CN213380410U

CN213380410U - Multi-station clamping device and processing equipment

Info

Publication number: CN213380410U
Application number: CN202022499791.0U
Authority: CN
Inventors: 彭学辉; 罗小平; 杨泽文
Original assignee: Zigong Chuanli Technology Co ltd
Current assignee: Zigong Chuanli Technology Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-06-08
Anticipated expiration: 2030-11-02

Abstract

The utility model provides a multistation clamping device, which comprises a pressing plate, the clamp plate disposes a plurality of clamping components, clamping component runs through the clamp plate and forms the pore of being constituteed by the vertical meeting of first through-hole and second through-hole, first through-hole sets up in second through-hole top, the internal diameter of first through-hole is less than the internal diameter setting of second through-hole, clamping component is equipped with the short bolt, the nut, the elastic component, the head of short bolt sets up down, the short bolt wears to locate in the pore and with pore clearance fit, the short bolt is located to the elastic component cover, the elastic component is arranged in the second through-hole, short bolt one end passes the pore and cooperates with the nut, multistation clamping device cooperation has the bottom plate, the bottom plate is equipped with a plurality of the body of examining, the work piece is in examines between the short bolt of the. The clamping device can realize the clamping of large-batch workpieces through one-time operation, has high clamping efficiency and uniform clamping force, and can regulate and control the clamping force.

Description

Multi-station clamping device and processing equipment

Technical Field

The utility model relates to a machinery processing technology field particularly, relates to a multistation clamping device and processing equipment.

Background

In the machining process, a workpiece needs to be quickly fixed on a tool for production, machining and positioning. One or more clamping modes in the prior art can only clamp one product, and during production of batch products, the workpiece clamping action is various, the product clamping time is long, the manual repeated locking is ineffective, and the clamping force is uneven.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a multistation clamping device, its an operation can realize the clamp of big batch work piece tightly, and the clamping is efficient, and the clamp force is even, and can regulate and control clamping force.

Another object of the present invention is to provide a machining apparatus, which is advantageous for positioning and clamping large batches of workpieces.

The embodiment of the utility model discloses a realize through following technical scheme:

the utility model provides a multistation clamping device, which comprises a pressing plate, the clamp plate disposes a plurality of clamping components, clamping component runs through the clamp plate and forms the pore of being constituteed by the vertical meeting of first through-hole and second through-hole, first through-hole sets up in second through-hole top, the internal diameter of first through-hole is less than the internal diameter setting of second through-hole, clamping component is equipped with the short bolt, nut and elastic component, the head of short bolt sets up down, the short bolt wears to locate in the pore and with pore clearance fit, the short bolt is located to the elastic component cover, the elastic component is arranged in the second through-hole, short bolt one end passes the pore and cooperates with the nut, multistation clamping device cooperation has the bottom plate, the bottom plate is equipped with a plurality of the body of examining, the work piece is in examines between the short bolt of the body and.

Preferably, the head of the short bolt is provided with a soft pad, and the short bolt is connected with the workpiece through the soft pad.

Preferably, the nut of the clamping assembly comprises a first nut and a second nut, the clamping assembly is further provided with a first elastic pad, the first nut, the first elastic pad and the second nut are sequentially sleeved on the short bolt, and the second nut is abutted to the pressing plate.

Preferably, the elastic part comprises a spring, the spring is sleeved on the short bolt, the spring part is arranged in the second through hole, the spring is in a compressed state, one end of the spring abuts against the head of the short bolt, and the other end of the spring abuts against the first through hole and the second through hole, and is positioned on a step surface formed by the pressing plate.

Preferably, the lower end of the long screw is fixed on the bottom plate, the upper end of the long screw is fixed on the pressing plate through a third nut and a fourth nut, the third nut is connected with the upper surface of the pressing plate, and the fourth nut is connected with the lower surface of the pressing plate.

Preferably, the fourth nut is further provided with a second elastic pad and a fifth nut, the second elastic pad and the fifth nut are sleeved on the long screw, and the fourth nut, the second elastic pad and the fifth nut are sequentially connected.

Preferably, the pressing plate is connected with the bottom plate through four long screws, the four long screws are respectively and pairwise fixedly installed at two symmetrical sides of the bottom plate, four rectangular corners of the four long screws are oppositely arranged, and waist-shaped holes matched with the long screws are formed in two opposite sides of the pressing plate.

Preferably, the lower end of the long screw is fixed to the bottom plate by means of bolts or welding.

Preferably, the checking fixture body is provided with a checking fixture pin, and the workpiece is positioned and placed on the checking fixture body through the checking fixture pin.

A processing device comprises the multi-station clamping device.

The utility model discloses technical scheme has following advantage and beneficial effect at least: the clamping device can realize the clamping of large-batch workpieces through one-time operation, has high clamping efficiency and uniform clamping force, and can regulate and control the clamping force.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a multi-station clamping device according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a clamping assembly according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a long screw according to an embodiment of the present invention;

FIG. 4 is a top view of a base plate with a plurality of workpieces according to an embodiment of the present invention;

fig. 5 is a top view of the embodiment of the present invention, which provides a positioning and mounting of the workpiece on the inspection body;

fig. 6 is a cross-sectional view of fig. 5.

Icon: 10-multi-station clamping device, 100-pressing plate, 110-first through hole, 120-second through hole, 200-clamping component, 210-short bolt, 211-soft cushion, 220-nut, 221-first nut, 222-second nut, 223-first elastic cushion, 230-elastic piece, 231-spring, 300-long screw rod, 310-third nut, 320-fourth nut, 330-second elastic cushion, 340-fifth nut, 20-bottom plate, 21-detection body, 21 a-detection pin and 22-workpiece.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as a limitation of the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 6, the embodiment provides a multi-station clamping device 10, which includes a pressing plate 100, the pressing plate 100 is configured with a plurality of clamping assemblies 200, the clamping assemblies 200 penetrate through the pressing plate 100 to form a hole formed by vertically connecting a first through hole 110 and a second through hole 120, the first through hole 110 is disposed above the second through hole 120, the inner diameter of the first through hole 110 is smaller than the inner diameter of the second through hole 120, the clamping assembly 200 is provided with a short bolt 210, a nut 220 and an elastic member 230, the head of the short bolt 210 is disposed downward, the short bolt 210 is disposed in the hole and in clearance fit with the hole, the elastic member 230 is sleeved on the short bolt 210, the elastic member 230 is disposed in the second through hole 120, one end of the short bolt 210 passes through the hole and is in fit with the nut 220, the multi-station clamping device 10 is fitted with a bottom plate 20, the bottom plate 20 is provided with a plurality of detecting bodies 21, a, the pressing plate 100 is adjustably fixed to the base plate 20 by a long screw 300 and puts the elastic member 230 in a compressed state.

As shown in fig. 1 and 4, a large number of clamping portions and related mechanisms may be arranged in an array manner on the pressing plate 100 and the bottom plate 20. When the device is used, the workpiece 22 is firstly positioned and installed on the detection body 21 of the bottom plate 20, as shown in fig. 5 and 6, the detection body 21 can be provided with a detection tool pin 21a, and the workpiece 22 is positioned and placed on the detection body 21 through the detection tool pin 21 a. Positioning and placing of the workpiece 22 on the checking fixture body 21 are realized by arranging more than two checking fixture pins 21 a; then, the pressing plate 100 is mounted on the bottom plate 20 through the long bolts, one end of the short bolt 210 of each clamping assembly 200 correspondingly presses against the workpiece 22, and the workpiece 22 is clamped under the pressing of the short bolts 210 at the two ends and the detection body 21.

As shown in fig. 1 and 2, in the hole formed by the first through hole 110 and the second through hole 120, the screw of the short bolt 210 is installed in the hole with a clearance, and the short bolt 210 can move along the hole without other limitations.

As shown in fig. 1 and 3, the pressing plate 100 is mounted on the base plate 20 by means of long bolts, and it can be understood that when the base plate 20 is horizontally placed, the pressing plate 100 is required to be horizontally distributed after being mounted. Before the installation, the adjustment of each clamping assembly 200 needs to make the position state of the short bolts 210 in each clamping assembly 200 relative to the pressure plate 100 basically consistent, and the height difference of the heads of all the short bolts 210 is not more than 0.1 mm.

Through the relevant regulation and control of the long bolts, the distance between the clamping back pressure plate 100 and the bottom plate 20 can be adjusted, and the regulation and control of the magnitude degree of the clamping force can be realized.

Preferably, the head of the short bolt 210 is provided with a soft pad 211, and the short bolt 210 is connected with the workpiece 22 through the soft pad 211, so that the disadvantage that the short bolt 210 directly contacts the workpiece 22 and can damage the workpiece 22 is improved.

Preferably, referring to fig. 1 and 2, the nut 220 of the clamping assembly 200 includes a first nut 221 and a second nut 222, the clamping assembly 200 further includes a first elastic pad 223, the first nut 221, the first elastic pad 223, and the second nut 222 are sequentially sleeved on the short bolt 210, and the second nut 222 abuts against the pressure plate 100. The adjustment of the spatial position of the short bolt 210 before the pressing plate 100 is mounted on the bottom plate 20 is realized by adjusting the positions of the first nut 221, the first elastic pad 223 and the second nut 222 on the screw of the short bolt 210, and the elastic member 230 with a larger elastic coefficient is preferably selected as the elastic member 230 is in a compressed state between the pressing plate 100 and the bottom plate 20. The adjustment of the spatial position of the short bolt 210 refers to the adjustment of the relative spatial position of the short bolt 210 and the pressure plate 100; in one embodiment, adjustment of the degree of compression of the resilient member 230 may also be understood.

Preferably, referring to fig. 1 and 2, the elastic element 230 includes a spring 231, the spring 231 is sleeved on the short bolt 210, the spring 231 is partially disposed in the second through hole 120, the spring 231 is in a compressed state, one end of the spring 231 abuts against a head of the short bolt 210, and the other end of the spring 231 abuts against the first through hole 110 and the second through hole 120 at a step surface formed by the pressing plate 100.

Preferably, referring to fig. 1 and 3, the lower end of the long screw 300 is fixed to the bottom plate 20, the upper end of the long screw 300 is fixed to the pressure plate 100 through a third nut 310 and a fourth nut 320, the third nut 310 is connected to the upper surface of the pressure plate 100, and the fourth nut 320 is connected to the lower surface of the pressure plate 100. In the process of installing the pressing plate 100 on the bottom plate 20 to clamp the workpiece 22, it is necessary to ensure that the pressing plate 100 is in a horizontal state after installation, and the position of the fourth nut 320 on the long screw 300 is adjusted in advance to be consistent, that is, all the heights of the fourth nuts 320 on 4 long screws 300 are adjusted to be consistent, as shown in fig. 1 and 4, and then the pressing plate 100 is installed on the long screws 300 and the third nuts 310 are screwed.

Preferably, referring to fig. 3, the fourth nut 320 is further provided with a second elastic pad 330 and a fifth nut 340, the second elastic pad 330 and the fifth nut 340 are both sleeved on the long screw 300, and the fourth nut 320, the second elastic pad 330 and the fifth nut 340 are sequentially connected. The stability of the position of the fourth nut 320 on the long screw 300 is enhanced by the fifth nut 340 and the second elastic pad 330.

Preferably, referring to fig. 4, the pressing plate 100 is connected to the bottom plate 20 through four long screws 300, the four long screws 300 are respectively and two-by-two fixedly installed at two symmetrical sides of the bottom plate 20, four corners of the rectangular shape of the four long screws 300 are oppositely arranged, waist-shaped holes matched with the long screws 300 are opened at two opposite sides of the pressing plate 100, which aims to explain that the long screws 300 are located at two opposite side edges of the pressing plate 100 after the pressing plate 100 is installed on the bottom plate 20, and the long screws 300 are far away from the area where the clamping assembly 200 is located. Stable mounting of the pressing plate 100 can be achieved by providing four long screws 300. In further embodiments, a greater number of alternatives, such as three, five, etc., may be used.

Preferably, the lower end of the long screw 300 is fixed to the base plate 20 by means of bolts or welding. Before the pressing plate 100 is fixed on the bottom plate 20, the long screw 300 is fixedly installed on the bottom plate 20, so that the installation of the pressing plate 100 is facilitated.

By the multi-station clamping device 10, the clamping of a large number of workpieces 22 can be realized by one-time operation, and the clamping efficiency is high; the clamping force is uniform and stable, and can be regulated and controlled; the manufacturing cost of the tool is reduced; and independent clamping and locking of each product is cancelled, large-batch clamping and loosening of workpieces are realized, and ineffective labor of manual repeated locking is improved.

The embodiment also provides a processing device, which comprises the multi-station clamping device 10, and is beneficial to positioning and clamping the workpieces 22 in large batches.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A multistation clamping device which characterized in that:

the clamping device comprises a pressing plate, wherein the pressing plate is provided with a plurality of clamping components, the clamping components penetrate through the pressing plate to form a pore canal formed by vertically connecting a first through hole and a second through hole, the first through hole is arranged above the second through hole, and the inner diameter of the first through hole is smaller than that of the second through hole;

the clamping assembly is provided with a short bolt, a nut and an elastic piece, the head of the short bolt is arranged downwards, the short bolt penetrates through the pore passage and is in clearance fit with the pore passage, the elastic piece is sleeved on the short bolt, the elastic piece is arranged in the second through hole, and one end of the short bolt penetrates through the pore passage and is matched with the nut;

the multi-station clamping device is matched with a bottom plate, the bottom plate is provided with a plurality of detection bodies, workpieces are located between the detection bodies and short bolts of the clamping assembly, and the pressing plate is adjustably fixed on the bottom plate through a long screw rod and enables the elastic piece to be in a compression state.

2. The multi-station clamping device according to claim 1, wherein: the head of the short bolt is provided with a cushion, and the short bolt is connected with the workpiece through the cushion.

3. The multi-station clamping device according to claim 1, wherein: the nut of the clamping assembly comprises a first nut and a second nut, the clamping assembly is further provided with a first elastic pad, the first nut, the first elastic pad and the second nut are sequentially sleeved on the short bolt, and the second nut is abutted to the pressing plate.

4. The multi-station clamping device according to claim 1, wherein: the elastic piece comprises a spring, the spring is sleeved on the short bolt, the spring part is arranged in the second through hole, the spring is in a compressed state, one end of the spring abuts against the head of the short bolt, and the other end of the spring abuts against the first through hole and the second through hole, and the first through hole and the second through hole are connected and arranged on a step surface formed by the pressing plate.

5. The multi-station clamping device according to claim 1, wherein: the lower end of the long screw is fixed on the bottom plate, the upper end of the long screw is fixed on the pressing plate through a third nut and a fourth nut, the third nut is connected with the upper surface of the pressing plate, and the fourth nut is connected with the lower surface of the pressing plate.

6. The multi-station clamping device according to claim 5, wherein: the fourth nut is also provided with a second elastic pad and a fifth nut, the second elastic pad and the fifth nut are all sleeved on the long screw, and the fourth nut, the second elastic pad and the fifth nut are sequentially connected.

7. A multi-station clamping device according to claim 5 or 6, wherein: the pressing plate is connected with the bottom plate through the four long screw rods, the four long screw rods are fixedly arranged at two symmetrical sides of the bottom plate in a pairwise mode, the four rectangular corners of the four long screw rods are oppositely arranged, and waist-shaped holes matched with the long screw rods are formed in two opposite sides of the pressing plate.

8. The multi-station clamping device according to claim 7, wherein: the lower end of the long screw is fixed on the bottom plate in a bolt or welding mode.

9. The multi-station clamping device according to claim 1, wherein: the checking fixture body is provided with a checking fixture pin, and the workpiece is positioned and placed in the checking fixture body through the checking fixture pin.

10. A processing apparatus, characterized by: comprising a multi-station clamping device according to any of claims 1 to 9.