Transmission structure of high-speed numerical control engraving and milling machine

By introducing roller transmission components and lifting components into the CNC engraving machine, the noise and vibration problems in the transmission structure were solved, thereby improving the stability and processing accuracy of the equipment and extending its service life.

CN223749141UActive Publication Date: 2026-01-02TIANJIN MAISHENGTE ELECTRONICS CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520190270.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2026-01-02
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

The transmission structure of existing high-speed CNC engraving machines generates noise and vibration during gear transmission, which affects the processing quality and equipment stability.

Method used

It employs a roller drive assembly and a lifting assembly. The roller drive assembly reduces vibration and noise through a carriage and drive rollers, while the lifting assembly precisely adjusts the height of the tool or workpiece through a worm gear structure.

Benefits of technology

It improves the stability and processing quality of machine tools, reduces wear on transmission components, extends the service life of equipment, and enhances processing accuracy and flexibility.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223749141U_ABST
    Figure CN223749141U_ABST
Patent Text Reader

Abstract

The utility model discloses a transmission structure of a high-speed numerical control engraving and milling machine, which relates to the technical field of numerical control engraving and milling machines and comprises an engraving table, a transmission mechanism arranged above the engraving table and used for adjusting the position of an engraving and milling machine body, and lifting components arranged on two sides of the engraving table and used for lifting the engraving and milling machine body. The transmission mechanism is used for adjusting the machining height of the engraving and milling machine body and comprises a screw hole plate, the screw hole plate is arranged above the engraving table, one end of the screw hole plate is fixedly connected with a transmission beam, a movable groove is formed in the outer wall of the transmission beam, a sliding groove is formed in the outer wall of the transmission beam, and the movable groove is communicated with the sliding groove. The transmission structure of the high-speed numerical control engraving and milling machine is provided with the transmission mechanism, the stability of a machine tool can be improved through the roller transmission assembly, particularly during high-speed machining, vibration and noise can be reduced, the machining quality can be improved, meanwhile, abrasion of transmission parts can be reduced through the roller transmission assembly, the service life of the machine tool can be prolonged, and the maintenance cost can be reduced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control engraving and milling machine technical field, concretely to transmission structure of high -speed numerical control engraving and milling machine. BACKGROUND

[0002] The metal engraving and milling machine can non-contact cutting and punching on metal or nonmetal plate and pipe, and is especially suitable for laser cutting of stainless steel plate, iron plate, silicon wafer, ceramic sheet, titanium alloy, epoxy, A3 steel and diamond material. The equipment is stable and reliable in operation, high in processing quality and efficiency, and easy to operate and maintain. The engraving head of the engraving and milling machine needs to be moved to different positions for engraving during processing, and the movement stability of the machine tool will affect the engraving progress. The existing engraving and milling machine adopts a cylinder driving mode. Since the air rod forms a large size during starting or stopping, transmission oscillation is easily caused to result in engraving deviation. In order to improve the stability of transmission, a new technical scheme is provided.

[0003] The transmission structure of the numerical control engraving and milling machine with the publication number CN212217460U includes a rack and a movable slide group, and the movable slide group is installed on both sides of the rack. The two sides of the rack are provided with a butt joint part, the top end of the butt joint part is provided with a first sliding rail, the bottom end of the butt joint part is provided with a groove, and the groove is provided with a rack. The movable slide group is connected to the butt joint part, the movable slide group is provided with a first clamping block, and the movable slide group slides on the first sliding rail through the first clamping block. The movable slide group is provided with a rotating gear, the rotating gear is arranged in the groove, and the rotating gear is in contact with the rack. The rotating gear is provided with a motor, the motor is installed in the movable slide group, the motor drives the rotating gear to roll along the groove, and the rolling rotating gear drives the movable slide group to slide on the first sliding rail. It has the advantages of simple structure, compact cooperation, reasonable design and the like. Therefore, it is a product with superior performance in technology and economy.

[0004] As shown in the above device, the transmission structure of the high-speed numerical control engraving and milling machine of the prior art has the advantages of simple structure, compact cooperation, reasonable design and the like by using gear and rack transmission, but a large amount of noise will be generated due to the frictional sliding and periodic change of meshing rigidity between the tooth surfaces during gear transmission, especially when running at high speed, the noise will be more obvious. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a transmission structure of a high-speed numerical control engraving and milling machine, which solves the problems of the prior art.

[0006] To achieve the above purpose, the utility model is implemented by the following technical scheme: a transmission structure of a high-speed numerical control engraving and milling machine, including an engraving table, further comprising:

[0007] A transmission mechanism is arranged above the carving table and used to adjust the position of the precision engraving machine body;

[0008] A lifting assembly is arranged on both sides of the carving table and used to adjust the machining height of the precision engraving machine body;

[0009] The transmission mechanism comprises a threaded hole plate arranged above the carving table, one end of the threaded hole plate is fixedly connected with a transmission beam, the outer wall of the transmission beam is provided with a movable slot, the outer wall of the transmission beam is provided with a sliding groove, and the outer wall of the transmission beam is provided with a roller transmission assembly.

[0010] Preferably, the roller transmission assembly comprises a sliding frame which is slidingly connected to the outer wall of the sliding groove, the outer wall of the sliding frame is fixedly connected with a transmission plate, one end of the transmission plate is fixedly connected with a driving assembly B, the other end of the transmission plate is fixedly connected with a transmission shaft, the other end of the transmission shaft is fixedly connected with a transmission roller, and the outer wall of the sliding frame is fixedly connected with a mounting plate.

[0011] Preferably, the lifting assembly comprises an adjusting box arranged on both sides of the carving table, the inner wall of the adjusting box is connected with a worm gear, one end of the worm gear is connected with a driving assembly A, a worm is arranged in the adjusting box, the worm is in meshing connection with the worm gear, the inner wall of the adjusting box is connected with a fixed plate, the worm is rotatably connected to the inner wall of the fixed plate, the outer wall of the worm is threadedly connected with a sleeve, the outer wall of the sleeve is fixedly connected with a sliding block, a sliding groove plate is further arranged in the adjusting box, the sliding groove plate is provided with a sliding groove, the sliding block is slidingly connected in the sliding groove, the top end of the sleeve is connected with a connecting column, and one end of the connecting column is fixedly mounted to the bottom of the threaded hole seat.

[0012] Preferably, the outer wall of the carving table is fixedly mounted with a control panel for controlling the start and stop of the equipment, the top end of the carving table is fixedly mounted with a recessed plate, and the bottom end of the carving table is fixedly mounted with a supporting leg for supporting the equipment.

[0013] Preferably, the top end of the recessed plate is fixedly mounted with a placing plate, the inner wall of the recessed plate is fixedly mounted with a threaded rod, the outer wall of the threaded rod is threadedly connected with a movable seat, the top end of the movable seat is connected with the lifting assembly, and one end of the threaded rod is fixedly connected with a driving motor.

[0014] Preferably, one end of the mounting plate is provided with the precision engraving machine body, the threaded hole plate is connected with a threaded hole seat through bolts, and the threaded hole seat is connected to the top end of the lifting assembly.

[0015] The utility model provides a transmission structure of high -speed numerical control precision engraving machine compares with prior art has the following beneficial effects:

[0016] 1. The transmission structure of the high-speed numerical control engraving and milling machine is provided with a transmission mechanism, and the roller transmission assembly can improve the stability of the machine tool, especially during high-speed machining, can reduce vibration and noise, improve machining quality, and at the same time, the roller transmission assembly can reduce the wear of the transmission parts, prolong the service life of the machine tool, and reduce the maintenance cost.

[0017] 2. The transmission structure of the high-speed numerical control engraving and milling machine is provided with a lifting assembly, and the lifting assembly can accurately adjust the height of the cutter or workpiece according to different machining requirements, thereby improving the machining precision, and at the same time, for workpieces of different thicknesses, the lifting assembly can flexibly adjust the machining height, without the need to replace the equipment or reset the parameters. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic view of the overall structure of the utility model;

[0019] Figure 2 It is a side view of the overall structure of the utility model;

[0020] Figure 3 It is a schematic view of the transmission mechanism of the utility model;

[0021] Figure 4 It is a schematic view of the roller transmission assembly of the utility model;

[0022] Figure 5 It is a schematic view of the lifting assembly of the utility model.

[0023] In the drawing: 1, engraving table; 2, control panel; 3, groove plate; 4, threaded rod; 5, placing plate; 6, movable seat; 7, lifting assembly; 71, adjusting box; 72, worm; 73, worm; 74, fixed plate; 75, sleeve; 76, sliding groove plate; 77, connecting column; 78, driving assembly A; 8, screw hole seat; 9, transmission mechanism; 91, screw hole plate; 92, transmission beam; 93, movable groove; 94, sliding groove; 95, roller transmission assembly; 951, sliding frame; 952, transmission plate; 953, driving assembly B; 954, transmission shaft; 955, transmission roller; 956, mounting plate; 10, engraving and milling machine body; 11, supporting leg; 12, driving motor. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Referring to Figures 1-5 The utility model provides the following two technical schemes:

[0026] The first embodiment is a transmission structure of a high-speed numerical control engraving and milling machine, comprising an engraving table 1, further comprising:

[0027] A transmission mechanism 9 is arranged above the engraving table 1 and is used to adjust the position of the engraving and milling machine body 10.

[0028] A lifting assembly 7 is arranged on both sides of the engraving table 1 and is used to adjust the machining height of the engraving and milling machine body 10.

[0029] A control panel 2 is fixedly installed on the outer wall of the engraving table 1 and is used to control the start and stop of the equipment. A groove plate 3 is fixedly installed at the top end of the engraving table 1. Support legs 11 are fixedly installed at the bottom end of the engraving table 1 and are used to support the equipment.

[0030] A placing plate 5 is fixedly installed at the top end of the groove plate 3. A threaded rod 4 is fixedly installed on the inner wall of the groove plate 3. An activity seat 6 is threadedly connected to the threaded rod 4. The top end of the activity seat 6 is connected to the lifting assembly 7. One end of the threaded rod 4 is fixedly connected to a driving motor 12.

[0031] A screw hole seat 8 is connected to the top end of the lifting assembly 7. The transmission mechanism 9 comprises a screw hole plate 91. The screw hole plate 91 is arranged above the engraving table 1 and is connected to the screw hole seat 8 through bolts. One end of the screw hole plate 91 is fixedly connected to a transmission beam 92. The outer wall of the transmission beam 92 is provided with an activity groove 93. The outer wall of the transmission beam 92 is provided with a sliding groove 94. The outer wall of the transmission beam 92 is provided with a roller transmission assembly 95.

[0032] The roller transmission assembly 95 comprises a sliding frame 951. The sliding frame 951 is slidingly connected to the outer wall of the sliding groove 94. The outer wall of the sliding frame 951 is fixedly connected to a transmission plate 952. The side wall of the transmission plate 952 away from the sliding frame 951 is fixedly connected to a driving assembly B 953. A transmission shaft 954 is rotatably connected in the sliding frame 951. The outer wall of the transmission shaft 954 is coaxially fixedly connected to a transmission roller 955. The transmission shaft 954 and the driving end of the driving assembly B 953 are fixedly connected. The outer wall of the sliding frame 951 is further fixedly connected to a mounting plate 956. The mounting plate 956 is provided with the engraving and milling machine body 10 on the side wall away from the sliding frame 951.

[0033] The inner wall of the sliding frame 951 is provided with a sliding strip matched with the activity groove 93. The sliding strip and the activity groove 93 are slidingly connected and can play a guiding and limiting role when the sliding frame 951 moves, so as to ensure that the sliding frame 951 moves more stably.

[0034] The transmission structure of the high-speed numerical control engraving and milling machine is provided with a transmission mechanism 9, and the roller transmission assembly can improve the stability of the machine tool, especially when machining at high speed, can reduce vibration and noise, improve machining quality, and at the same time, the roller transmission assembly can reduce the wear of the transmission parts, prolong the service life of the machine tool, and reduce the maintenance cost.

[0035] The second embodiment, the main difference with the first embodiment lies in: the lifting assembly 7 includes an adjusting box 71, the adjusting box 71 is arranged on both sides of the engraving table 1, the inner wall of the adjusting box 71 is connected with a worm wheel 72, the outer wall of the adjusting box 71 is provided with a driving assembly A 78, one end of the worm wheel 72 is connected with the driving shaft of the driving assembly A 78, the adjusting box 71 is provided with a worm 73, the worm 73 and the worm wheel 72 are engagedly connected, the inner wall of the adjusting box 71 is connected with a fixed plate 74, the worm 73 is rotatably connected to the inner wall of the fixed plate 74, the outer wall of the worm 73 is threadedly connected with a sleeve 75, the outer wall of the sleeve 75 is fixedly connected with a sliding block, the adjusting box 71 is further provided with a sliding groove plate 76, the sliding groove plate 76 is provided with a sliding groove, the sliding block is slidingly connected in the sliding groove plate 76, the top end of the sleeve 75 is fixedly connected with a connecting column 77, one end of the connecting column 77 is fixedly installed at the bottom of the screw hole seat 8.

[0036] The transmission structure of the high-speed numerical control engraving and milling machine is provided with a lifting assembly 7, which can accurately adjust the height of the tool or workpiece according to different machining requirements, thereby improving the machining precision, and at the same time, for workpieces of different thicknesses, the lifting assembly 7 can flexibly adjust the machining height without the need to replace the equipment or reset the parameters.

[0037] At the same time, the contents not described in detail in the specification all belong to the existing technology known to those skilled in the art, and the model parameters of each electric appliance are not specifically limited, and conventional equipment can be used.

[0038] When the device is used, first, the workpiece is placed on the placing plate 5, and then the driving assembly A78 is started through the control panel 2, the driving assembly A78 is operated to drive the worm gear 72 connected at one end to rotate, the worm gear 72 is rotated to drive the worm 73 engaged with the worm gear 72 to rotate, the worm 73 is rotated to drive the sleeve 75 connected to the outer wall of the worm 73 to move along the outer wall of the worm 73, and the slider on the sleeve 75 slides in the sliding groove of the sliding groove plate 76 to limit and guide the sleeve 75, the sleeve 75 is gradually moved out of the adjusting box 71 to drive the connecting column 77 at one end of the sleeve 75 to move upwards, thereby driving the transmission mechanism 9 arranged above the connecting column 77 to gradually move upwards to adjust the moving height, when the adjustment is completed, the driving assembly B953 is started through the control panel 2, the transmission plate 952 is driven to rotate through the driving assembly B953, the transmission shaft 954 arranged at the other end of the transmission plate 952 is rotated, the transmission roller 955 is rotated through the transmission shaft 954, the roller driving assembly 95 is driven to move laterally in the movable groove 93 formed in the outer wall of the transmission beam 92 through the rotation of the four transmission rollers 955, the roller assembly 95 is moved laterally through the roller group to drive the engraving and milling machine body 10 connected at one end of the mounting plate 956 to adjust the lateral position, and the roller transmission assembly 95 and the engraving and milling machine body 10 are adjusted in position through the rotation and movement of the transmission roller 955, especially when high-speed machining, vibration and noise can be reduced, and the stability of the machine tool can be improved, when the position is adjusted to the appropriate position, the engraving and milling machine body 10 is started through the control panel 2 to process the workpiece.

[0039] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0040] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A transmission structure of a high-speed numerical control engraving and milling machine, comprising an engraving table (1), characterized in that, Also includes: Transmission mechanism (9), transmission mechanism (9) is provided above the carving table (1), for adjusting the position of the fine carving machine body (10); Lifting assembly (7), provided on both sides of the carving table (1), for adjusting the processing height of the fine carving machine body (10); The transmission mechanism (9) comprises a screw hole plate (91), the screw hole plate (91) is arranged above the carving table (1), one end of the screw hole plate (91) is fixedly connected with a transmission beam (92), the outer wall of the transmission beam (92) is provided with a movable groove (93), the outer wall of the transmission beam (92) is provided with a sliding groove (94), and the outer wall of the transmission beam (92) is provided with a roller transmission assembly (95).

2. The transmission structure of a high-speed numerical control fine carving machine according to claim 1, characterized in that: The roller transmission assembly (95) comprises a sliding frame (951), the sliding frame (951) is slidably connected to the outer wall of the sliding groove (94), the outer wall of the sliding frame (951) is fixedly connected with a transmission plate (952), one end of the transmission plate (952) is fixedly connected with a driving assembly B (953), the other end of the transmission plate (952) is fixedly connected with a transmission shaft (954), the other end of the transmission shaft (954) is fixedly connected with a transmission roller (955), and the outer wall of the sliding frame (951) is fixedly connected with a mounting plate (956).

3. The transmission structure of a high-speed numerical control precision engraving and milling machine according to claim 1, characterized in that: The lifting assembly (7) comprises an adjusting box (71), the adjusting box (71) is arranged on both sides of the carving table (1), the inner wall of the adjusting box (71) is connected with a worm gear (72), one end of the worm gear (72) is connected with a driving assembly A (78), the adjusting box (71) is provided with a worm (73), the worm (73) and the worm gear (72) are connected in mesh, the inner wall of the adjusting box (71) is connected with a fixed plate (74), the worm (73) is rotatably connected to the inner wall of the fixed plate (74), the outer wall of the worm (73) is threadedly connected with a sleeve (75), the outer wall of the sleeve (75) is fixedly connected with a sliding block, the adjusting box (71) is further provided with a sliding groove plate (76), the sliding groove plate (76) is provided with a sliding groove, the sliding block is slidably connected in the sliding groove, and the top end of the sleeve (75) is fixedly connected with a connecting column (77).

4. The transmission structure of a high-speed numerical control engraving and milling machine according to claim 1, characterized in that: The outer wall of the carving table (1) is fixedly installed with a control panel (2) for controlling the start and stop of the equipment, the top end of the carving table (1) is fixedly installed with a recess plate (3), the bottom end of the carving table (1) is fixedly installed with a supporting leg (11) for supporting the equipment.

5. The transmission structure of a high-speed numerical control fine carving machine according to claim 4, characterized in that: The top end of the recess plate (3) is fixedly installed with a placing plate (5), the inner wall of the recess plate (3) is fixedly installed with a threaded rod (4), the outer wall of the threaded rod (4) is threadedly connected with a movable seat (6), the top end of the movable seat (6) is connected with the lifting assembly (7), and one end of the threaded rod (4) is fixedly connected with a driving motor (12).

6. The transmission structure of a high-speed numerical control engraving and milling machine according to claim 2, characterized in that: One end of the mounting plate (956) is provided with a precision carving machine body (10), the threaded hole plate (91) is connected with a threaded hole seat (8) through bolts, and the threaded hole seat (8) is connected to the top end of the lifting assembly (7).

Citation Information

Patent Citations

  • Transmission structure of numerical control engraving and milling machine

    CN212217460U