CN211163076U - Lead screw connecting structure for gantry numerical control machine tool - Google Patents
Lead screw connecting structure for gantry numerical control machine tool Download PDFInfo
- Publication number
- CN211163076U CN211163076U CN201921589341.1U CN201921589341U CN211163076U CN 211163076 U CN211163076 U CN 211163076U CN 201921589341 U CN201921589341 U CN 201921589341U CN 211163076 U CN211163076 U CN 211163076U
- Authority
- CN
- China
- Prior art keywords
- threaded
- bearing
- outer disc
- hole
- machine tool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The lead screw connecting structure for the gantry numerical control machine tool comprises a first bearing cover, a second bearing cover, a pre-tightening threaded seat, a gantry machine tool and a compression spring, wherein a first outer disc is arranged outside the first bearing cover, a first threaded hole is uniformly distributed inside the first outer disc, a first threaded mounting hole is uniformly distributed inside the first threaded hole, a first limiting convex disc is arranged outside the first outer disc, a lead screw unthreaded shaft hole is formed in the middle of the first outer disc, a second outer disc is arranged outside the second bearing cover, a second threaded hole is uniformly distributed inside the second outer disc, a second threaded mounting hole is uniformly distributed inside the second threaded hole, a second limiting convex disc is arranged outside the second outer disc, a pressure plate is arranged in the middle of the pre-tightening threaded seat, a pre-tightening hexagonal convex block is arranged at the left part of the pressure plate, a threaded column is arranged at the right part of the pressure plate, a spring mounting groove is arranged inside the threaded column, one end of the compression spring is placed into, the upper part of the gantry machine tool frame is provided with a bearing seat, and outer disc clamping grooves are symmetrically distributed in the bearing seat.
Description
Technical Field
The utility model relates to a longmen digit control machine tool field especially relates to a lead screw connection structure for longmen digit control machine tool.
Background
At longmen digit control machine tool in-process, because long-term reciprocating motion and load can make lead screw itself be heated and extend in the axial direction, traditional bearing frame is mostly the fixed other end of one end and can takes place the micrometric displacement, but is difficult for backtracking behind its atress, and the optical axis section and the lead screw bearing of lead screw take place the drunkenness easily after the heat dispels deformation and resumes after the smooth axial region of lead screw, lead to connecting the shakiness, and the structure is reasonable inadequately.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is not enough to the above-mentioned that prior art exists, provide a rational in infrastructure lead screw connection structure for longmen digit control machine tool.
The utility model aims at realizing through the following technical scheme:
a lead screw connecting structure for a gantry numerical control machine tool comprises a first bearing cover, a second bearing cover, a pre-tightening threaded seat, a gantry machine tool and a compression spring, wherein a first outer disc is arranged outside the first bearing cover, a first threaded hole is uniformly distributed inside the first outer disc, a first threaded mounting hole is uniformly distributed inside the first threaded hole, a first limiting convex disc is arranged outside the first outer disc, a lead screw unthreaded shaft hole is formed in the middle of the first outer disc, a second outer disc is arranged outside the second bearing cover, a second threaded hole is uniformly distributed inside the second outer disc, a second threaded mounting hole is uniformly distributed inside the second threaded hole, a second limiting convex disc is arranged outside the second outer disc, a pressure plate is arranged in the middle of the pre-tightening threaded seat, a pre-tightening hexagonal convex block is arranged at the left part of the pressure plate, a threaded column is arranged at the right part of the pressure plate, a spring mounting groove is formed inside the threaded column, one end of the compression spring is placed in the spring, the upper part of the gantry machine tool frame is provided with a bearing seat, outer disc clamping grooves are symmetrically distributed in the bearing seat, bearing placing holes are formed in the inner sides of the outer disc clamping grooves, and thread grooves are uniformly distributed in the outer disc clamping grooves.
The upper portion of the gantry machine tool is provided with a bearing seat, a bearing placing hole is formed in the bearing seat, a lead screw bearing is placed in the bearing placing hole, a second outer disc is placed in a left outer disc clamping groove, a bolt is inserted into a second threaded hole and is in threaded connection with a threaded groove, a second bearing cover is connected with the gantry machine tool, a second limiting convex disc is placed on the left side of the bearing placing hole, a threaded column is in threaded connection with the second threaded placing hole, and the right end of a compression spring is in press fit with the outer ring of the lead screw bearing.
A bearing cap left part has spacing flange No. one, and bearing arrangement hole right part is put into to spacing flange No. one, and a right side bearing frame is put into to outer dish No. one, and the bolt inserts a screw hole and the spiro union in the thread groove, and a bearing cap is connected with longmen lathe, and threaded column and a screw thread arrangement hole spiro union, compression spring left end and lead screw bearing outer lane pressfitting, lead screw optical axis section insert lead screw light shaft hole and lead screw bearing inner circle in proper order.
Has the advantages that:
the pre-tightening hexagonal convex block can be screwed by using a constant torque wrench, so that a compression spring arranged in the spring arrangement groove and the outer ring of the lead screw bearing generate pre-tightening force, springs with the same length and elastic modulus are consistent when external pressure is applied, the reaction force is consistent, a first thread arrangement hole in a first bearing cover and a second thread arrangement hole in a second bearing cover can be connected with the pre-tightening thread seat according to Hooke's law, opposite acting force is applied to the lead screw bearing in the horizontal direction, after the lead screw is heated and deformed due to working load, an extension section of the lead screw can axially shift in the bearing arrangement hole, the load can be uniformly borne and dispersed by a plurality of compression springs, gaps are formed between the first limit convex disc and the second limit convex disc and the outer ring of the lead screw bearing, the lead screw bearing can generate micro-displacement, and the structure is reasonable, so that the stress of the lead screw is uniform.
Drawings
Figure 1 is the utility model discloses a lead screw connection section structure sketch map for gantry numerical control machine tool.
Figure 2 is a first bearing cap main view structure sketch of screw rod connection structure for longmen digit control machine tool.
Figure 3 is a first bearing cap rear view structure sketch of screw rod connection structure for longmen digit control machine tool.
Figure 4 is the utility model discloses a leading screw connection structure for longmen digit control machine tool No. two bearing caps main view structure sketch map.
Figure 5 is the utility model discloses a No. two bearing caps of screw rod connection structure for longmen digit control machine tool rear view structure sketch map.
Fig. 6 is a schematic view of a lead screw connection structure pre-tightening threaded seat main-view structure for a gantry numerical control machine tool.
Fig. 7 is a rear view structure diagram of a lead screw connection structure pre-tightening threaded seat for a gantry numerical control machine tool.
Figure 8 is the utility model discloses a gantry machine tool bearing frame structure sketch map of screw rod connection structure for gantry machine tool.
Figure 9 is the utility model discloses a gantry machine tool structure sketch map of screw rod connection structure for gantry machine tool.
Detailed Description
The invention is explained in more detail below with reference to the figures and examples:
a screw rod connecting structure for a gantry numerical control machine tool comprises a first bearing cover 01, a second bearing cover 02, a pre-tightening threaded seat 03, a gantry machine tool 04 and a compression spring 05, wherein a first outer disc 11 is arranged outside the first bearing cover 01, a first threaded hole 12 is uniformly distributed inside the first outer disc 11, a first threaded mounting hole 14 is uniformly distributed inside the first threaded hole 12, a first limiting convex disc 13 is arranged outside the first outer disc 11, a screw rod unthreaded shaft hole 15 is arranged in the middle of the first outer disc 11, a second outer disc 21 is arranged outside the second bearing cover 02, a second threaded hole 22 is uniformly distributed inside the second outer disc 21, a second threaded mounting hole 24 is uniformly distributed inside the second threaded hole 22, a second limiting convex disc 23 is arranged outside the second outer disc 21, a pre-tightening pressure disc threaded seat 03 is provided with a pre-tightening hexagonal convex block 32 at the left part, a threaded column 33 at the right part of the pre-tightening pressure disc 03, the threaded column 33 is internally provided with a spring placing groove 34, one end of a compression spring 05 is placed in the spring placing groove 34 for gluing, the upper part of the gantry machine tool 04 frame is provided with a bearing seat 41, outer disc clamping grooves 42 are symmetrically distributed in the bearing seat 41, the inner sides of the outer disc clamping grooves 42 are provided with bearing placing holes 43, and threaded grooves 44 are uniformly distributed in the outer disc clamping grooves 42.
The upper portion of the gantry machine tool 04 is provided with a bearing seat 41, a bearing placing hole 43 is formed in the bearing seat 41, a screw rod bearing is placed in the bearing placing hole 43, a second outer disc 21 is placed in a left outer disc clamping groove 42, a bolt is inserted into a second threaded hole 22 and is in threaded connection with a threaded groove 44, a second bearing cover 02 is connected with the gantry machine tool 04, a second limiting convex disc 23 is placed on the left side of the bearing placing hole 43, a threaded column 33 is in threaded connection with a second threaded placing hole 24, and the right end of a compression spring 05 is in press fit with the outer ring of the screw rod bearing.
A bearing cap 01 is connected with a gantry machine tool 04, a threaded column 33 is in threaded connection with a threaded mounting hole 14, the left end of a compression spring 05 is in press fit with an outer ring of a lead screw bearing, and a lead screw optical axis section is sequentially inserted into a lead screw optical axis hole 15 and an inner ring of the lead screw bearing.
Claims (3)
1. A lead screw connecting structure for a gantry numerical control machine tool is characterized by comprising a first bearing cover, a second bearing cover, a pre-tightening threaded seat, a gantry machine tool and a compression spring, wherein a first outer disc is arranged outside the first bearing cover, a first threaded hole is uniformly distributed inside the first outer disc, a first threaded mounting hole is uniformly distributed inside the first threaded hole, a first limiting convex disc is arranged outside the first outer disc, a lead screw unthreaded shaft hole is formed in the middle of the first outer disc, a second outer disc is arranged outside the second bearing cover, a second threaded hole is uniformly distributed inside the second outer disc, a second threaded mounting hole is uniformly distributed inside the second threaded hole, a second limiting convex disc is arranged outside the second outer disc, a pressure plate is arranged in the middle of the pre-tightening threaded seat, a pre-tightening hexagonal convex block is arranged at the left part of the pressure plate, a threaded column is arranged at the right part of the pressure plate, a spring mounting groove is formed inside the threaded column, one end of the compression spring is placed in the, the upper part of the gantry machine tool frame is provided with a bearing seat, outer disc clamping grooves are symmetrically distributed in the bearing seat, bearing placing holes are formed in the inner sides of the outer disc clamping grooves, and thread grooves are uniformly distributed in the outer disc clamping grooves.
2. The screw rod connecting structure for gantry numerical control machine tool according to claim 1, wherein the upper part of the gantry machine tool is provided with a bearing seat, a bearing placing hole is arranged inside the bearing seat, the screw rod bearing is placed inside the bearing placing hole, a second outer disc is placed in a clamping groove of the left outer disc, a bolt is inserted into a second threaded hole to be screwed with a threaded groove, a second bearing cover is connected with the gantry machine tool, a second limiting convex disc is placed on the left side of the bearing placing hole, a threaded column is screwed with the second threaded placing hole, and the right end of the compression spring is pressed with an outer ring of the screw rod bearing.
3. The screw rod connecting structure for gantry numerical control machine tool according to claim 2, wherein the first bearing cover has a first limit convex disc at the left part, the first limit convex disc is placed at the right part of the bearing placing hole, the first outer disc is placed in the right bearing seat, the bolt is inserted into the first threaded hole to be screwed with the threaded groove, the first bearing cover is connected with the gantry machine tool, the threaded column is screwed with the first threaded placing hole, the left end of the compression spring is pressed with the outer ring of the screw rod bearing, and the optical shaft section of the screw rod is sequentially inserted into the optical shaft hole of the screw rod and the inner ring of the screw rod bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921589341.1U CN211163076U (en) | 2019-09-24 | 2019-09-24 | Lead screw connecting structure for gantry numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921589341.1U CN211163076U (en) | 2019-09-24 | 2019-09-24 | Lead screw connecting structure for gantry numerical control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211163076U true CN211163076U (en) | 2020-08-04 |
Family
ID=71818534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921589341.1U Active CN211163076U (en) | 2019-09-24 | 2019-09-24 | Lead screw connecting structure for gantry numerical control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211163076U (en) |
-
2019
- 2019-09-24 CN CN201921589341.1U patent/CN211163076U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203887590U (en) | Automatic centring hydraulic clamp for automobile hub bore system machining | |
| CN105458317A (en) | Hydraulic tensioning clamping mandrel for thin-wall shaft sleeve | |
| CN202367295U (en) | Centering hobbing fixture | |
| CN211163076U (en) | Lead screw connecting structure for gantry numerical control machine tool | |
| CN205165940U (en) | Hydraulic pressure tight dabber that expands | |
| CN111015587A (en) | Planet carrier subassembly is with assembly fixture | |
| CN206178320U (en) | Camera lens enclasping mechanism and have its camera that takes photograph | |
| CN203171552U (en) | Matched tooling of belleville spring of rear-mounted disc brake | |
| CN219013139U (en) | Self-locking nut | |
| CN201895230U (en) | Positioning and clamping device for tubular part | |
| CN114645131B (en) | Compression molding device for controlling heat treatment deformation of bearing ring | |
| CN217653118U (en) | Internal drive reset type brake | |
| CN201729239U (en) | Integrated structure of connecting pipe and pipe bracket in bicycle frame | |
| CN106005104A (en) | Casing pipe structure for all-aluminum white vehicle body | |
| CN201900436U (en) | Hydraulic balance press-mounting clamp | |
| CN109773104B (en) | Mechanical press screw sleeve fastening device and method | |
| CN207509123U (en) | Bearing grease injection capping machine clamp spring extrusion die | |
| CN209875612U (en) | Piston and piston rod connecting structure of hydraulic oil cylinder | |
| CN219003163U (en) | Cone crusher and processing system of optimizing assembly | |
| CN203442112U (en) | Cylinder barrel and cylinder cover connecting structure | |
| CN205136298U (en) | Locking bolt assembly and check bolt and locknut thereof | |
| CN215109889U (en) | Anti-loosening fastener | |
| CN103600217A (en) | Bushing clamping mechanism of bushing press-in machine | |
| CN214945617U (en) | High-strength hydraulic nut | |
| CN211648992U (en) | Double-output speed reducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |