CN113977496B

CN113977496B - Positioning and clamping device

Info

Publication number: CN113977496B
Application number: CN202111432310.7A
Authority: CN
Inventors: 钟火炎
Original assignee: Suzhou Century Electronics Co ltd
Current assignee: Suzhou Century Electronics Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2023-07-21
Anticipated expiration: 2041-11-29
Also published as: CN113977496A

Abstract

The application proposes a positioning and clamping device, positioning and clamping device includes: the bottom plate is provided with a positioning block, a placement table for placing a workpiece to be machined is arranged beside the positioning block, the positioning block is provided with a positioning surface, and the positioning surface faces to one side where the placement table is located; and the panel can be connected to the bottom plate in a sliding manner relative to the bottom plate, the panel is provided with a discharging hole, the discharging hole corresponds to the positioning block, one side wall of the discharging hole is a pushing part, the pushing part is opposite to the positioning surface, the positioning surface and the pushing part limit the space for accommodating the workpiece to be processed, and the space for accommodating the workpiece to be processed can be increased or decreased by sliding the panel relative to the bottom plate.

Description

Positioning and clamping device

Technical Field

The application belongs to the field of mechanical automation, and in particular relates to a positioning and clamping device.

Background

At present, in nonstandard automation industry, especially 3C (computer, communication and consumer electronics) industry, common positioning tools still need to be manually operated to put workpieces to be processed into the positioning tools, although the production efficiency can be improved and the consistency of products can be improved.

In order to automatically and accurately put the workpiece into the positioning tool, the following problems occur:

(1) For tiny products, the positioning accuracy requirement is higher, and then the accuracy requirement for incoming materials is higher, otherwise, the workpiece to be machined is difficult to put into the positioning tool. In order to put into the location frock, can be through the real-time location of 3D camera and/or mechanical structure's secondary location, lead to corresponding equipment structure complicated, the cost is higher.

(2) For the positioning tool for batch products, the precision requirement of the positioning tool is higher, the problems of skew discharging and clamping of the materials are easier to occur, the frequent clamping alarm of equipment is possibly caused, raw materials are wasted, and the difficulty of equipment debugging and later maintenance is also greatly increased.

Disclosure of Invention

The application aims at providing a positioning and clamping device to solve the problems that the positioning tool is higher in incoming material requirement, higher in cost, likely to clamp materials and the like.

The application proposes a positioning and clamping device, positioning and clamping device includes:

the bottom plate is provided with a positioning block, a placement table for placing a workpiece to be machined is arranged beside the positioning block, the positioning block is provided with a positioning surface, and the positioning surface faces to one side where the placement table is located; and

the panel can be relative the bottom plate slidingly connect in the bottom plate, the panel is provided with the drain hole, the drain hole corresponds to the locating piece, a lateral wall of drain hole is the pushing equipment, the pushing equipment with the locating surface sets up relatively, the locating surface with the pushing equipment has limited the space that holds wait to work the machined part, through the panel for the bottom plate slides, can make the accommodation wait to work the machined part's space increase or reduce.

Preferably, the positioning surface comprises a first positioning surface, and an included angle is formed between the first positioning surface and the relative sliding direction of the bottom plate and the panel.

Preferably, the positioning block is provided with a first positioning surface and a second positioning surface, and the first positioning surface and the second positioning surface form an included angle with the relative sliding direction of the bottom plate and the panel.

Preferably, the included angle is 30 degrees to 60 degrees.

Preferably, the positioning blocks are provided in plurality, and the plurality of positioning blocks are arranged in groups along the extending direction of the first positioning surface or the second positioning surface.

Preferably, the positioning and clamping device further comprises a sliding fit assembly, the sliding fit assembly extends along the width direction of the positioning and clamping device, and the sliding fit assembly is a guide rail sliding block mechanism.

Preferably, the sliding fit assemblies are provided with a plurality of groups, and the plurality of groups of sliding fit assemblies are arranged along the length direction of the positioning and clamping device which is perpendicular to the width direction.

Preferably, the positioning and clamping device further comprises an elastic member connected to the bottom plate and the panel, wherein the elastic member has a tendency to bring the positioning surface of the bottom plate and the pushing portion closer to each other, so that a space for placing the workpiece to be machined is reduced.

Preferably, the elastic member is an extension spring, one end of the extension spring is connected to the bottom plate, and the other end of the extension spring is connected to the panel.

Preferably, the base plate is provided with a plurality of base plate positioning holes through which the mounting positions of the positioning and clamping devices can be positioned.

Through adopting above-mentioned technical scheme, through adjusting the space size that holds the waiting machined part, the easy card material's of blowing problem has been solved, reduces extravagant, reduction in production cost to and the degree of difficulty of debugging and maintenance.

Drawings

Fig. 1 shows a schematic structural view of a positioning and clamping device according to an embodiment of the present application.

Fig. 2 shows an exploded view of a positioning and clamping device according to an embodiment of the present application.

Fig. 3 shows an exploded view of a positioning and clamping device according to an embodiment of the present application.

Fig. 4 shows a schematic structural view of a base plate of a positioning and clamping device according to an embodiment of the present application.

Fig. 5 shows a partial enlarged view of a positioning block of a positioning and clamping device according to an embodiment of the present application.

Description of the reference numerals

1 first positioning surface 112 second positioning surface 12 object placing table 13 bottom plate positioning hole of bottom plate 11 positioning block 111

2 panel 21 discharge opening 211 pushing part

3 sliding fit assembly 31 sliding rail 32 sliding block

4 elastic member

5 bushing

X length direction Y width direction.

Detailed Description

To more clearly illustrate the above objects, features and advantages of the present application, specific embodiments of the present application are described in detail in this section in conjunction with the accompanying drawings. The present application can be embodied in other different forms besides the embodiments described in this section, and those skilled in the art may make corresponding modifications, variations, and substitutions without departing from the spirit of the application, so that the application is not limited to the specific examples disclosed in this section. The protection scope of the present application shall be subject to the claims.

In the following description, if not separately described, the length direction X is the length direction of the specific clamping device, and the width direction Y is the width direction of the specific clamping device.

As shown in fig. 1 to 5, the present application proposes a positioning and clamping device comprising a base plate 1, a face plate 2, a slip fit assembly 3 and an elastic member 4. The bottom plate 1 and the panel 2 are slidably connected to each other by a slip fit assembly 3, and an elastic member 4 is connected to the bottom plate 1 and the panel 2 to elastically connect the bottom plate 1 and the panel 2. The positioning and clamping device can be used for positioning and clamping a workpiece to be machined, and is convenient for other equipment to machine the workpiece to be machined.

(baseboard)

As shown in fig. 1 to 5, the base plate 1 is provided with a positioning block 11, the positioning block 11 protrudes from the upper surface of the base plate 1, and a placing table 12 for placing a workpiece is arranged beside the positioning block 11. The positioning block 11 is more protruded than the object placing table 12, and when the workpiece to be processed is placed on the object placing table 12, the positioning block 11 can block the movement of the workpiece to be processed. As shown in fig. 5, the positioning block 11 has a positioning surface, which may be a side surface of the positioning block 11, and the positioning surface faces a side of the placement table 12. The positioning surfaces comprise a first positioning surface 111 and a second positioning surface 112, and the first positioning surface 111 and the second positioning surface 112 can be two side surfaces of the positioning block 11 with an included angle of 90 degrees.

After the workpiece to be machined is placed on the placement table 12, by applying an external force to the workpiece to be machined, one or both edges of the workpiece to be machined can be abutted against the positioning surface of the positioning block 11, so that the workpiece to be machined is positioned. For example, the positioning block 11 is an L-shaped protrusion, the bottom of the workpiece to be machined may be rectangular, and two adjacent edges of the bottom of the workpiece to be machined may respectively abut against the first positioning surface 111 and the second positioning surface 112 of the positioning block 11.

The first positioning surface 111 and the second positioning surface 112 form an included angle with the extending direction (width direction Y) of the sliding fit assembly 3, for example, the included angle may be 30 degrees to 60 degrees, alternatively, the included angle may be 45 degrees. Thus, an external force is applied to the workpiece to be machined in one direction of the width direction Y, so that the workpiece to be machined can be abutted against the two surfaces of the first positioning surface 111 and the second positioning surface 112 to be positioned.

It is understood that the specific shape of the positioning block 11 is not limited to the above-mentioned "L" shape, and the specific shape of the positioning block 11 is adapted to the contour and the size of the workpiece to be processed, so long as the workpiece to be processed can be attached to the positioning surface.

The positioning blocks 11 may be provided in plurality, and the plurality of positioning blocks 11 may be arranged in a group along a direction in which the first positioning surface 111 or the second positioning surface 112 extends. Therefore, the positioning and clamping device can position a plurality of workpieces to be machined at one time, realize batch discharging, positioning and clamping, and improve the machining efficiency. For example, the positioning blocks 11 may be provided with 3 sets, and each set of positioning blocks 11 is provided with 5. The plurality of positioning blocks 11 can be connected to the bottom plate 1 through the positioning block bases, 5 positioning blocks 11 of each group can be connected to the same positioning block base, and 3 positioning block bases can be arranged. The positioning block 11 and the positioning block base may be integrally formed.

The extending direction of the plurality of positioning blocks 11 of each group forms an included angle with the extending direction of the sliding fit assembly 3, for example, the included angle may be 30 degrees to 60 degrees, alternatively, the included angle may be 45 degrees. The extending direction of the arrangement of the plurality of positioning blocks 11 of each group may be the extending direction of the first positioning surface 111.

As shown in fig. 2, the back surface of the base plate 1 is provided with a plurality of base plate positioning holes 13, the bushing 5 can be inserted into the base plate positioning holes 13, and the positioning and clamping device can be rapidly positioned, installed and replaced by matching the bushing 5 with the base plate positioning holes 13.

(slip fit Assembly)

As shown in fig. 3, the slip fit assembly 3 is connected to the base plate 1 and the face plate 2. The base plate 1 and the face plate 2 may be connected with a plurality of slip fit assemblies 3, for example, two slip fit assemblies 3 may be provided, the two slip fit assemblies 3 being located at both ends in the length direction X of the base plate 1. The two sliding fit assemblies 3 are provided to enable the base plate 1 and the face plate 2 to slide smoothly and smoothly relative to each other.

The slip fit assembly 3 may be a rail-slide mechanism. The sliding fit assembly 3 comprises a sliding rail 31 and a sliding block 32, wherein the sliding rail 31 is fixedly connected to the bottom plate 1, and the sliding rail 31 extends along the width direction Y. The slider 32 is slidably connected to the slide rail 31, and the slider 32 is fixedly connected to the panel 2, so that the bottom plate 1 and the panel 2 are relatively slidably connected in the width direction Y.

(Panel)

As shown in fig. 1 and 3, the panel 2 is provided with a discharge opening 21, and the discharge opening 21 corresponds to the positioning block 11. One side wall of the discharge opening 21 is a pushing portion 211, the pushing portion 211 is opposite to the positioning surface, and the pushing portion 211 may have an uneven structure. The relative movement of the panel 2 and the base plate 1 allows the pushing portion 211 to contact one or more sides of the workpiece to be machined as the pushing portion 211 pushes the workpiece to be machined. The pushing portion 211 can apply an external force to the workpiece to be processed placed on the placement table 12, and the uneven structure can correspond to the corner portion of the workpiece to be processed, so that the external force can be conveniently applied to the workpiece to be processed, and the workpiece to be processed is abutted against the positioning surface.

The same set of a plurality of positioning blocks 11 may correspond to the same discharge opening 21. The number of the discharge ports 21 may be the same as the number of the sets of the positioning blocks 11, for example, 3 discharge ports 21 are provided.

Alternatively, the space for accommodating the workpiece when the panel 2 and the base plate 1 are overlapped is smaller than the space for accommodating the workpiece when the panel 2 and the base plate 1 are staggered.

(elastic member)

The elastic member 4 may be an extension spring, one end of which may be connected to the base plate 1 by a bolt, and the other end of which may be connected to the panel 2 by a bolt. The elastic member 4 can move the base plate 1 and the face plate 2 in the width direction Y, and the positioning surface and the pushing portion 211 are brought close together, so that the elastic member 4 has a tendency to reduce the space for placing the workpiece to be processed.

The stretching spring can be stretched by applying external force to the panel 2, the panel 2 and the bottom plate 1 are staggered by relative movement along the width direction Y, and the pushing part 211 is far away from the positioning surface, so that the space for placing the workpiece to be processed is increased. Therefore, the possibility of material blocking in the discharging process can be reduced, and the rejection rate is reduced. And the precision requirement on the discharging mechanism matched with the positioning and clamping device can be lower, so that the structure of the discharging mechanism is simpler, the calibration requirement is lower, or the calibration step is omitted. External force is removed after discharging, the panel 2 and the bottom plate 1 are overlapped under the action of the elastic piece 4, the pushing part 211 is close to the positioning surface, the space for placing the workpiece to be processed is reduced, the workpiece to be processed is propped against the positioning surface under the pushing of the pushing part 211, and the workpiece to be processed has no movable space, so that accurate positioning and clamping are realized.

The use of the positioning and clamping device is described by taking the bottom contour of the workpiece to be machined as a quadrilateral.

The panel 1 and the bottom plate 1 are staggered by applying external force to the panel 2, the pushing part 211 is far away from the positioning surface, a large space is reserved for placing a workpiece to be processed, quick discharging is facilitated, material clamping is not easy, waste is reduced, and production cost and debugging and maintenance difficulty are reduced. After the discharging is completed, the external force is removed, the pushing part pushes the workpiece to be processed under the action of the elastic piece 4, and the pushing force can be decomposed into a force perpendicular to the first positioning surface 111 and a force perpendicular to the second positioning surface 112. The panel 2 and the bottom plate 1 automatically clamp a workpiece to be machined, the workpiece to be machined is abutted against the first positioning surface 111 and the second positioning surface 112, the workpiece to be machined is positioned and clamped, no movable space exists in the workpiece to be machined, and the positioning accuracy is high.

Although the above embodiments have been described in detail, the following description will be made.

(1) Although the positioning surface includes two planes, i.e., the first positioning surface 111 and the second positioning surface 112 in the above embodiment, the present application is not limited thereto, and the positioning surface may be a plane, an arc surface, multiple surfaces, or one surface.

(2) Although the separate slip-fit assembly 3 is used to slidably connect the bottom plate 1 and the face plate 2 with each other in the above-described embodiment, the present application is not limited thereto, and the bottom plate 1 and the face plate 2 may be provided with structures capable of slidably connecting themselves, such as T-grooves, dovetails, protrusions, sliders, and the like.

While the present application has been described in detail using the above embodiments, it will be apparent to those skilled in the art that the present application is not limited to the embodiments described in the present specification. The present application can be modified and implemented as a modified embodiment without departing from the spirit and scope of the present application as defined by the claims. Accordingly, the descriptions in this specification are for purposes of illustration and are not intended to be limiting in any way.

Claims

1. A positioning and clamping device, characterized in that it comprises:

the base plate (1), the base plate (1) is provided with a positioning block (11), a storage table (12) for placing a workpiece to be processed is arranged beside the positioning block (11), the positioning block (11) is provided with a positioning surface, and the positioning surface faces to one side where the storage table (12) is located; and

the panel (2) can be connected to the bottom plate (1) in a sliding manner relative to the bottom plate (1), the panel (2) is provided with a discharging hole (21), the discharging hole (21) corresponds to the positioning block (11), one side wall of the discharging hole (21) is provided with a pushing part (211), the pushing part (211) is opposite to the positioning surface, the positioning surface and the pushing part (211) limit the space for accommodating the workpiece to be processed, the space for accommodating the workpiece to be processed can be increased or decreased by sliding the panel (2) relative to the bottom plate (1),

the positioning and clamping device further comprises an elastic piece (4), wherein the elastic piece (4) is connected with the bottom plate (1) and the panel (2), the elastic piece (4) has a trend of enabling the positioning surface of the bottom plate (1) and the pushing part (211) to be close to each other so as to reduce the space for placing the workpiece to be machined,

the elastic piece (4) is an extension spring, one end of the extension spring is connected with the bottom plate (1), and the other end of the extension spring is connected with the panel (2).

2. Positioning and clamping device according to claim 1, characterized in that the positioning surface comprises a first positioning surface (111), the first positioning surface (111) forming an angle with the relative sliding direction of the bottom plate (1) and the face plate (2).

3. Positioning and clamping device according to claim 1, characterized in that the positioning block (11) has a first positioning surface (111) and a second positioning surface (112), the first positioning surface (111) and the second positioning surface (112) each forming an angle with the relative sliding direction of the base plate (1) and the face plate (2).

4. A positioning and clamping device according to claim 2 or 3, wherein the included angle is 30 degrees to 60 degrees.

5. A positioning and clamping device according to claim 3, characterized in that the positioning blocks (11) are provided in a plurality, the plurality of positioning blocks (11) being arranged in groups along the direction in which the first positioning surface (111) or the second positioning surface (112) extends.

6. The positioning and clamping device according to claim 1, characterized in that the positioning and clamping device further comprises a slip-fit assembly (3), the slip-fit assembly (3) extending in the width direction (Y) of the positioning and clamping device, the slip-fit assembly (3) being a rail-slider mechanism.

7. Positioning and clamping device according to claim 6, characterized in that the slip-fit assembly (3) is provided with a plurality of groups, the plurality of groups of slip-fit assemblies (3) being arranged along the length direction (X) of the positioning and clamping device perpendicular to the width direction (Y).

8. Positioning and clamping device according to any of claims 1-7, characterized in that the base plate (1) is provided with a plurality of base plate positioning holes (13), by means of which base plate positioning holes (13) the mounting position of the positioning and clamping device can be positioned.