WO2023004968A1

WO2023004968A1 - Rotary clamping quick-change workbench

Info

Publication number: WO2023004968A1
Application number: PCT/CN2021/119375
Authority: WO
Inventors: 徐鹏
Original assignee: 浙江麦信智能装备有限公司
Priority date: 2021-07-27
Filing date: 2021-09-18
Publication date: 2023-02-02

Abstract

A rotary clamping quick-change workbench, comprising a mounting plate (1), a support ring (2), a limiting ring (3), a workpiece plate (4), a locking rod (6), and a limiting assembly (5); the support ring (2) is mounted on the upper surface of the mounting plate (1). The support ring (2) comprises a seat ring (21), a ball (22), and a cover ring (23), the cover ring (23) being positioned above the seat ring (21), the opposite surfaces of the seat ring (21) and the cover ring (23) respectively being provided with grooves, and the ball (22) respectively being tangent to the upper and lower grooves, such that the seat ring (21) and the cover ring (23) do not fit together, and the ball (22) rolls in the grooves; the limiting assembly (5) allows the workpiece plate (4) to sit on the cover ring (23); the limiting ring (3) is fixed below the workpiece plate (4), the limiting ring (3) being concentric with the support ring (2), the limiting ring (3) being sleeved outside the support ring (2), the limiting ring (3) being circumferentially provided with a positioning groove (31), the locking rod (6) being mounted on the mounting plate (1), and the front end of the locking rod (6) extending into and out of the positioning groove (31) to allow the workpiece plate (4) to rotate relative to the workbench.

Description

A rotary clamping quick change table

technical field

The utility model relates to the field of mechanical processing, in particular to a rotary clamping quick-change tooling.

Background technique

For the processing and manufacturing of the workpiece, it is often necessary to rotate the workpiece at the same station to realize the operation and manufacturing of multiple angles, and after the operation, it needs to be transferred to the next station.

The existing workbench was complex, inconvenient to maintain, and not strong enough to support heavy equipment.

Utility model content

The purpose of this utility model is to provide a rotary clamping quick-installation workbench, which can solve one or more of the above-mentioned technical problems.

In order to achieve the above object, the technical scheme proposed by the utility model is as follows:

A rotary clamping quick-change workbench, including a mounting plate, a support ring, a limit ring, a workpiece plate, a locking rod, and a limit assembly;

The supporting ring is placed on the upper surface of the mounting plate.

The support ring includes a seat ring, balls, and a cover ring, the cover ring is located above the seat ring, grooves are respectively provided on the opposite surfaces of the seat ring and the cover ring, and the balls are respectively tangent to the upper and lower grooves , so that the seat ring and the cover ring do not fit together, and the balls roll in the groove.

The limit assembly allows the working plate to sit on the cover ring.

The limit ring is fixed under the workpiece plate, the limit ring is concentric with the support ring, the limit ring is set outside the support ring, the limit ring is provided with positioning grooves in the circumferential direction, and the locking The rod is installed on the mounting plate, and the front end of the locking rod telescopically enters and exits the positioning groove to allow the workpiece plate to rotate relative to the workbench.

Further: the locking rod includes a rod body, a rod frame, a guide channel, and a guide block, the rod body passes through the rod frame, the guide block is embedded in the guide channel, and the rod body drives the guide block in the In and out of the guide channel.

Further: threads are provided at the front end of the rod body, threaded holes are provided at the end of the guide block, and the rod body is threadedly connected with the guide block.

Further: the positioning groove is in a "V" shape, and the guide block corresponds to a block with a "V"-shaped head.

Further: the limit assembly includes a limit seat, a limit shaft, a bearing, and a bearing support seat.

The limit seat includes a lower retaining ring and an upper retaining ring, the upper retaining ring is located inside the limit seat, and the lower retaining ring is located outside the limit ring; the limit seat passes through the worktable, and the lower retaining ring located under the mounting plate.

The upper end of the limit shaft is provided with a blocking piece, and the lower end is provided with a screw thread.

The lower end of the position-limiting shaft passes through the working plate so that the blocking piece is attached to the upper surface of the working plate.

The limiting shaft continues to pass through the middle of the bearing, so that the middle part of the limiting shaft is in interference fit with the inner ring of the bearing.

The lower end of the limiting shaft is threadedly connected to the bearing support seat; the upper end surface of the bearing outer ring is attached to the upper retaining ring, and the lower end surface of the bearing inner ring is attached to the upper end surface of the bearing support seat.

Further: a stop washer is installed between the lower end surface of the bearing inner ring and the upper end surface of the bearing support seat.

Further: there are four positioning grooves, which are respectively located at the quartering positions of the limiting ring.

Further: it also includes a base, a base plate is set on the base, and a lifting assembly is set under the base plate, the lifting assembly includes a swing shaft, a swing rod, a swing groove, and a hook, and one end of the swing rod is hinged to the swing shaft , the other end of the swing rod is hinged with the hook, the hook enters the swing groove, the swing rod is installed symmetrically on both sides of the swing shaft, and the swing shaft rotates to make the hook close to or separate.

The technical effect of the utility model is:

The support ring in the utility model can carry workpieces with heavy loads, and can realize the requirements of different positioning angles for free rotation of products. An adjustable rotary positioning component is installed to realize fast and accurate positioning of the product.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute improper limitations to the utility model.

In the attached picture:

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a schematic diagram of the explosion structure of Fig. 1;

Fig. 3 is the top view structural representation of Fig. 1 (remove workpiece plate);

Fig. 4 is a schematic cross-sectional structure diagram of Fig. 1;

Fig. 5 is a schematic structural diagram of a hoisting assembly added on the basis of Fig. 1;

Fig. 6 is a schematic diagram of the assembled structure of Fig. 5;

Fig. 7 is a schematic structural diagram of another angle of Fig. 6;

Fig. 8 is a schematic cross-sectional structure diagram of Fig. 6;

Wherein, the above-mentioned accompanying drawings include the following reference signs:

Mounting plate 1, support ring 2, seat ring 21, ball 22, cover ring 23, limit ring 3, positioning groove 31, workpiece plate 4, limit assembly 5, limit seat 51, limit shaft 52, bearing 53, Bearing support seat 54, stop washer 55, safety plate 56, locking rod 6, rod body 61, rod frame 62, guide channel 63, guide block 64, base plate 7, hoisting assembly 8, swing shaft 81, swing rod 82, Swing groove 84, hook 83.

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments, wherein the schematic embodiments and illustrations are only used to explain the utility model, but not as improper limitations to the utility model.

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and/or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and/or combinations thereof.

It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein, for example, can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessarily limited to the expressly listed instead, may include other steps or elements not explicitly listed or inherent to the process, method, product or apparatus.

For the convenience of description, spatially relative terms may be used here, such as "on ...", "over ...", "on the surface of ...", "above", etc., to describe the The spatial positional relationship between one device or feature shown and other devices or features. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, devices described as "above" or "above" other devices or configurations would then be oriented "beneath" or "above" the other devices or configurations. under other devices or configurations". Thus, the exemplary term "above" can encompass both an orientation of "above" and "beneath". The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.

As shown in Figures 1-4, a rotary clamping quick-change workbench includes a mounting plate 1, a support ring 2, a limit ring 3, a workpiece plate 4, a locking rod 6, and a limit assembly 5.

The supporting ring is placed on the upper surface of the mounting plate.

The support ring 2 includes a seat ring 21, a ball 22, and a cover ring 23. The cover ring is located above the seat ring, and grooves are respectively arranged on the opposite surfaces of the seat ring and the cover ring. The grooves in which the balls roll are respectively tangential, so that the race and the cover do not fit together.

The limit assembly allows the working plate to sit on the cover ring.

The limit ring 3 is fixed below the workpiece plate 4, the limit ring is concentric with the support ring, the limit ring is set outside the support ring, and the positioning groove 31 is arranged circumferentially on the limit ring, so The locking rod 6 is installed on the mounting plate, and the front end of the locking rod telescopically enters and exits the positioning groove to allow the workpiece plate to rotate relative to the workbench.

In the utility model, the limit assembly ensures that the workpiece plate will not be separated from the support ring, and the ball is fastened by the cover ring and the seat ring. Due to the pressure of the workpiece, it is guaranteed that the ball will not be separated, and the rotation process is smooth and smooth. The supporting ring in the utility model adopts balls, which can carry relatively heavy workpieces; the locking rod cooperates with the positioning groove on the limiting ring to complete positioning and locking.

One person can complete the operation of changing the surface of the workpiece, without worrying about the workpiece plate toppling over, and the structure is stable and safe.

The balls are preferably tangent to each other and covered with grooves, so that the pressure on each ball can be minimized and the service life can be improved. It can also be used when the ball part is missing, and it is also very convenient for the replacement and maintenance of the ball.

In some embodiments: the locking rod 6 includes a rod body 61, a rod frame 62, a guide channel 63, and a guide block 64, the rod body passes through the rod frame, and the guide block is embedded in the guide channel, so The rod body drives the guide block in and out of the guide channel.

The rod body pushes the guide block to slide in the guide channel to ensure its stable positioning. Preferably, a spring is worn on the rod body, and the spring is compressed between the guide block and the rod frame to effectively ensure the locking effect of the guide block.

In some embodiments: further: threads are provided at the front end of the rod body, threaded holes are provided at the end of the guide block, and the rod body is threadedly connected with the guide block.

This setting can effectively reduce the difficulty of assembly, and the space required for assembly is also reduced.

In some embodiments: further: the positioning groove is in a "V" shape, and the guide block corresponds to a block with a "V"-shaped head.

Here, the positioning groove is V-shaped, which can have a certain degree of guidance, and the accuracy will be reduced during positioning.

In some embodiments: a specific limit assembly structure is disclosed. Further: the limit assembly 5 includes a limit seat 51 , a limit shaft 52 , a bearing 53 , and a bearing support seat 54 .

In the utility model, the limit assembly is not stressed, and provides rotation positioning for the workpiece plate, which is equivalent to the rotation center axis of the workpiece plate, here effectively ensuring that the workpiece plate rotates above the mounting plate, and no other relative position movement occurs .

Compared with a fixed rotating shaft, this component can be disassembled and is easy to install and maintain.

In some embodiments: a stop washer 55 is installed between the lower end surface of the bearing inner ring and the upper end surface of the bearing support seat.

Effectively prevent the bearing support seat from falling during work. In addition, a safety plate 56 is added to ensure that the stop washer 55 can work safely even if it falls, and the safety plate 56 is fixed on the lower surface of the workbench.

In some embodiments: there are four positioning grooves, which are respectively located at quartering positions of the limiting ring.

Here, the number of positioning grooves can be increased or decreased according to the actual processing needs and the condition of the workpiece.

As shown in Figure 5-Figure 8; in some embodiments, in order to increase the use function, it further includes a base, a base plate 7 is set on the base, and a lifting assembly 8 is set under the base plate, and the lifting assembly includes Swing shaft 81, swing rod 82, swing groove 84, hook 83, one end of the swing rod is hinged with the swing shaft, the other end of the swing rod is hinged with the hook, the hook enters the swing groove, the Two swing rods are installed symmetrically on both sides of the swing shaft, and the rotation of the swing shaft makes the hooks approach or separate.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

A rotary clamping quick-change workbench, characterized in that it includes a mounting plate, a support ring, a limit ring, a workpiece plate, a locking rod, and a limit assembly;

The support ring is placed on the upper surface of the mounting plate;

The support ring includes a seat ring, balls, and a cover ring, the cover ring is located above the seat ring, grooves are respectively provided on the opposite surfaces of the seat ring and the cover ring, and the balls are respectively tangent to the upper and lower grooves , so that the seat ring and the cover ring do not fit together, and the ball rolls in the groove;

The limit assembly allows the working plate to sit on the cover ring;

The limit ring is fixed under the workpiece plate, the limit ring is concentric with the support ring, the limit ring is set outside the support ring, the limit ring is provided with positioning grooves in the circumferential direction, and the locking The rod is installed on the mounting plate, and the front end of the locking rod telescopically enters and exits the positioning groove to allow the workpiece plate to rotate relative to the workbench.
The rotary clamping quick-change workbench according to claim 1, wherein the locking rod includes a rod body, a rod frame, a guide channel, and a guide block, the rod body passes through the rod frame, and the The guide block is embedded in the guide channel, and the rod body drives the guide block in and out of the guide channel.
The rotary clamping quick-change workbench according to claim 2, wherein a thread is provided at the front end of the rod body, a threaded hole is provided at the end of the guide block, and the rod body is threadedly connected with the guide block.
The rotating and clamping quick-change workbench according to claim 3, wherein the positioning groove is in the shape of a "V", and the guide block is correspondingly a block with a "V"-shaped head.
The rotary clamping quick-change worktable according to claim 1, characterized in that: the limit assembly includes a limit seat, a limit shaft, a bearing, and a bearing support seat;

The limit seat includes a lower retaining ring and an upper retaining ring, the upper retaining ring is located inside the limit seat, and the lower retaining ring is located outside the limit ring; the limit seat passes through the worktable, and the lower retaining ring located under the mounting plate;

The upper end of the limit shaft is provided with a stopper, and the lower end is provided with a thread;

The lower end of the limiting shaft passes through the working plate so that the blocking piece fits on the upper surface of the working plate;

The limiting shaft continues to pass through the middle of the bearing, so that the middle part of the limiting shaft is in interference fit with the inner ring of the bearing;

The lower end of the limiting shaft is threadedly connected to the bearing support seat; the upper end surface of the bearing outer ring is attached to the upper retaining ring, and the lower end surface of the bearing inner ring is attached to the upper end surface of the bearing support seat.
The rotary clamping quick-change workbench according to claim 5, wherein a stop washer is installed between the lower end surface of the inner ring of the bearing and the upper end surface of the bearing support seat.
The rotary clamping quick-change workbench according to claim 1, characterized in that: there are four positioning grooves, which are respectively located at the quartering positions of the limit circle.
The rotating and clamping quick-change workbench according to claim 1, characterized in that: it also includes a base, a base plate is set on the base, and a lifting assembly is set below the base plate, and the lifting assembly includes a swing shaft, a swing rod, a swing slot and hook, one end of the swing rod is hinged with the swing shaft, the other end of the swing rod is hinged with the hook, the hook enters the swing groove, and the swing rod is two symmetrically mounted on the swing shaft On both sides, the swing shaft rotates to bring the hooks closer together or apart.