Workbench for drilling and milling machine tool
By using a clamping structure to fix the bearing seat and the lead screw body with a pressure block on the worktable of the drilling and milling machine tool, and a split anti-collision rubber design, the problem of lead screw loosening and detachment was solved, and the stable operation of the device and efficient chip cleaning were achieved.
Patent Information
- Application Number
- CN202423059935.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-12
AI Technical Summary
In existing drilling and milling machine tool worktables, the lead screw assembly is prone to loosening and detachment due to the gap between it and the bearing seat, resulting in severe wear of the lead screw and affecting the normal operation of the device.
A pressure block is fixed to the machined surface with screws to apply axial pressure to compress the space between the bearing seat and the lead screw body. The lead screw stroke is adjusted by a split anti-collision rubber, and the threaded slider and cleaning nozzle are used to clean debris.
It effectively prevents the lead screw from loosening and falling off, enhances the operational stability of the device, and efficiently removes processing debris through the cleaning mechanism, thus extending the service life of the device.
Smart Images

Figure CN223557810U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to numerical control machine tool technical field especially relates to a worktable for drilling and milling machine tool. BACKGROUND
[0002] Drilling and milling machine tool is a kind of machine tool integrated drilling and milling function, is widely used in mechanical processing field, usually has adjustable, can be adjusted up and down, left and right by manual or numerical control mode, to adapt to the worktable of different size and shape of workpiece.
[0003] The driving mode of the existing worktable is mostly provided with rotatable screw rod assembly on the worktable, which will exist the following problems in actual operation:
[0004] The screw rod assembly in machine tool is often installed between bearing seat to reduce friction, but due to the gap between screw rod and bearing seat after installation, the screw rod is easy to separate from bearing seat during long-term use, causing serious screw rod wear, affecting normal operation of the device; UTILITY MODEL CONTENTS
[0005] In order to overcome the defects of the prior art pointed out above, the present inventors have made in-depth research, and after a lot of creative labor, the utility model is completed.
[0006] Specifically, the technical problem to be solved by the utility model is to provide a worktable for drilling and milling machine tool, to solve the technical problem that the screw rod assembly in the current machine tool is often installed between bearing seats to reduce friction, but due to the gap between screw rod and bearing seat after installation, the screw rod is easy to separate from bearing seat during long-term use, causing serious screw rod wear, affecting normal operation of the device.
[0007] To solve the above technical problems, the utility model provides the following technical scheme:
[0008] A worktable for drilling and milling machine tool, comprising a table main body, a machining surface is installed on the inner side of the table main body, a driving mechanism and a dust removal mechanism are respectively arranged on the outer side of the machining surface, and the driving mechanism is located below the dust removal mechanism.
[0009] The driving mechanism comprises a screw rod main body located above the machining surface, a bearing seat is arranged at one end of the screw rod main body, and a plurality of pressing blocks are symmetrically arranged on the outer side of the bearing seat, and the pressing blocks are fixedly installed on the top of the machining surface by screws.
[0010] As an improved technical scheme, the upper side of the machining surface is additionally provided with a lead screw motor, the lead screw motor is fixedly installed on the top of the machining surface through a motor base, and the output shaft of the lead screw motor is in transmission connection with the end of the lead screw body away from the pressing block.
[0011] As an improved technical scheme, the outer side of the lead screw body is provided with a lead screw nut, the lead screw nut is in clearance fit with the lead screw body, the lead screw nut is located between the pressing block and the motor base, the bearing seat and the lead screw body are provided with anti-collision glue arranged and distributed therebetween, and the motor base and the lead screw body are also provided with anti-collision glue arranged and distributed therebetween.
[0012] As an improved technical scheme, the end of the machining surface close to the lead screw motor is downwardly inclined, and the machining surface is provided with reinforcing beams arranged and distributed thereon, and the two ends of the reinforcing beams extend into the table body.
[0013] As an improved technical scheme, the linear sliding rails are symmetrically distributed on the two sides of the machining surface, the linear sliding rails are fixedly installed on the top of the table body, and the outer sides of the linear sliding rails are provided with linear sliding blocks arranged and distributed thereon.
[0014] As an improved technical scheme, the dust removal mechanism comprises a threaded shaft parallel to the lead screw body, the threaded shaft is located below the machining surface, the end of the threaded shaft away from the pressing block is connected with the output shaft of a screw shaft motor, the outer side of the threaded shaft is provided with a threaded sliding block in screw fit with the threaded shaft, and the inner side of the machining surface is provided with a guide groove for limiting the movement of the threaded sliding block.
[0015] As an improved technical scheme, the inner side of the threaded sliding block is provided with a gas conveying sleeve, the end of the gas conveying sleeve extending out of the table body is connected with a gas pump, the end of the gas conveying sleeve away from the gas pump is connected with a cleaning nozzle, and the cleaning nozzle is located below the lead screw body.
[0016] As an improved technical scheme, the end of the threaded sliding block protruding out of the machining surface is fixedly installed with a cleaning wiper block and a nozzle seat respectively, one end of the cleaning nozzle extends into the nozzle seat, and the cleaning nozzle is hingedly connected with the nozzle seat through bolts.
[0017] After the above technical scheme is adopted, the beneficial effects of the present application are as follows.
[0018] 1. The present application fixes the pressing block on the machining surface through screws, so that the pressing block exerts pressure on the bearing seat in the same direction as the axial direction of the lead screw body, and the space between the bearing seat and the lead screw body is tightly pressed without any gap, thereby avoiding loosening and falling of the lead screw body during long-term use.
[0019] 2. The utility model discloses, according to actual use demand, respectively increase and decrease the number of bearing seat and screw rod main part and motor seat and the anti-collision rubber between screw rod main part, compared with traditional integral type anti-collision rubber, the anti-collision rubber of split type design is convenient for adjusting the travel of screw rod.
[0020] 3. The utility model discloses, under the restriction of the processing surface direction groove of threaded slide block, drive the connected cleaning pad to move along the axial movement of screw rod main part, and scrape the processing debris that sticks on screw rod main part.
[0021] 4. The utility model discloses, through the air pump compressed air that gas delivery casing pipe is ejected to screw rod main part through cleaning spray head, to assist cleaning pad to complete the cleaning of the processing debris that sticks on screw rod main part. DRAWINGS
[0022] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will be to the embodiment description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings. Among them:
[0023] Figure 1 It is the stereoscopic structure schematic diagram of the utility model for the worktable of drilling and milling machine.
[0024] Figure 2 It is the processing surface and the related structure schematic diagram of reinforcing beam of the utility model for the worktable of drilling and milling machine.
[0025] Figure 3 It is the related structure schematic diagram of drive mechanism and dust removal mechanism of the utility model for the worktable of drilling and milling machine.
[0026] Figure 4 It is the drive mechanism exploded structure schematic diagram of the utility model for the worktable of drilling and milling machine.
[0027] Figure 5 It is the dust removal mechanism structure schematic diagram of the utility model for the worktable of drilling and milling machine.
[0028] Mark explanation:
[0029] 1, the main body of table;2, processing surface;3, screw rod main part;4, bearing seat;5, briquetting;6, screw rod motor;7, motor seat;8, screw nut;9, anti-collision rubber;10, reinforcing beam;11, linear slide rail;12, linear slide block;13, threaded shaft;14, screw shaft motor;15, threaded slide block;16, gas delivery casing pipe;17, air pump;18, cleaning pad;19, spray head seat;20, cleaning spray head;21, bolt. DETAILED DESCRIPTION
[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.
[0031] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications also change accordingly.
[0032] Meanwhile, "and / or" or "or / and" appearing throughout the text means that three schemes are included, taking "A and / or B" as an example, including A scheme, or B scheme, or A and B schemes are satisfied at the same time.
[0033] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.
[0034] As Figures 1 to 5 As shown in the drawings, the embodiment provides a workbench for a drilling and milling machine, which comprises a table body 1, a machining surface 2 is installed on the inner side of the table body 1, a driving mechanism and a dust removal mechanism are respectively arranged on the outer side of the machining surface 2, the driving mechanism is located below the dust removal mechanism, the driving mechanism comprises a screw rod body 3 located above the machining surface 2, a bearing seat 4 is arranged at one end of the screw rod body 3, a plurality of pressing blocks 5 are symmetrically distributed on the outer side of the bearing seat 4, the pressing blocks 5 are fixedly installed on the top of the machining surface 2 through screws, the machining surface 2 provides load for the driving mechanism and the dust removal mechanism, the screw rod body 3 can rotate under the limitation of the bearing seat 4, the pressing blocks 5 can press the space between the bearing seat 4 and the screw rod body 3 without gap by applying pressure along the axial direction of the screw rod body 3 to the bearing seat.
[0035] A screw rod motor 6 is also installed above the machining surface 2, the screw rod motor 6 is fixedly installed on the top of the machining surface 2 through a motor base 7, the output shaft of the screw rod motor 6 is in transmission connection with one end of the screw rod body 3 away from the pressing block 5, the motor base 7 can keep the two ends of the screw rod body 3 horizontal, and the screw rod motor 6 can drive the screw rod body 3 to rotate under the limitation of the motor base 7 and the bearing seat 4.
[0036] A screw rod nut 8 is installed outside the screw rod body 3 and is in clearance fit with the screw rod body 3, the screw rod nut 8 is located between the pressing block 5 and the motor base 7, the bearing seat 4 and the screw rod body 3 are provided with anti-collision rubbers 9 arranged and distributed, the motor base 7 and the screw rod body 3 are also provided with anti-collision rubbers 9 arranged and distributed, the screw rod body 3 penetrates through the screw rod nut 8 as a whole, the screw rod stroke is determined by the distance between the anti-collision rubbers 9 and the screw rod nut 8, and the number of the anti-collision rubbers 9 can be increased or reduced according to actual use requirements, so as to adjust the screw rod stroke.
[0037] The end of the machining surface 2 close to the screw rod motor 6 is downwardly inclined, the machining surface 2 is provided with a reinforcing beam 10 arranged and distributed above, and the two ends of the reinforcing beam 10 extend into the table body 1, the machining surface 2 is arranged to be inclined, so as to facilitate the collection of machining debris, and the reinforcing beam 10 can cooperate with the machining surface 2 to provide load for the device and increase the structural strength of the device.
[0038] The linear slide rails 11 are symmetrically distributed on the two sides of the machining surface 2, the linear slide rails 11 are fixedly installed on the top of the table body 1, and the outer sides of the linear slide rails 11 are provided with linear slide blocks 12 arranged and distributed, the linear slide blocks 12 can move linearly under the limitation of the linear slide rails 11 and cooperate with the rotation of the screw rod body 3, so as to realize the movement of the load structure on the linear slide blocks 12.
[0039] The dust removal mechanism comprises a threaded shaft 13 arranged in parallel with the screw rod body 3, and the threaded shaft 13 is located below the machining surface 2, one end of the threaded shaft 13 away from the pressing block 5 is connected with the output shaft of a screw shaft motor 14, and the outer side of the threaded shaft 13 is provided with a threaded slide block 15 in screw fit with the threaded shaft 13, and the inner side of the machining surface 2 is provided with a guide groove for limiting the movement of the threaded slide block 15, the threaded shaft 13 can be driven by the output shaft of the screw shaft motor 14 to rotate below the machining surface 2, so that the threaded slide block 15 moves on the threaded shaft 13 in the same axial direction as the screw rod body 3.
[0040] The inner side of the threaded sliding block 15 is provided with a gas delivery sleeve 16, the gas delivery sleeve 16 extends to the end of the table body 1 and is connected with the air pump 17, the end of the gas delivery sleeve 16 away from the air pump 17 is connected with the cleaning nozzle 20, and the cleaning nozzle 20 is located below the screw rod body 3, the inner side of the threaded sliding block 15 is provided with a through hole matched with the gas delivery sleeve 16, and the gas delivery sleeve 16 is in a retracted state when the device is not used and does not contact the threaded shaft 13, with the movement of the threaded sliding block 15, the length increases, and the cleaning nozzle 20 can spray the gas delivered by the air pump 17 through the gas delivery sleeve 16.
[0041] The end of the threaded sliding block 15 protruding from the processing surface 2 is respectively fixedly installed with a cleaning wiper block 18 and a nozzle seat 19, and one end of the cleaning nozzle 20 extends into the nozzle seat 19, and the cleaning nozzle 20 is hingedly connected with the nozzle seat 19 through a bolt 21, the cleaning wiper block 18 is a silicone rubber block, which can scrape off the processing debris adhered on the screw rod body 3 with the movement of the threaded sliding block 15, and the cleaning nozzle 20 can be adjusted in the deflection angle on the nozzle seat 19 through the bolt 21, so as to change the angle of the gas sprayed by the cleaning nozzle 20 on the screw rod body 3, thereby assisting the cleaning wiper block 18 to complete the cleaning of the processing debris adhered on the screw rod body 3.
[0042] In use, the screw rod body 3 is horizontally installed above the processing surface 2, and the bearing seat 4 is sleeved at one end of the screw rod body 3, the pressure block 5 is clamped outside the bearing seat 4, and the pressure block 5 is fixed on the processing surface 2 through screws, so that the pressure block 5 applies pressure to the bearing seat 4 in the same direction as the axial direction of the screw rod body 3, and the space between the bearing seat 4 and the screw rod body 3 is tightly pressed without gap, thereby avoiding loosening and falling off of the screw rod body 3 in long-term use, and in this process, the output shaft of the screw motor 6 is connected with the screw rod body 3 through the motor seat 7, and according to the actual use requirement, the number of the split type anti-collision rubber 9 between the bearing seat 4 and the screw rod body 3 and the motor seat 7 and the screw rod body 3 is increased or decreased, compared with the traditional integrated anti-collision rubber 9, the split type anti-collision rubber 9 is convenient for adjusting the screw stroke, and in this process, the linear slide block 12 moves linearly under the limitation of the linear slide rail 11 to cooperate with the rotation of the screw rod body 3, so as to realize the movement of the load structure on the linear slide block 12, and the reinforcing beam 10 installed on the inclined processing surface 2 increases the overall structural strength of the device to ensure stable operation of the device, at the same time, the output shaft of the screw shaft motor 14 drives the threaded shaft 13 to rotate below the processing surface 2, so that the threaded sliding block 15 drives the connected cleaning wiper block 18 to move along the axial direction of the screw rod body 3 under the limitation of the guide groove in the processing surface 2, thereby scraping off the processing debris adhered on the screw rod body 3, the extension length of the gas delivery sleeve 16 in the threaded sliding block 15 increases, and the air compressed by the air pump 17 is sprayed to the screw rod body 3 through the cleaning nozzle 20, thereby assisting the cleaning wiper block 18 to complete the cleaning of the processing debris adhered on the screw rod body 3.
[0043] It should be understood that the uses of the embodiments are merely for illustrating the present application and are not intended to limit the protection scope of the present application. In addition, it should also be understood that after reading the technical content of the present application, those skilled in the art can make various modifications, modifications and / or variations to the present application, and all these equivalent forms also fall within the protection scope defined by the claims attached to the present application.
Claims
1. A table for a machine tool for drilling and milling, comprising a table body (1), characterized in that: The inner side of the table body (1) is provided with a processing surface (2), the outer side of the processing surface (2) is respectively provided with a driving mechanism and a dust removal mechanism, and the driving mechanism is located below the dust removal mechanism. The driving mechanism comprises a lead screw body (3) located above the processing surface (2), one end of the lead screw body (3) is provided with a bearing seat (4), the outer side of the bearing seat (4) is symmetrically provided with a pressing block (5), and the pressing block (5) is fixedly installed on the top of the processing surface (2) through screws.
2. The table for a drilling and milling machine according to claim 1, characterized in that: A lead screw motor (6) is further installed above the processing surface (2), the lead screw motor (6) is fixedly installed on the top of the processing surface (2) through a motor base (7), and the output shaft of the lead screw motor (6) is in transmission connection with the end of the lead screw body (3) away from the pressing block (5).
3. A table for a trepanning machine according to claim 2, characterized in that: A lead screw nut (8) is installed on the outer side of the lead screw body (3), and the lead screw nut (8) is in clearance fit with the lead screw body (3), the lead screw nut (8) is located between the pressing block (5) and the motor base (7), the bearing seat (4) and the lead screw body (3) are provided with anti-collision glue (9) arranged and distributed, and the motor base (7) and the lead screw body (3) are also provided with anti-collision glue (9) arranged and distributed.
4. The table for a trepanning machine tool according to claim 1, characterized in that: The end of the processing surface (2) close to the lead screw motor (6) is downwardly inclined, the top of the processing surface (2) is provided with a reinforcing beam (10) arranged and distributed, and the two ends of the reinforcing beam (10) extend into the table body (1).
5. A table for a trepanning machine according to claim 4, characterized in that: Linear slide rails (11) are symmetrically distributed on the two sides of the processing surface (2), the linear slide rails (11) are fixedly installed on the top of the table body (1), and the outer sides of the linear slide rails (11) are provided with linear slide blocks (12) arranged and distributed.
6. The table for a hole-milling machine tool according to claim 1, characterized in that: The dust removal mechanism comprises a threaded shaft (13) parallel to the lead screw body (3), the threaded shaft (13) is located below the processing surface (2), the end of the threaded shaft (13) away from the pressing block (5) is connected with the output shaft of a screw shaft motor (14), the outer side of the threaded shaft (13) is provided with a threaded slide block (15) in screw fit with the threaded shaft (13), and the inner side of the processing surface (2) is provided with a guide groove for realizing limited movement of the threaded slide block (15).
7. A table for a trepanning machine according to claim 6, characterized in that: The inner side of the threaded slide block (15) is provided with a gas delivery sleeve (16), one end of the gas delivery sleeve (16) extending out of the table body (1) is connected with a gas pump (17), the end of the gas delivery sleeve (16) away from the gas pump (17) is connected with a cleaning nozzle (20), and the cleaning nozzle (20) is located below the lead screw body (3).
8. A table for a trepanning machine according to claim 7, characterized in that: The end of the threaded slide block (15) protruding out of the processing surface (2) is respectively fixedly installed with a cleaning pad (18) and a nozzle base (19), one end of the cleaning nozzle (20) extends into the nozzle base (19), and the cleaning nozzle (20) is hingedly connected with the nozzle base (19) through bolts (21).