CN218657794U - A worm gear rotary table - Google Patents

Abstract

The utility model discloses a worm gear rotary workbench, which comprises two side plates whose lower end is connected with both sides of the bottom plate, a main shaft which is slewing supported by the two side plates, two rotating plates fixedly installed on the main shaft, The right-angle workbench is set on two rotating plates. The right-angle workbench is an L-shaped overall structure. The main shaft is connected to the transmission device. When the transmission device drives the main shaft to rotate forward and reverse, the rotating plate drives the right-angle workbench in the range of 0 to 90 degrees. The inner rotation also includes a locking assembly for locking the rotating plate with the corresponding side plate after the rotating plate is rotated to the set position.

Description

A worm gear rotary table

technical field

The utility model relates to the technical field of auxiliary tools for processing centrifugal pumps, in particular to a worm gear rotary workbench.

Background technique

In the processing of pump body, pump cover and other components of centrifugal pumps, it is usually necessary to process some holes or surfaces with different angles, such as the flushing hole of the pump body, the inclined guide hole of the pump cover and the corresponding processing surface. Ordinary three-axis machining equipment cannot be completed without special tooling, while CNC machining equipment with more than four axes is expensive, and it is necessary to process single-piece customized products such as pump bodies and pump covers. Operations involving the installation, debugging and programming of the fourth axis are time-consuming. At the same time, because the pump body of a large centrifugal pump is often large in size and heavy in weight, the requirements for the load-bearing, driving and locking power of the fourth axis are also high, which also leads to this Such numerical control equipment is expensive and not suitable for the economical processing of single-piece customized products such as pump body or pump cover. Therefore, the applicant developed and designed a worm gear rotary table.

Utility model content

The purpose of the utility model is to provide a worm gear rotary table, which has the advantages of simple operation, flexible and convenient use, and solves the problems in the prior art.

In order to achieve the above purpose, the utility model provides the following technical solutions: a worm gear rotary table, including two side plates 1 connected at the lower end to both sides of the bottom plate 2, and a main shaft 7 supported by the two side plates 1 for slewing , two rotating plates 3 fixedly installed on the main shaft 7, right-angled workbenches 8 installed on the two described rotating plates 3, the right-angled workbench 8 is an L-shaped integral structure, and the main shaft 7 It is connected with the transmission device. When the transmission device drives the main shaft 7 to rotate forward and reverse, the rotating plate 3 drives the right-angle worktable 8 to rotate within the range of 0-90 degrees. It also includes when the rotating plate 3 A locking assembly for locking the rotating plate 3 and the side plate 1 on the corresponding side after being rotated to a set position.

Further, the transmission device includes a worm wheel 9 mounted on the main shaft 7, a worm 11 meshed with the worm wheel 9, a driven gear 10 mounted on the shaft end of the worm 11, and a driven gear 10 meshed with the driven gear 10. The driving gear 12 is installed on the driving shaft 13, and the two ends of the worm 11 and the driving shaft 13 are slewing supported by the support 14, and the support 14 is fixed to the base plate 2 connection, the driving gear 12 and the driven gear 10 are set for deceleration, and the outer end of the driving shaft 13 is provided with a rocker connector 17 .

Further, the locking assembly includes a locking shaft 5 installed on the rotating plate 3, the outer end of the locking shaft 5 is provided with a threaded section and the threaded section runs through the arc on the side plate 1 A lock nut 4 is screwed onto the threaded section, and the arc-shaped groove 101 is adapted to the rotation track of the lock shaft 5 around the main shaft 7 .

Further, lifting bolts 6 are installed on the outer upper ends of the two side plates 1 .

Further, a pointer 15 is installed on one shaft end of the main shaft 7 , and a scale plate 16 is installed on the outside of the side plate 1 corresponding to the pointer 15 , and the scale plate 16 indicates a value ranging from 0 to 90 degrees.

Further, the A working surface 802 and the B working surface 803 of the right-angle workbench 8 are perpendicular to each other, and the A work surface 802 and the B work surface 803 are provided with T-shaped slots 801, and the right-angle workbench The inner side of 8 has two mutually perpendicular installation surfaces 804, and the two ends of the installation surfaces 804 correspond to the corresponding end surfaces of the rotating plate 3 respectively.

Beneficial effects of the utility model: the worm gear rotating workbench provided by the utility model adopts a right-angle workbench structure, a double rotating plate support and a worm gear self-locking transmission combined with a locking assembly, which can conveniently carry a large pump body and a pump cover against it. The processing requirements of holes and surfaces at any angle between 0 and 90 degrees, and the reduction gear transmission structure adopted at the same time further reduce the force required for angle adjustment, and the use is easy and labor-saving. The machining center, drilling machine, boring machine and other different equipment can realize inclined hole processing; on the horizontal machining center and boring machine, the rotation of the worktable and the workbench of this technical scheme can realize the processing requirements of different angles of the plane, which is practical Good performance, low cost of use, and good processing economy.

Description of drawings

Fig. 1 is the front view of the utility model;

Fig. 2 is A-A sectional view among Fig. 1;

Fig. 3 is a side view of the utility model;

Fig. 4 is a structural schematic diagram of a right-angle workbench of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-4, a turbine worm rotary table, including two side plates 1 connected to both sides of the bottom plate 2 at the lower end, a main shaft 7 rotatably supported by the two side plates 1, and fixedly installed on the main shaft 7 The two rotating plates 3, the right-angle worktable 8 installed on the two rotating plates 3, the right-angle workbench 8 is an L-shaped overall structure, the main shaft 7 is connected with the transmission device, and when the transmission device drives the main shaft 7 to rotate positively and negatively , the rotating plate 3 drives the right-angle worktable 8 to rotate within the range of 0 to 90 degrees, and also includes a locking assembly for locking the rotating plate 3 and the corresponding side plate 1 after the rotating plate 3 is rotated to the set position, specifically Yes, the A working surface 802 and the B working surface 803 of the right-angle workbench 8 are perpendicular to each other, and both the A work surface 802 and the B work surface 803 are provided with T-shaped slots 801 to facilitate clamping workpieces; the inside of the right-angle workbench 8 has two mutual The vertical mounting surface 804, the two ends of the mounting surface 804 respectively correspond to the corresponding end faces of the rotating plate 3, and the mounting surface 804 is connected to the rotating plate 3 through fasteners (refer to Figures 1 to 3 with hexagon socket head bolts). As a whole, in this way, when in use, when the A working surface 802 is on the side (as shown in Figure 3 ), the weight of the right-angle workbench 8 and its upper workpiece is mainly determined by the corresponding mounting surface 804 of the B working surface 803 and the rotation plate 3. Similarly, when the B working surface 803 is in the vertical position, it also has the same effect, which reduces the shear force borne by the fasteners and is conducive to improving the stability of the workbench.

Further preferably, the transmission device includes a worm wheel 9 mounted on the main shaft 7, a worm 11 meshed with the worm wheel 9, a driven gear 10 mounted on the axial end of the worm 11 and a driving gear 12 meshed with the driven gear 10, the driving gear 12 is mounted Set on the driving shaft 13, both ends of the worm 11 and the driving shaft 13 are slewing supported by the support 14, the support 14 is fixedly connected with the base plate 2, the driving gear 12 and the driven gear 10 are set for deceleration, and the outer end of the driving shaft 13 is set There is a rocking handle connecting head 17, when the angle needs to be adjusted, the rocking handle or the cranking handle can be connected with the rocking handle connecting head 17, which is easy to operate and good in practicability.

Further preferably, the locking assembly includes a locking shaft 5 installed on the rotating plate 3, the outer end of the locking shaft 5 is provided with a threaded section and the threaded section runs through the arc-shaped groove 101 on the side plate 1, and the threaded section is screwed into There is a lock nut 4, and the arc groove 101 is adapted to the rotation track of the lock shaft 5 around the main shaft 7. In this way, when the right-angle workbench 8 turns to the set angle, tighten the lock nut 4 to connect the rotating plate 3 to the side The plate 1 is locked together to keep the position of the right-angle workbench 8 stable, and at the same time reduce the compressive stress on the worm wheel 9 and the worm screw 11, which is beneficial to maintain the accuracy of the worm wheel 9 and the worm screw 11.

Through the above settings, the use of right-angle workbench structure, double rotating plate support and worm gear self-locking transmission combined with locking components can facilitate the processing of large-scale pump body and pump cover on holes and surfaces at any angle between 0 and 90 degrees. At the same time, the reduction gear transmission structure adopted further reduces the force required for angle adjustment, and is easy and labor-saving to use. This workbench can be realized on different equipment such as horizontal machining centers, vertical machining centers, drilling machines, and boring machines. Inclined hole processing; on the horizontal machining center and boring machine, the rotation of the worktable and the worktable of this technical solution can realize the processing requirements of different angles of the plane, with good practicability, low use cost and good processing economy.

Preferably, the upper ends of the outer sides of the two side plates 1 are equipped with lifting bolts 6, which are convenient for hoisting to the equipment workbench during use, and are easy to install.

Preferably, a pointer 15 is installed on one end of the main shaft 7, and a scale plate 16 is installed on the outside of the side plate 1 corresponding to the pointer 15. The scale plate 16 shows a range of 0 to 90 degrees, so that it is convenient to adjust the angle during use. Intuitive and easy to use.

It should be noted that, in this document, the terms "comprising", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or apparatus.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "top", "bottom" etc. are based on the The orientation or positional relationship is only for the convenience of describing the utility model and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a reference to the utility model. limits.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a worm gear rotary worktable which characterized in that: including two curb plates (1) that lower extreme and bottom plate (2) both sides are connected, by two main shaft (7), the fixed dress that carry out slewing bearing in curb plate (1) are in two rotor plate (3) on main shaft (7), install two right angle workstation (8) on rotor plate (3), right angle workstation (8) are L shape overall structure, main shaft (7) are connected with the transmission, work as the transmission drive during main shaft (7) just reverse rotation, rotor plate (3) drive right angle workstation (8) are at 0 ~ 90 degrees within range, still include work as rotor plate (3) rotate to be used for after setting for the position with rotor plate (3) and the side that corresponds the locking Assembly of curb plate (1) locking.

2. A worm gear and worm rotary table as set forth in claim 1, wherein: the transmission is including installing worm wheel (9) on main shaft (7), with worm (11) of worm wheel (9) meshing are installed driven gear (10) of worm (11) axle head and with driven gear (10) meshed driving gear (12), install on driving shaft (13) driving gear (12), worm (11) with driving shaft (13) both ends carry out slewing bearing by support (14), support (14) with bottom plate (2) fixed connection, driving gear (12) with driven gear (10) set up for slowing down, driving shaft (13) outer end is equipped with rocking handle connector (17).

3. A worm gear and worm rotary table as set forth in claim 1, wherein: locking Assembly is including installing locking axle (5) on rotor plate (3), locking axle (5) outer end is provided with the screw thread section just the screw thread section runs through arc wall (101) on curb plate (1), lock nut (4) have been closed soon on the screw thread section, arc wall (101) with locking axle (5) are wound main shaft (7) rotate orbit looks adaptation.

4. A worm-gear rotary table according to any one of claims 1 to 3, characterized in that: and the upper ends of the outer sides of the two side plates (1) are provided with hoisting bolts (6).

5. A worm-gear rotary table according to any one of claims 1 to 3, characterized in that: a pointer (15) is arranged at one shaft end of the main shaft (7), a scale plate (16) is arranged on the outer side of the side plate (1) corresponding to the pointer (15), and the scale plate (16) ranges from 0 to 90 degrees.

6. A worm-gear rotary table according to any one of claims 1 to 3, characterized in that: a working face (802) and a working face (803) B of the right-angle workbench (8) are perpendicular to each other, T-shaped grooves (801) are formed in the working face (802) and the working face (803) B, two perpendicular mounting faces (804) are arranged on the inner side of the right-angle workbench (8), and two ends of each mounting face (804) are correspondingly abutted to corresponding end faces of the rotating plate (3) respectively.

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