotating, thereby realize the adjustment of the inclination direction of the engraver that rotates to be inclined, thereby realize grinding and carving to the inner recess part of different directions on the die blank, make the recess part of the inclination direction of the die blank be processed without turning over the die blank, make it be more convenient and fast to high-precision carving to the complex curved surface die. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model will be further explained in detail below in combination with the embodiment in the drawing, but does not constitute any limit to the utility model.

[0020] Figure 1 It is a partial structure sectional view of a complex curved surface die high-precision carving device.

[0021] Figure 2 It is a partial structure sectional view of a complex curved surface die high-precision carving device. Figure 1

[0022] Figure 3 It is a partial structure sectional view of a complex curved surface die high-precision carving device. Figure 1

[0023] Figure 4 It is a partial structure sectional view of a complex curved surface die high-precision carving device.

[0024] ​​In the figure: 1, the first adjusting mechanism; 101, the base; 102, the support seat; 103, the first screw rod; 104, the rubber bellows; 105, the first stepper motor; 106, the support block; 107, the vertical plate; 108, the second screw rod; 109, the moving seat; 110, the guide rod; 111, the second stepper motor; 2, the second adjusting mechanism; 201, the hydraulic rod; 202, the connecting plate; 203, the rotating shaft; 204, the first worm gear; 205, the third stepper motor; 206, the first worm; 207, the fixed plate; 208, the boom; 209, the supporting ring; 210, the ball; 211, the limiting nut; 3, the steering mechanism; 301, the mounting plate; 302, the reinforcing rib plate; 303, the rotating plate; 304, the connecting shaft; 305, the second worm gear; 306, the engraving knife; 307, the second worm; 308, the fourth stepper motor; 309, the driving motor; 310, the bottom plate. DETAILED DESCRIPTION

[0025] The technical scheme of the patent will be further described in detail in combination with the specific embodiments.

[0026] Please refer to Figures 1-4 A high-precision engraving device for complex curved surface molds comprises a first adjusting mechanism 1, which comprises a base 101. The top of the base 101 is fixedly connected with support blocks 106 in a symmetrical manner. First screw rods 103 are rotatably connected between the two groups of support blocks 106. The support blocks 106 are provided to support the first screw rods 103. A first stepper motor 105 is fixedly connected to one side of the base 101. The output end of the first stepper motor 105 is fixedly connected with one end of the first screw rod 103. The first stepper motor 105 is provided to drive the first screw rod 103 to rotate when it is started. A support seat 102 is threadedly connected to the outer side of the first screw rod 103. The support seat 102 is provided to support the mold blank to be engraved. Rubber bellows 104 are fixedly connected between the support seat 102 and the two groups of support blocks 106. The two groups of rubber bellows 104 are sleeved on the outer side of the first screw rod 103. The rubber bellows 104 are provided to shield the first screw rod 103, so as to reduce the probability of debris generated during the engraving of the mold blank falling on the first screw rod 103.

[0027] The support base 102 is in sliding connection with the base 101, and the first lead screw 103 is arranged to drive the support base 102 to move when rotating, so as to move the mold blank to be engraved placed on the support base 102. The top of the base 101 is fixedly connected with the vertical plate 107 in a symmetrical manner, and the second lead screw 108 is rotatably connected between the two groups of vertical plates 107, and the vertical plate 107 is arranged to support the second lead screw 108. One side of one group of vertical plates 107 is fixedly connected with the second stepping motor 111, and the output end of the second stepping motor 111 is fixedly connected with one end of the second lead screw 108. The second stepping motor 111 is arranged to drive the second lead screw 108 to rotate when starting to work.

[0028] The outer side of the second lead screw 108 is threadedly connected with the moving seat 109, and the second lead screw 108 is arranged to drive the moving seat 109 to move transversely when rotating. The inside of the moving seat 109 is slidably penetrated by the guide rod 110, and the two ends of the guide rod 110 are fixedly connected with the two end vertical plates 107 respectively. The guide rod 110 is arranged to guide and assist the support of the movement of the moving seat 109. The second adjusting mechanism 2 comprises a hydraulic rod 201 fixedly connected to one side of the moving seat 109, and the output end of the hydraulic rod 201 is fixedly connected with a connecting plate 202. The hydraulic rod 201 is arranged to drive the connecting plate 202 to move up and down when starting to work, so as to adjust the height of the connecting plate 202. The bottom of the connecting plate 202 is rotatably connected with a rotating shaft 203, and the bottom of the rotating shaft 203 is fixedly connected with a fixed plate 207. The rotating shaft 203 is arranged to support the fixed plate 207, and can drive the fixed plate 207 to rotate when the rotating shaft 203 rotates.

[0029] The bottom of the connecting plate 202 is fixedly connected with a plurality of hanging rods 208 in a ring array, and the bottom of each group of hanging rods 208 is detachably connected with a supporting ring 209. The hanging rod 208 is arranged to support the supporting ring 209. Each group of hanging rods 208 penetrates the supporting ring 209, and the outer side of each group of supporting rings 209 is threadedly connected with a limiting nut 211 arranged at the bottom of the supporting ring 209. The limiting nut 211 is arranged to limit the supporting ring 209, so as to reduce the probability of the supporting ring 209 falling off. The top of the supporting ring 209 is fixedly connected with a plurality of balls 210 in a ring array, and the balls 210 are in contact with the bottom of the fixed plate 207. The balls 210 and the supporting ring 209 are arranged to assist the support of the fixed plate 207, so as to improve the stability of the fixed plate 207. When the fixed plate 207 rotates, each group of balls 210 can roll on the bottom of the fixed plate 207, so as to reduce the friction between the fixed plate 207 and the supporting ring 209.

[0030] The outer side of the rotating shaft 203 is fixedly connected with a first worm gear 204, the outer side of the first worm gear 204 is engagedly connected with a first worm 206, the first worm 206 is arranged to drive the first worm gear 204 and the rotating shaft 203 to rotate when rotating. The bottom side of the connecting plate 202 is fixedly connected with a third stepping motor 205, the output end of the third stepping motor 205 is fixedly connected with the first worm 206, and the third stepping motor 205 is arranged to drive the first worm 206 to rotate when starting to work. The steering mechanism 3 comprises mounting plates 301 fixedly connected to the bottom of a fixed plate 207, and the opposite sides of the two groups of mounting plates 301 are fixedly connected with reinforcing rib plates 302, and the two groups of reinforcing rib plates 302 are fixedly connected with the fixed plate 207, and the reinforcing rib plates 302 are arranged to further connect and fix the mounting plates 301 and the fixed plate 207, thereby improving the connection stability of the mounting plates 301 and the fixed plate 207.

[0031] The opposite sides of the two groups of mounting plates 301 are rotatably connected with connecting shafts 304, the outer sides of the two groups of connecting shafts 304 are fixedly connected with rotating plates 303, and the connecting shafts 304 are arranged to drive the rotating plates 303 to rotate when rotating. The end of the connecting shaft 304 away from the mounting plate 301 is fixedly connected with a second worm gear 305, the outer side of the second worm gear 305 is engagedly connected with a second worm 307, and the second worm 307 is arranged to drive the second worm gear 305 and the connecting shaft 304 to rotate when rotating, and the self-locking property of the second worm 307 and the second worm gear 305 can now reduce the probability of the connecting shaft 304 and the rotating plate 303 rotating by themselves. The top of the fixed plate 207 is fixedly connected with a fourth stepping motor 308, the output end of the fourth stepping motor 308 is fixedly connected with the second worm 307, and the second worm 307 is arranged to drive the second worm 307 to rotate when starting to work. The bottom of the two groups of rotating plates 303 is fixedly connected with a bottom plate 310, the top of the bottom plate 310 is fixedly connected with a driving motor 309, the output end of the driving motor 309 is fixedly connected with a carving knife 306, and the driving motor 309 is arranged to drive the carving knife 306 to rotate when starting to work, so that the carving knife 306 can grind and carve the mold blank when rotating.

[0032] In use, the mold blank to be engraved is placed on the top of the support seat 102, and then the driving motor 309 is started to drive the engraving cutter 306 to rotate, and then the hydraulic rod 201 is started to drive the connecting plate 202 and the engraving cutter 306 to move downward, and when the engraving cutter 306 moves downward to contact the mold blank, the mold blank can be ground and engraved, and at the same time, the second stepper motor 111 is started to drive the second lead screw 108 to rotate, and the second lead screw 108 drives the hydraulic rod 201 and the engraving cutter 306 to move left and right when rotating, so as to realize processing of different left and right positions of the mold blank, and the first stepper motor 105 is started to drive the first lead screw 103 to rotate, and the first lead screw 103 drives the support seat 102 and the mold blank on the support seat 102 to move forward and backward when rotating, so as to realize engraving of different forward and backward positions of the blank, and when the inclined direction of the inner recess part of the blank needs to be processed, the fourth stepper motor 308 is started to drive the second worm 307 to rotate when starting to work, and the second worm 307 drives the second worm gear 305, the connecting shaft 304 and the rotating plate 303 to rotate when rotating, and the rotating plate 303 drives the bottom plate 310 to rotate when rotating, so as to adjust the engraving cutter 306 to be inclined, so as to meet the requirement of grinding and engraving the inner recess part of the inclined direction of the blank, and at the same time, the third stepper motor 205 is started to drive the first worm 206 and the first worm gear 204 to rotate when starting to work, and the first worm gear 204 drives the rotating shaft 203 and the bottom plate 310 to rotate when rotating, so as to adjust the inclined direction of the rotating and inclined engraving cutter 306, so as to realize grinding and engraving of the inner recess part of different directions on the mold blank, so that the inclined direction of the inner recess part of the mold blank can be processed without turning over the mold blank.

[0033] The above-mentioned embodiments are preferred embodiments of the present application, which are only used to facilitate the description of the present application and do not limit the present application in any form. Any person skilled in the art can make partial changes or modifications to the equivalent embodiments within the scope of the technical features of the present application without departing from the technical features of the present application, and the changes or modifications still belong to the scope of the technical features of the present application.

Claims

1. A high-precision engraving device for complex curved surface molds, characterized in that, Comprising The first adjusting mechanism (1) includes the base (101), the top of the base (101) is fixedly connected with the stand (107) in pairs, the second lead screw (108) is rotatably connected between the two groups of stand (107), the outer side of the second lead screw (108) is threadedly connected with the moving seat (109), one side of a group of stand (107) is fixedly connected with the second stepper motor (111), and the output end of the second stepper motor (111) is fixedly connected with one end of the second lead screw (108); The second adjusting mechanism (2) includes the hydraulic rod (201) fixedly connected to one side of the moving seat (109), the output end of the hydraulic rod (201) is fixedly connected with the connecting plate (202), the bottom of the connecting plate (202) is rotatably connected with the rotating shaft (203), the bottom of the rotating shaft (203) is fixedly connected with the fixed plate (207), the outer side of the rotating shaft (203) is fixedly connected with the first worm gear (204), the outer side of the first worm gear (204) is meshedly connected with the first worm (206), one side of the bottom of the connecting plate (202) is fixedly connected with the third stepper motor (205), and the output end of the third stepper motor (205) is fixedly connected with the first worm (206). The steering mechanism (3) includes the mounting plate (301) fixedly connected to the bottom of the fixed plate (207) in pairs, the opposite sides of the two groups of mounting plates (301) are rotatably connected with the connecting shaft (304), the outer sides of the two groups of connecting shafts (304) are fixedly connected with the rotating plate (303), the bottoms of the two groups of rotating plates (303) are fixedly connected with the bottom plate (310), the top of the bottom plate (310) is fixedly connected with the driving motor (309), the output end of the driving motor (309) is fixedly connected with the carving knife (306), one end of the connecting shaft (304) away from the mounting plate (301) is fixedly connected with the second worm gear (305), the outer side of the second worm gear (305) is meshedly connected with the second worm (307), the top of the fixed plate (207) is fixedly connected with the fourth stepper motor (308), and the output end of the fourth stepper motor (308) is fixedly connected with the second worm (307).

2. The high-precision engraving device for complex curved surface mold according to claim 1, characterized in that, The top of the base (101) is fixedly connected with the supporting block (106) in pairs, the first lead screw (103) is rotatably connected between the two groups of supporting blocks (106), the outer side of the first lead screw (103) is threadedly connected with the supporting seat (102), the supporting seat (102) is slidably connected with the base (101), one side of the base (101) is fixedly connected with the first stepper motor (105), and the output end of the first stepper motor (105) is fixedly connected with one end of the first lead screw (103).

3. The high-precision engraving device for complex curved surface mold according to claim 2, characterized in that, The support seat (102) is fixedly connected with two groups of the support blocks (106), and two groups of rubber bellows (104) are sleeved on the outer side of the first lead screw (103).

4. The high-precision engraving device for complex curved surface mold according to claim 1, characterized in that, The inside of the moving seat (109) is slidably penetrated by a guide rod (110), and the two ends of the guide rod (110) are fixedly connected with the two end standing plates (107) respectively.

5. The high-precision engraving device for complex curved surface mold according to claim 1, characterized in that, The opposite sides of the two groups of mounting plates (301) are fixedly connected with reinforcing rib plates (302), and the two groups of reinforcing rib plates (302) are fixedly connected with the fixed plate (207).

6. The high-precision engraving device for complex curved surface mold according to claim 1, characterized in that, The bottom of the connecting plate (202) is fixedly connected with a plurality of hanging rods (208) in a ring array, the bottom of each group of hanging rods (208) is detachably connected with a supporting ring (209), the top of the supporting ring (209) is fixedly connected with a plurality of ball bearings (210) in a ring array, and the ball bearings (210) are in contact with the bottom of the fixed plate (207).

7. The high-precision engraving device for complex curved surface mold according to claim 6, characterized in that, Each group of hanging rods (208) penetrates the supporting ring (209), and the outer side of each group of supporting rings (209) is threadedly connected with a limiting nut (211) arranged at the bottom of the supporting ring (209).