CN222449223U

CN222449223U - Screw rod supporting mechanism

Info

Publication number: CN222449223U
Application number: CN202420961486.4U
Authority: CN
Inventors: 关正义
Original assignee: LEADYANG NUMERICAL CONTROL EQUIPMENT (HEFEI) CO Ltd
Current assignee: LEADYANG NUMERICAL CONTROL EQUIPMENT (HEFEI) CO Ltd
Priority date: 2024-05-06
Filing date: 2024-05-06
Publication date: 2025-02-11
Anticipated expiration: 2034-05-06

Abstract

The utility model discloses a screw rod supporting mechanism which is applied to the field of machine tool processing, when a workbench moves to the left end, a left side supporting group can slide together with the right end, when the workbench moves to the right end, a right side supporting group can slide together with the left end, the distance between the left side supporting group and the right side supporting group is relatively fixed, the screw rod is supported in the maximum range, the supporting effect is good, the service life is long, the concentricity and the parallelism of the screw rod during rotation can be ensured, the precision of a processing center machine is better ensured, popularization is worth, a pressing rod is enabled to drive a slide rod to move by moving a pressing block, the slide rod is enabled to move to drive a toothed rod to move, the toothed rod is enabled to move to drive a gear to rotate, the gear is enabled to rotate to enable the other toothed rod to drive a clamping connector to move, the clamping connector is enabled to be separated from a clamping hole, and the supporting block is removed and replaced, the purpose of being convenient for replacing the supporting block is achieved, the workload is reduced, and the working efficiency is improved.

Description

Screw rod supporting mechanism

Technical Field

The utility model relates to the field of machine tool machining, in particular to a screw rod supporting mechanism.

Background

At present, the Chinese utility model with the bulletin number of CN220093749U discloses a screw rod supporting mechanism of a fixed beam gantry machining center, which comprises a supporting guide plate, a guiding clamping plate, a gantry and a machining table, wherein the end part of the gantry is connected with the supporting guide plate through the guiding clamping plate, a second screw rod is arranged in the middle of the front surface of the supporting guide plate, a first screw rod is arranged in the middle of the front surface of the gantry, the gantry is connected with a guide rod through a guide sleeve, the end part of the machining table is connected with the supporting guide plate, a supporting rod is arranged at the bottom of the machining table, and the bottom end of the supporting rod is connected with a supporting base. The device is provided with a portal frame, a guide clamping plate is arranged at the end part of the portal frame and can be connected with a support guide plate in a guide way, a second screw rod is arranged on the side surface of the support guide plate, the guide clamping plate can be in transmission with the second screw rod, so that the height of the portal frame can be adjusted, the flexibility of equipment is improved, a processing table is arranged on one side of the support guide plate, and a clamp with an adjustable position is arranged on the processing table.

The existing screw rod supporting mechanism is poor in supporting effect, the traditional screw rods are concentric by the aid of bearings, the screw rod parallelism is maintained to the greatest extent by pre-stretching, but the service life of the screw rods can be reduced when the pre-stretching is overlarge, the service life of the bearings can be influenced, when the precision of the screw rods does not reach a certain precision, the moving error of a workbench can be caused, the precision of machined parts is poor, the supporting blocks are inconvenient to replace, the supporting blocks can wear after being used for a long time, the supporting blocks need to be replaced regularly, the supporting blocks are generally fixed on the supporting mechanism through bolts, and when the supporting blocks are replaced, the supporting blocks need to be disassembled and assembled by using tools, so that the operation is complicated, the working efficiency is reduced, and in order to solve the existing problems, the screw rod supporting mechanism is provided.

Disclosure of utility model

The utility model aims to provide a screw rod supporting mechanism which has the advantages of good supporting effect and convenience in replacing supporting blocks.

The technical aim of the utility model is achieved through the following technical scheme that the screw rod supporting mechanism comprises a saddle, a sliding mechanism is arranged at the top of the saddle, a workbench is bolted to the top of the sliding mechanism, a guide groove is formed in the surface of the saddle, a screw rod is rotatably sleeved between the inner walls of the guide groove, a transmission block is connected to the surface of the screw rod in a threaded manner, the top of the transmission block is bolted to the bottom of the workbench, a supporting wire rail is bolted to the inner wall of the guide groove, a supporting frame is connected to the surface of the supporting wire rail in a sliding manner, a fixing plate is bolted to the surface of the supporting frame, a supporting block is arranged at the top of the fixing plate, a sliding rod is connected to the inner wall of the fixing plate in a sliding manner, a clamping joint is bolted to the surface of the sliding rod, a gear is meshed between the gear and the inner wall of the fixing plate, a pressing rod is bolted to the surface of the sliding rod on the front side, a fixing rod is bolted to the bottom of the supporting block, a clamping hole is formed in the surface of the fixing rod, a clamping hole is formed between the clamping joint and the inner wall of the fixing plate, and the spring is arranged.

By adopting the technical scheme, when the workbench moves to the left end, the left side support group can slide together with the right end, when the workbench moves to the right end, the right side support group can slide together with the left end, the distance between the left side support group and the right side support group is relatively fixed, the lead screw is supported in the maximum range, the support effect is good, the service life is long, concentricity and parallelism of the lead screw during rotation can be guaranteed, the precision of the machining center machine is better guaranteed, the machining center machine is worth popularizing, the pressing block is moved to drive the pressing rod to move, the pressing rod is moved to drive the slide rod to move, the slide rod is moved to drive the toothed bar to move, the toothed bar is moved to drive the gear to rotate, the gear is rotated to drive the other toothed bar to move, the slide rod is moved to drive the clamping joint to move, the clamping joint is separated from the clamping connection hole, the mode of taking down and replacing the support block can achieve the purpose of being convenient for replacing the support block, the workload is reduced, and the working efficiency is improved.

The sliding mechanism comprises a sliding rail, wherein the bottom of the sliding rail is bolted with the top of the saddle, the surface of the sliding rail is connected with a sliding seat in a sliding manner, and the top of the sliding seat is bolted with the bottom of the workbench.

By adopting the technical scheme, through setting up slide rail and slide, prevent that the workstation from shifting, guarantee stably.

The utility model is further characterized in that two ends of the sliding rod are respectively bolted with a sliding block, the surface of the sliding block is connected with a sliding groove in a sliding manner, and the sliding groove is formed in the inner wall of the fixed plate.

By adopting the technical scheme, through setting up slider and spout, prevent that the slide bar from shifting, guarantee stability.

The utility model is further arranged that one end of the clamping connector is wedge-shaped.

By adopting the technical scheme, one end of the clamping connector is wedge-shaped, so that the supporting block is convenient to install.

The utility model further provides that one end of the pressing rod is bolted with a pressing block.

By adopting the technical scheme, the pressing rod is convenient to move by arranging the pressing block.

The utility model further provides that the supporting block is made of nylon.

By adopting the technical scheme, the material of the supporting block is nylon, so that the abrasion with the screw rod is reduced, and the service life of the screw rod is prolonged.

In summary, the utility model has the following beneficial effects:

1. According to the utility model, when the workbench moves to the left end, the left side supporting group slides together with the right end, and when the workbench moves to the right end, the right side supporting group slides together with the left end, the distance between the left side supporting group and the right side supporting group is relatively fixed, the screw rod is supported in the maximum range, the supporting effect is good, the service life is long, the concentricity and the parallelism of the screw rod during rotation can be ensured, the precision of the machining center is better ensured, and the machining center is worthy of popularization;

2. According to the utility model, the pressing block is moved, the pressing rod is driven to move, the sliding rod is driven to move, the toothed bar is driven to rotate by the movement of the toothed bar, the toothed bar rotates to drive the sliding rod to move, the clamping connector is driven to move by the movement of the sliding bar, the clamping connector is separated from the clamping hole, and the supporting block is removed and replaced, so that the purpose of conveniently replacing the supporting block can be achieved, the workload is reduced, and the working efficiency is improved.

Drawings

FIG. 1 is a perspective view of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the structure of the present utility model;

FIG. 3 is a side cross-sectional view of the structure of the present utility model;

FIG. 4 is a top cross-sectional view of a partial structure of the present utility model;

fig. 5 is an enlarged view of the structure of fig. 3 a according to the present utility model.

Reference numeral 1, saddle; 2, a sliding mechanism, 3, a workbench, 4, a guide groove, 5, a screw rod, 6, a transmission block, 7, a supporting wire rail, 8, a supporting frame, 9, a fixed plate, 10, a supporting block, 11, a sliding rod, 12, a clamping joint, 13, a toothed bar, 14, a gear, 15, a pressing bar, 16, a fixed bar, 17, a clamping hole, 18, a sliding rail, 19, a sliding seat, 20, a sliding block, 21, a sliding groove, 22, a pressing block, 23 and a spring.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Example 1:

Referring to fig. 1, fig. 2, fig. 3 and fig. 5, a lead screw supporting mechanism, including saddle 1, the top of saddle 1 is provided with slide mechanism 2, slide mechanism 2's top bolt has workstation 3, guide way 4 has been seted up on saddle 1's surface, the screw rod 5 has been cup jointed in the rotation between the inner wall of guide way 4, screw rod 5's surface threaded connection has transmission piece 6, and transmission piece 6's top and workstation 3's bottom bolt, through when workstation 3 moves to the left end, left side support group can take the right-hand member to slide together, when workstation 3 moves to the right-hand member, right side support group can take the left end to slide together, both intervals are relatively fixed, maximum scope support screw rod 5, the supporting effect is good, long service life, concentricity and parallelism when rotatory can be guaranteed to screw rod 5, make the precision of processing center machine obtain better assurance, be worth promoting.

Referring to fig. 3, the sliding mechanism 2 comprises a sliding rail 18, the bottom of the sliding rail 18 is bolted to the top of the saddle 1, the surface of the sliding rail 18 is slidably connected with a sliding seat 19, and the top of the sliding seat 19 is bolted to the bottom of the workbench 3, and by arranging the sliding rail 18 and the sliding seat 19, the workbench 3 is prevented from shifting, and stability is ensured.

Referring to fig. 2 and 5, the supporting block 10 is made of nylon, and the wear with the screw rod 5 is reduced and the service life of the screw rod 5 is prolonged by arranging the supporting block 10 to be made of nylon.

Example 2:

Referring to fig. 2, fig. 3, fig. 4 and fig. 5, the inner wall bolt of guide way 4 has support line rail 7, the surface sliding connection of support line rail 7 has support frame 8, the surface bolt of support frame 8 has fixed plate 9, the top of fixed plate 9 is provided with supporting shoe 10, the inner wall sliding connection of fixed plate 9 has slide bar 11, the surface bolt of slide bar 11 has joint 12, the surface bolt of slide bar 11 has toothed bar 13, meshing has gear 14 between toothed bar 13, and gear 14 and the inner wall swivelling joint of fixed plate 9, the surface bolt that is located positive slide bar 11 has press bar 15, the bottom bolt of supporting shoe 10 has dead lever 16, joint hole 17 has been seted up on the surface of dead lever 16, and joint hole 17 and joint 12 joint, be provided with spring 23 between slide bar 11 and the inner wall of fixed plate 9, through removing press bar 22 removal drive press bar 15, press bar 15 removal drive slide bar 11 removal, tooth bar 13 removal drive gear 14, gear 14 rotation makes another tooth bar 13 drive joint 11 removal 11 drive joint 12, the work efficiency of joint 10 has been realized in order to change, the work load is reduced, the change of work is convenient for the joint 10 has been realized to the joint 10, the work is moved down to the joint 10.

Referring to fig. 4, both ends of the slide bar 11 are bolted with slide blocks 20, the surfaces of the slide blocks 20 are slidably connected with slide grooves 21, and the slide grooves 21 are formed in the inner wall of the fixed plate 9, so that the slide bar 11 is prevented from shifting and stability is ensured by arranging the slide blocks 20 and the slide grooves 21.

Referring to fig. 5, one end of the snap 12 is wedge-shaped, and the support block 10 is conveniently installed by providing the one end of the snap 12 with a wedge-shaped shape.

Referring to fig. 4 and 5, one end of the pressing lever 15 is bolted with a pressing block 22, and by providing the pressing block 22, the pressing lever 15 is convenient to move.

The use process is simplified, when the workbench 3 moves to the left end, the left side supporting group slides together with the right end, when the workbench 3 moves to the right end, the right side supporting group slides together with the left end, the distance between the left side supporting group and the right side supporting group is relatively fixed, the lead screw 5 is supported in the largest range, the supporting effect is good, the service life is long, concentricity and parallelism of the lead screw 5 during rotation can be guaranteed, the precision of a machining center machine is better guaranteed, the pressing block 22 is moved, the pressing block 22 moves to drive the pressing rod 15 to move, the pressing rod 15 moves to drive the slide rod 11 to move, the slide rod 11 moves to drive the toothed rod 13 to move, the toothed rod 13 moves to drive the gear 14 to rotate, the gear 14 rotates to drive the other toothed rod 13 to drive the slide rod 11 to move, the slide rod 11 moves to drive the clamping connector 12 to move, the clamping connector 12 is separated from the clamping hole 17, the supporting block 10 is removed to replace, the replaced supporting block 10 is mounted on the fixing plate 9, the sliding rod 11 drives the clamping connector 12 to be clamped with the clamping hole 17 under the action of the spring 23, and the replacement is completed, and the purpose of conveniently replacing the supporting block 10 is achieved.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims

1. The screw rod supporting mechanism comprises a saddle (1), and is characterized in that the top of the saddle (1) is provided with a sliding mechanism (2), the top of the sliding mechanism (2) is bolted with a workbench (3), a guide groove (4) is formed in the surface of the saddle (1), a screw rod (5) is rotatably sleeved between the inner walls of the guide groove (4), a transmission block (6) is connected with the surface of the screw rod (5) in a threaded manner, the top of the transmission block (6) is bolted with the bottom of the workbench (3), a supporting wire rail (7) is bolted to the inner wall of the guide groove (4), a supporting frame (8) is connected with the surface of the supporting wire rail (7) in a sliding manner, a fixing plate (9) is bolted to the surface of the supporting frame (8), a supporting block (10) is arranged at the top of the fixing plate (9), a sliding rod (11) is connected with the inner wall of the fixing plate (9) in a sliding manner, a clamping head (12) is bolted to the surface of the sliding rod (11), a toothed bar (13) is meshed with the inner wall (14) and is meshed with the pressing rod (14) in a sliding rod (15), the bottom bolt of supporting shoe (10) has dead lever (16), joint hole (17) have been seted up on the surface of dead lever (16), and joint hole (17) and joint (12) joint, be provided with spring (23) between the inner wall of slide bar (11) and fixed plate (9).

2. A screw support mechanism according to claim 1, characterized in that the sliding mechanism (2) comprises a sliding rail (18), the bottom of the sliding rail (18) is bolted to the top of the saddle (1), the surface of the sliding rail (18) is slidingly connected with a sliding seat (19), and the top of the sliding seat (19) is bolted to the bottom of the table (3).

3. Screw support mechanism according to claim 1, characterized in that both ends of the slide bar (11) are bolted with slide blocks (20), the surface of the slide blocks (20) is slidably connected with slide grooves (21), and the slide grooves (21) are opened on the inner wall of the fixed plate (9).

4. A screw support mechanism according to claim 1, wherein one end of the bayonet joint (12) is wedge-shaped.

5. A screw support mechanism according to claim 1, characterized in that one end of the pressing rod (15) is bolted with a pressing block (22).

6. A screw support mechanism according to claim 1, wherein the support block (10) is of nylon.