CN212421142U

CN212421142U - Universal joint assembling device

Info

Publication number: CN212421142U
Application number: CN202021204965.XU
Authority: CN
Inventors: 彭天龙
Original assignee: Hangzhou Nantong Bearing Co ltd
Current assignee: Hangzhou Nantong Bearing Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-01-29
Anticipated expiration: 2030-06-24

Abstract

The utility model relates to a universal joint assembly quality, including the workstation, set up the storage tank that cooperates the cross axle shape on the workstation, set up a plurality of spread grooves that cooperate the link on the storage tank, set up the guide rail groove that cooperates the axle sleeve shape on the workstation, guide rail groove and a tip of spread groove are coaxial to be communicated, and the radius size of guide rail groove is greater than the radius size of spread groove tip; a sliding hole penetrating through the workbench is formed in the guide rail groove, the sliding hole is arranged along the length direction of the guide rail groove in a full-length mode, a sliding block is connected to the sliding hole in a sliding mode, and a push plate matched with the shaft sleeve in shape is fixedly connected to the upper portion of the sliding block; the lower part of the workbench is also connected with a driving component for driving the sliding block to move. The utility model discloses have machinery and replace artifical installation axle sleeve and cross, high-efficient, stable effect.

Description

Universal joint assembling device

Technical Field

The utility model belongs to the technical field of the universal joint processing technique and specifically relates to a universal joint assembly quality is related to.

Background

The universal joint is a part for realizing variable-angle power transmission, is used for changing the position of the transmission axis direction, and is commonly used for a universal transmission device of an automobile driving system.

Referring to fig. 5, the conventional cross universal joint includes a cross 23 and a sleeve 27, and the cross 23 includes a fixing portion 24 and a connecting end fixed to the fixing portion 24. The fixed end is arranged in a hollow way. The link is including the vertical link 26 that all is hollow tubulose horizontal link 25 and perpendicular horizontal link 25, and horizontal link 25 and vertical link 26 all have two. Two horizontal connecting ends 25 are coaxially arranged, two vertical connecting ends 26 are coaxially arranged, and the horizontal connecting ends 25 and the vertical connecting ends 26 are axially and vertically arranged. The horizontal connecting ends 25 and the vertical connecting ends 26 are respectively fixedly connected to four end faces of the fixing portion 24 and are communicated with the fixing portion 24. The sleeve 27 is coaxially and rotatably connected to either the horizontal connection end 25 or the vertical connection end 26.

The existing shaft sleeve and the cross shaft are usually installed manually, an installer is required to connect the shaft sleeve to the horizontal connecting end or the vertical connecting end of the cross shaft, and then the connection between the shaft sleeve and the cross shaft is completed after the installer presses the shaft sleeve.

In the installation of the axle sleeve of above-mentioned cross, each cross universal joint has four tip all to need the connecting axle sleeve and presses, and the installer will appear taking off the power phenomenon after installing the axle sleeve for a long time, reduces work efficiency.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a universal joint assembly quality has mechanical assembly, the stable effect of work efficiency.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a universal joint assembling device comprises a workbench, wherein a containing groove matched with a cross-shaped shaft is formed in the workbench, a plurality of connecting grooves matched with connecting ends are formed in the containing groove, a guide rail groove matched with a shaft sleeve is formed in the workbench, the guide rail groove is coaxially communicated with one end part of each connecting groove, and the radius size of the guide rail groove is larger than that of the end part of each connecting groove; a sliding hole penetrating through the workbench is formed in the guide rail groove, the sliding hole is arranged along the length direction of the guide rail groove in a full-length mode, a sliding block is connected to the sliding hole in a sliding mode, and a push plate matched with the shaft sleeve in shape is fixedly connected to the upper portion of the sliding block; the lower part of the workbench is also connected with a driving component for driving the sliding block to move.

In above-mentioned technical scheme, the cross axle is placed on the storage tank, and the link of cross axle is located the spread groove, places the axle sleeve on the guide rail groove between push pedal and the storage tank, starts drive assembly, and the drive slider removes the slip in the parallel guide rail groove length direction in the sliding hole, and the slurcam on the slider will promote the axle sleeve to the coaxial spread groove removal to locate the tip of cross universal joint with the axle sleeve cover. And the accommodating groove arranged on the workbench restricts the movement of the cross shaft when the shaft sleeve is installed, so that the installation precision is improved. Compared with manual installation and pressing, the installation and pressing of the shaft sleeve and the cross shaft are performed by the driving motor, the driving screw rod, the sliding block and the push plate instead of an operator, and the working efficiency is more efficient and stable.

The present invention may be further configured in a preferred embodiment as: the driving assembly comprises an active screw rod and a driving screw rod rotating driving motor, the active screw rod is arranged along the parallel guide rail groove, the driving screw rod is a two-way screw rod with opposite threads at two ends, and sliding blocks on the two guide rail grooves in the axial direction of the parallel driving screw rod are respectively matched with the threads on the side surfaces of two ends of the driving screw rod.

In the technical scheme, the driving motor on the driving assembly drives the driving screw rod to rotate, and the driving screw rod drives the two sliding blocks to move in opposite directions or move in opposite directions, so that the device can be used for simultaneously connecting the shaft sleeves to the two coaxial ends of the cross shaft, the working efficiency is improved, the use of the driving motor is reduced, and the cost is reduced. And the coaxial two ends of the cross shaft are stressed in a balanced way when the shaft sleeve is installed.

The present invention may be further configured in a preferred embodiment as: still be equipped with the driven lead screw of vertical drive lead screw on the workstation, still be provided with the linkage subassembly of the driven lead screw of drive on the drive lead screw, the linkage subassembly includes fixed connection in the first linkage gear of drive lead screw, the gangbar of parallel drive lead screw, with the cooperation of first linkage gear and coaxial fixed connection in the cooperation gear of gangbar tip, fixed connection keeps away from the second linkage gear of cooperation gear tip in the gangbar to and the third linkage gear of fixed connection on driven lead screw, be provided with the linkage chain on third linkage gear and the second linkage gear.

In the technical scheme, when the screw rod is driven to rotate, the first linkage gear of the linkage assembly is driven to drive the matching gear, the matching gear drives the linkage rod, the linkage rod drives the second linkage gear, and the second linkage gear drives the third linkage gear coaxially fixed on the driven screw rod to rotate, so that the sliding block and the push plate on the linkage screw rod are driven, the use number of driving motors is reduced, and the cost is reduced.

The present invention may be further configured in a preferred embodiment as: the driven screw rod is a bidirectional screw rod with opposite threads on the side surfaces of the two ends, and the slide blocks in the two guide rail grooves parallel to the driven screw rod are respectively in threaded fit with the side surfaces of the two ends of the driven screw rod.

In the technical scheme, the driven screw rod which is a bidirectional screw rod can simultaneously drive the two sliding blocks on the driven screw rod, so that the shaft sleeves at the four end parts of the cross shaft are simultaneously installed, and the working efficiency is improved. And the four end parts of the cross shaft are stressed in balance, so that the probability of inclination of the end parts of the cross shaft is reduced.

The present invention may be further configured in a preferred embodiment as: the workbench is provided with a feeding groove, the width direction of the feeding groove is matched with the thickness direction of the shaft sleeve, the feeding groove is obliquely arranged, the lower end of the feeding groove is vertically communicated with the side surface of the guide rail groove and is arranged in parallel with the bottom end of the guide rail groove, and the other end of the feeding groove is far away from the guide rail groove and is arranged in parallel with the upper surface of the workbench; still be provided with curved baffle in the push pedal, the baffle sets up along the length direction in guide rail groove, and a tip and push pedal fixed connection of baffle and lateral surface and the side parallel and level setting of push pedal, the baffle passes through and shields the hookup location of guide rail groove and feed chute when the push pedal removes.

In above-mentioned technical scheme, the one side that the storage tank was kept away from to the messenger push pedal is laminated with the one end that the storage tank was kept away from to the guide rail groove, and the operator can place the axle sleeve on the feed chute, and the feed chute of slope can make the axle sleeve roll under the action of gravity and get into the guide rail inslot to realize the feeding, and reduce the risk that the operator used this device. When the shaft sleeve is extruded to enter the end part of the cross shaft, the outer side wall of the baffle plate on the push plate shields the connecting position of the feed chute and the guide rail chute, so that the probability that the shaft sleeve positioned on the feed chute enters the push plate and is far away from the accommodating groove to block the push plate is reduced.

The present invention may be further configured in a preferred embodiment as: the baffle is the setting of major arc, there is the clearance between the lateral wall of baffle lower part and the inner wall in guide rail groove.

In above-mentioned technical scheme, the lower part lateral wall that is the baffle of major arc shape setting can increase the stability ability of push pedal when the installation axle sleeve.

The present invention may be further configured in a preferred embodiment as: and a magnetic strip for adsorbing the shaft sleeve is arranged on the inner side wall of the guide rail groove corresponding to the position where the feed groove is communicated with the guide rail groove.

In the technical scheme, the shaft sleeve rolls into the guide rail groove under the action of gravity, and the shaft sleeve collides with the inner wall of the guide rail groove and moves along the length direction of the feed chute. The magnetic strips adsorb the shaft sleeve, so that the movement of the shaft sleeve entering the guide rail groove is reduced, the shaft sleeve is adsorbed when the shaft sleeve stops moving, the shaft sleeve and the guide rail groove are coaxial, and the shaft sleeve is conveniently pushed by the push plate.

The present invention may be further configured in a preferred embodiment as: a semicircular annular cover plate is arranged on the guide rail groove, the cover plate covers the upper part of the guide rail groove, and a gap is formed between the upper part of the push plate and the inner side wall of the cover plate; and a gap formed by a gap is formed between one end of the cover plate close to the connecting groove and the connecting groove.

In the technical scheme, the cover plate restrains the upper part of the shaft sleeve, the probability of inclination of the shaft sleeve when the shaft sleeve is pushed by the push plate is reduced, and the stability of the shaft sleeve on the guide rail groove is improved.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the cross axle is placed on the storage tank, and the link of cross axle is located the spread groove, places the axle sleeve on the guide rail groove between push pedal and the storage tank, starts drive assembly, and the drive slider removes the slip in the parallel guide rail groove length direction in the sliding hole, and the catch plate on the slider will promote the axle sleeve and remove to coaxial spread groove to locate the tip of cross universal joint with the axle sleeve cover. And the accommodating groove arranged on the workbench restricts the movement of the cross shaft when the shaft sleeve is installed, so that the installation precision is improved. Compared with manual installation pressing, the installation pressing of the shaft sleeve and the cross shaft is performed by replacing an operator with the driving motor, the driving screw rod, the sliding block and the push plate, so that the working efficiency is more efficient and stable;

2. when the driving screw rod rotates, the first linkage gear of the linkage assembly is driven, the first linkage gear drives the matching gear, the matching gear drives the linkage rod, the linkage rod drives the second linkage gear, and the second linkage gear drives the third linkage gear coaxially fixed on the driven screw rod to rotate, so that the sliding block and the push plate on the linkage screw rod are driven, the use number of driving motors is reduced, and the cost is reduced;

3. the cover plate restrains the upper part of the shaft sleeve, reduces the probability of inclination of the shaft sleeve when the shaft sleeve is pushed by the push plate, and improves the stability of the shaft sleeve on the guide rail groove.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the lower surface of the working table of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 2;

fig. 5 is a schematic view of a conventional cross and bushing structure.

In the figure, 1, a workbench; 2. a support frame; 3. a containing groove; 4. a slide hole; 5. a slider; 6. pushing the plate; 7. a drive assembly; 8. a drive motor; 9. driving the screw rod; 10. a cover plate; 11. connecting grooves; 12. a baffle plate; 13. a feed chute; 14. a fixed block; 15. a driven screw rod; 16. connecting blocks; 17. a first linkage gear; 18. a mating gear; 19. a linkage rod; 20. a second linkage gear; 21. a third driving gear; 22. a linkage chain; 23. a cross shaft; 24. a fixed part; 25. a horizontal connecting end; 26. a vertical connecting end; 27. a shaft sleeve; 28. a magnetic strip; 29. a guide rail groove.

Detailed Description

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

Referring to fig. 1 and 2, for the utility model discloses a universal joint assembly quality, including being platelike workstation 1, fixed surface is connected with support frame 2 that supports workstation 1 under workstation 1. The working table 1 is provided with a containing groove 3 matched with the cross shaft 23 in shape, four end parts of the containing groove 3 are provided with connecting grooves 11 matched with the cross shaft connecting end, and the cross sections of the connecting grooves 11 are arranged in a semicircular shape. The cross shaft 23 is placed on the containing groove 3, and a gap exists between the outer side wall of the cross shaft connecting end and the inner side wall of the connecting groove 11. The upper surface of the working table 1 is provided with a guide rail groove 29, the cross section of the guide rail groove 29 is semicircular and is coaxially arranged with the end part of the connecting groove 11, and the guide rail groove 29 is matched with the shaft sleeve 27 and is arranged with the radius larger than the radius of the end part of the connecting groove 11.

The bottom end of the guide rail groove 29 is provided with a slide hole 4 which vertically penetrates to the axial full length of the guide rail groove 29 parallel to the lower surface of the workbench 1, and a slide block 5 is arranged on the slide hole 4. The top of the sliding block 5 is fixedly connected with a push plate 6 matched with the appearance of the shaft sleeve 27. The lower surface of the working table 1 is also provided with a driving component 7 for driving the sliding block 5 to move. The driving assembly 7 comprises a driving motor 8 and a driving screw rod 9 coaxially fixed on an output shaft of the driving motor 8, an axial parallel guide rail groove 29 of the driving screw rod 9 is arranged, and the driving screw rod 9 penetrates through the sliding block 5 and is in threaded fit with the sliding block 5.

The cross shaft 23 is placed on the accommodating groove 3, and the connecting end of the cross shaft 23 is positioned on the connecting groove 11. The sleeve 27 is placed on the guide rail groove 29 between the push plate 6 and the end of the corresponding receiving groove 3. The driving motor 8 is started, the driving screw 9 on the driving motor 8 drives the sliding block 5 to move, so that the push plate 6 is driven to move, the shaft sleeve 27 is driven by the push plate 6 to gradually approach the end part of the cross shaft 23 on the accommodating groove 3, and finally, the shaft sleeve 27 is sleeved on the end part of the cross shaft 23 under the action of the push plate 6. Then, the operator takes out the cross 23, on which the boss 27 has been fitted, from the accommodating groove 3. Compared with the prior art, the driving motor 8, the driving screw 9, the sliding block 5 and the push plate 6 replace an operator to install and press the shaft sleeve 27 and the cross shaft 23, and the working efficiency is more efficient and stable.

Referring to fig. 1 and 3, a semicircular cover plate 10 is fixedly connected to the table 1 along the length direction of the rail groove 29. The upper surface of the working platform 1 is also provided with a feeding groove 13 which is vertical to the middle part of the guide rail groove 29.

The inner side wall of the cover plate 10 forms a circular section in cooperation with the side wall of the rail groove 29. The cover plate 10 is disposed near the end of the receiving groove 3 and has a gap with the end of the receiving groove 3 for receiving and taking the cross shaft 23.

The bottom of the feed chute 13 is obliquely arranged, the lower end of the feed chute is connected with the bottom end of the guide rail groove 29, and the higher end of the feed chute is far away from the guide rail groove 29 and is arranged flush with the upper surface of the workbench 1.

Still be provided with the baffle 12 that is the major arc shape on the push pedal 6, baffle 12 sets up along the length direction of guide rail groove 29, and a tip and push pedal 6 fixed connection and lateral surface of baffle 12 set up with the side parallel and level of push pedal 6, and the lower part lateral surface of baffle 12 with to crossing the laminating of groove 29 inner wall mutually to improve the stability ability of push pedal 6. The baffle plate 12 passes and shields the connecting position of the guide rail groove 29 and the feed chute 13 when the push plate 6 moves. When one end part of the baffle plate 12 far away from the push plate 6 is abutted against one end part of the guide rail groove 29 far away from the accommodating groove 3, one side surface of the push plate 6 close to the accommodating groove 3 is flush with one side surface of the feed groove 13 far away from the accommodating groove 3. When the push plate 6 abuts against one end of the cross shaft 23 in the accommodating groove 3, the baffle plate 12 shields the connecting position between the guide rail groove 29 and the feeding groove 13, so that the probability that the shaft sleeve 27 in the feeding groove 13 enters the guide rail groove 29 to block the push plate 6 when the shaft sleeve 27 is installed is reduced.

Referring to fig. 2 and 4, the length of the driving screw 9 is greater than the length direction of the two coaxial guide rail grooves 29, and the two end sides of the driving screw 9 are respectively provided with reverse threads, so that the driving screw 9 is a bidirectional screw. Meanwhile, the sliding blocks 5 on the two coaxial guide rail grooves 29 are respectively matched with the threads on the side surfaces of the two ends of the driving screw rod 9. The driving screw rod 9 can drive the sliding blocks 5 on the two coaxial guide rail grooves 29 to move towards or away from each other, and the shaft sleeves 27 at the two coaxial ends of the cross shaft 23 are installed at the same time, so that the installation efficiency is improved.

Four fixing blocks 14 which are distributed at intervals along the axial direction of the driving screw 9 are arranged on the driving screw 9, the top of each fixing block 14 is fixedly connected with the lower surface of the workbench 1, and the driving screw 9 penetrates through the fixing blocks 14 and is coaxially and rotatably connected onto the fixing blocks 14. Fixedly connected with is located one side connecting plate of workstation 1 on driving motor 8, and connecting plate fixed connection is on workstation 1. An output shaft of the driving motor 8 is coaxially and fixedly connected with one end part of the driving screw rod 9.

The lower surface of the working table 1 is also provided with a driven screw rod 15, and the driven screw rod 15 is lower than the driving screw rod 9. The axial direction of the driven screw rod 15 is vertical to the axial direction of the driving screw rod 9 and is correspondingly arranged below the guide rail groove 29 parallel to the driven screw rod 15. Four connecting blocks 16 axially distributed at intervals along the driven screw rod 15 are arranged on the driven screw rod 15, the top of each connecting block 16 is fixedly connected with the lower surface of the workbench 1, the driven screw rod 15 penetrates through the connecting blocks 16, and the driven screw rod 15 is coaxially and rotatably connected onto the connecting blocks 16. The two end sides of the driven screw rod 15 are respectively provided with reverse threads, so that the driving screw rod 9 is a bidirectional screw rod, the driven screw rod 15 can drive the two sliding blocks 5 on the driven screw rod 15, and the shaft sleeves 27 at the four ends of the cross shaft 23 are simultaneously installed to improve the working efficiency. And the four ends of the cross shaft 23 are balanced when the shaft sleeve 27 is installed, so that the probability of deformation and bending of the ends of the cross shaft 23 is reduced.

A linkage assembly is further arranged between the driven screw rod 15 and the driving screw rod 9 and comprises a first linkage gear 17, a matching gear 18, a linkage rod 19, a second linkage gear 20 and a third linkage gear 21. The first linkage gear 17 is coaxially and fixedly connected to the driving screw rod 9.

The linkage rod 19 is axially and vertically arranged to drive the screw rod 9 axially, two limiting blocks are axially distributed on the linkage rod 19 at intervals along the linkage rod 19, the tops of the limiting blocks are fixedly connected to the lower surface of the workbench 1, and the linkage rod 19 penetrates through the two limiting blocks and is rotatably connected with the limiting blocks. One end of the linkage rod 19 close to the driving screw rod 9 is coaxially and fixedly connected with the matching gear 18, and the first linkage gear 17 and the matching gear 18 are two meshed bevel gears.

The second linkage gear 20 is coaxially and fixedly connected to the middle part of the linkage rod 19.

The third gear 21 is coaxially and fixedly connected to the driven screw rod 15, and a linkage chain 22 is engaged with the third gear 21 and the second gear 20.

Make drive lead screw 9 can pass through linkage assembly simultaneous drive driven lead screw 15 in the pivoted to for driven lead screw 15 provides power, reduce this device driving motor 8's use quantity, reduce cost.

The implementation principle of the embodiment is as follows: the accommodating groove 3 on the workbench 1 is used for accommodating the cross shaft 23 and limiting the cross shaft 23 in the horizontal direction. The push plate 6 in the guide track groove 29 will push the sleeve 27 to move toward the connection end of the cross 23 under the driving of the driving assembly 7. The shaft sleeve 27 is driven by the push plate 6 to gradually approach the end of the cross shaft 23 on the accommodating groove 3, and finally, the shaft sleeve 27 is sleeved on the end of the cross shaft 23 under the action of the push plate 6. Then, the operator takes out the cross 23 fitted with the boss 27 from the accommodating groove 3.

The linkage assembly on the workbench 1 drives the screw rod 9 and the driven screw rod 15 together, and the driving screw rod 9 and the driven screw rod 15 which are both bidirectional screw rods respectively drive the sliding blocks 5 on every two coaxial guide rail grooves 29, so that the sliding blocks 5 in the four guide rail grooves 29 simultaneously move, and the shaft sleeve 27 is installed.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A kind of universal joint rigging equipment, characterized by: the guide rail connecting device comprises a workbench (1), wherein a containing groove (3) matched with the shape of a cross shaft (23) is formed in the workbench (1), a plurality of connecting grooves (11) matched with connecting ends are formed in the containing groove (3), a guide rail groove (29) matched with the shape of a shaft sleeve (27) is formed in the workbench (1), the guide rail groove (29) is coaxially communicated with one end part of each connecting groove (11), and the radius size of the guide rail groove (29) is larger than that of the end part of each connecting groove (11); a sliding hole (4) penetrating through the workbench (1) is formed in the guide rail groove (29), the sliding hole (4) is arranged along the length direction of the guide rail groove (29) in a full length mode, a sliding block (5) is connected onto the sliding hole (4) in a sliding mode, and a push plate (6) matched with the shape of the shaft sleeve (27) is fixedly connected to the upper portion of the sliding block (5); the lower part of the workbench (1) is also connected with a driving component (7) for driving the sliding block (5) to move.

2. A gimbal mounting apparatus as claimed in claim 1, wherein: drive assembly (7) are including initiative lead screw and drive lead screw (9) pivoted driving motor (8) that set up along parallel guide rail groove (29), drive lead screw (9) have one, drive lead screw (9) are the opposite two-way lead screw of both ends screw thread, slider (5) on parallel drive lead screw (9) axial two guide rail grooves (29) respectively with the screw-thread fit of the both ends side of drive lead screw (9).

3. A gimbal mounting apparatus as claimed in claim 2, wherein: still be equipped with driven lead screw (15) of vertical drive lead screw (9) on workstation (1), still be provided with the linkage subassembly of drive driven lead screw (15) on drive lead screw (9), the linkage subassembly includes first linkage gear (17) of fixed connection in drive lead screw (9), gangbar (19) of parallel drive lead screw (9), cooperate gear (18) of just coaxial fixed connection in gangbar (19) a tip with first linkage gear (17), second linkage gear (20) of cooperation gear (18) tip are kept away from in gangbar (19) fixed connection to and third linkage gear (21) on driven lead screw (15), be provided with linkage chain (22) on third linkage gear (21) and second linkage gear (20).

4. A gimbal mounting apparatus as claimed in claim 3, wherein: the driven screw rod (15) is a bidirectional screw rod with opposite threads on the side surfaces of the two ends, and the sliding blocks (5) in the two guide rail grooves (29) parallel to the driven screw rod (15) are respectively in threaded fit with the side surfaces of the two ends of the driven screw rod (15).

5. A gimbal mounting apparatus as claimed in claim 1, wherein: the feeding groove (13) is formed in the workbench (1), the width direction of the feeding groove (13) is matched with the thickness direction of the shaft sleeve (27) to be arranged, the feeding groove (13) is obliquely arranged, the lower end of the feeding groove (13) is vertically communicated with the side face of the guide rail groove (29) and is arranged in parallel with the bottom end of the guide rail groove (29), and the other end of the feeding groove (13) is far away from the guide rail groove (29) and is arranged in parallel with the upper surface of the workbench (1); still be provided with curved baffle (12) on push pedal (6), baffle (12) set up along the length direction of guide rail groove (29), and a tip and push pedal (6) fixed connection and the lateral surface of baffle (12) set up with the side parallel and level of push pedal (6), baffle (12) pass through and shield the hookup location of guide rail groove (29) and feed chute (13) when push pedal (6) remove.

6. A gimbal mounting apparatus as claimed in claim 5, wherein: baffle (12) are the setting of major arc shape, there is the clearance between the lateral wall of baffle (12) lower part and the inner wall of guide rail groove (29).

7. A gimbal mounting apparatus as claimed in claim 1, wherein: and a magnetic strip (28) for adsorbing the shaft sleeve (27) is arranged on the inner side wall of the guide rail groove (29) corresponding to the communication position of the feeding groove (13) and the guide rail groove (29).

8. A gimbal mounting apparatus as claimed in claim 7, wherein: a semicircular annular cover plate (10) is arranged on the guide rail groove (29), the cover plate (10) shields the upper part of the guide rail groove (29), and a gap is formed between the upper part of the push plate (6) and the inner side wall of the cover plate (10); and a gap formed by a gap is formed between one end of the cover plate (10) close to the connecting groove (11) and the connecting groove (11).