CN214212955U

CN214212955U - Double-thimble clamp device

Info

Publication number: CN214212955U
Application number: CN202120212575.5U
Authority: CN
Inventors: 李一军
Original assignee: Boluo Changfeng Precision Machinery Co ltd
Current assignee: Boluo Changfeng Precision Machinery Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-09-17
Anticipated expiration: 2031-01-26

Abstract

The utility model provides a two thimble fixture device, this two thimble fixture device includes: the device comprises a bearing seat, a telescopic driving piece, a first elastic chuck, a movable thimble, a fixed seat, a second elastic chuck and a fixed thimble. The flexible driving part is arranged on the bearing seat and is in driving connection with the first elastic chuck, and the first elastic chuck detachably clamps the movable thimble. The second elastic chuck is arranged on the fixed seat and detachably clamps and fixes the thimble. The axial lead of the movable thimble is aligned with the axial lead of the fixed thimble. The telescopic driving piece is used for driving the movable thimble to move close to or far away from the fixed thimble. The double-thimble clamp device improves the convenience of replacing the thimble and ensures the coaxial precision after replacing the thimble.

Description

Double-thimble clamp device

Technical Field

The utility model relates to a processing fixture's technical field especially relates to a two thimble fixture devices.

Background

The processing technology of furniture on the market is more and more complicated (needs multiple processing technologies), the requirement of precision is more and more high, and traditional numerical control equipment is only used as a single machine tool, can only realize milling or turning functions, and is difficult to meet the current furniture processing technology. At present, a machining center machine for fixing a workpiece through two ejector pins is also available in the market, and can realize a combined machining process of turning and milling. In the machining process of the machine type, because the workpiece needs to be turned over for many times or continuously rotated, the coaxiality of the two ejector pins needs to be ensured to be consistent, and the requirement of the machining precision of the workpiece can be met.

However, since the workpieces in furniture factories come in a variety of sizes and are very different, different thimbles need to be replaced to meet the machining requirements. Secondly, the thimble as the wearing part also needs to be replaced regularly. For the processing equipment of the workpiece fixed by the two ejector pins, the dismounting and mounting operations of the ejector pins are very inconvenient, and the coaxial precision is difficult to ensure after the ejector pins are dismounted and mounted.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a dual thimble clamping device for solving the technical problems that the thimble is inconvenient to replace and the coaxial precision after the thimble replacement is difficult to ensure.

A dual spike clamp apparatus, comprising: the device comprises a bearing seat, a telescopic driving piece, a first elastic chuck, a movable thimble, a fixed seat, a second elastic chuck and a fixed thimble. The telescopic driving piece is arranged on the bearing seat and is in driving connection with the first elastic chuck, and the first elastic chuck detachably clamps the movable ejector pin. The second elastic chuck is arranged on the fixed seat and detachably clamps the fixed thimble. The axial lead of the movable thimble is aligned with the axial lead of the fixed thimble. The telescopic driving piece is used for driving the movable thimble to move close to or far away from the fixed thimble.

In one embodiment, the telescopic driving member is a telescopic cylinder.

In one embodiment, the telescopic cylinder is a telescopic cylinder with a stroke adjusting handle.

In one embodiment, the telescopic cylinder is arranged on one side of the bearing seat, and the telescopic cylinder is provided with a driving shaft which penetrates through the bearing seat and is connected with the first elastic chuck. The bearing seat is provided with a notch, and the driving shaft is exposed through the notch.

In one embodiment, the opening of the slot is rectangular.

In one embodiment, the first collet is an ER collet.

In one embodiment, the first elastic chuck is provided with a first chuck nut, and the first chuck nut is used for fastening the connection between the first elastic chuck and the movable thimble.

In one embodiment, the second collet is an ER collet.

In one embodiment, the second elastic chuck is provided with a second chuck nut, and the second chuck nut is used for fastening the connection between the second elastic chuck and the fixed thimble.

In one embodiment, the bottom of the fixed seat is provided with a supporting bottom plate.

According to the double-thimble clamp device, the telescopic driving piece is fixed through the bearing seat, the movable thimble is driven to move by the telescopic driving piece, so that the distance between the movable thimble and the fixed thimble is adjusted, and the double-thimble clamp device is adaptive to workpieces to be processed with various specifications. The two ends of the workpiece are clamped and fixed by the movable thimble and the fixed thimble. Through first collet centre gripping activity thimble to realize detachability, and guaranteed the change convenience to the activity thimble, and guaranteed that the axle center of the activity thimble after changing is unanimous. Similarly, the ejector pin is clamped and fixed through the second elastic chuck, so that detachability is realized, convenience in replacement of the fixed ejector pin is guaranteed, and the axis of the replaced fixed ejector pin is consistent. The double-thimble clamp device improves the convenience of replacing the thimble and ensures the coaxial precision after replacing the thimble.

Drawings

FIG. 1 is a schematic structural view illustrating a usage state of a dual spike holder apparatus according to an embodiment;

FIG. 2 is a schematic diagram illustrating another exemplary embodiment of a dual pin clamping apparatus in use;

FIG. 3 is a partially disassembled view of the dual spike holder apparatus according to one embodiment.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 to 3, the present invention provides a dual thimble clamp device 10, wherein the dual thimble clamp device 10 includes: the loading seat 100, the retractable driving member 200, the first collet 300, the movable pin 400, the fixing seat 500, the second collet 600, and the fixed pin 700. The retractable driving member 200 is disposed on the mounting base 100, the retractable driving member 200 is drivingly connected to the first collet 300, and the first collet 300 detachably clamps the movable thimble 400. The second collet 600 is disposed on the fixing base 500, and the second collet 600 detachably clamps the fixing pin 700. The axis of the movable pin 400 is aligned with the axis of the fixed pin 700. The retractable driving member 200 is used for driving the movable thimble 400 to move closer to or away from the fixed thimble 700.

The dual-thimble clamping device 10 fixes the retractable driving member 200 through the mounting base 100, and drives the movable thimble 400 to move by using the retractable driving member 200, so as to adjust the distance between the movable thimble 400 and the fixed thimble 700, thereby adapting to workpieces to be processed with various specifications. The two ends of the workpiece are clamped and fixed by the movable thimble 400 and the fixed thimble 700. The movable thimble 400 is clamped by the first collet 300, so that detachability is realized, convenience in replacing the movable thimble 400 is guaranteed, and the axes of the replaced movable thimble 400 are consistent. Similarly, the fixed thimble 700 is clamped by the second collet 600, so that detachability is realized, convenience in replacing the fixed thimble 700 is ensured, and the axis of the replaced fixed thimble 700 is consistent. The double-thimble clamp device 10 improves the convenience of replacing the thimble and ensures the coaxial precision after replacing the thimble.

The socket 100 is used to support and mount the telescopic driving member 200. The retractable driving member 200 is used for driving the movable thimble 400 to move so as to adjust the distance between the movable thimble 400 and the fixed thimble 700, thereby adapting to workpieces 20 to be processed with various specifications. In order to facilitate the driving of the movable thimble 400 to move, in one embodiment, the telescopic driving member 200 is a telescopic cylinder. The telescopic cylinder drives the movable thimble 400 to move through the first collet chuck 300, so that the indirect connection between the movable thimble 400 and the fixed thimble 700 is adjusted, and the adaptation degree of the size of the workpiece 20 is enlarged.

Further, in order to avoid excessive stroke driving of the telescopic cylinder, the clamped and fixed workpiece is crushed. In one embodiment, the telescopic cylinder is a telescopic cylinder having a stroke adjustment handle 220. Thus, the stroke adjusting handle 220 is arranged, so that the maximum movable stroke of the telescopic cylinder is limited, and the clamped and fixed workpiece is prevented from being crushed. The telescopic cylinder with the stroke adjusting handle 220 is a mature product in the market, and the structure and the principle of the telescopic cylinder can be referred to the prior art, and are not described in detail herein. Therefore, the safety protection performance of the workpiece 20 is improved, and the integrity of the workpiece is ensured. Further, the mounting seat 100 is provided with a movable thimble damping mechanism to ensure the stability of the movable thimble 400 during the movement process.

In order to facilitate the user to observe and monitor the action process of the retractable driving member 200, in one embodiment, a retractable cylinder is disposed at one side of the mounting seat 100, and the retractable cylinder has a driving shaft 210, and the driving shaft 210 penetrates through the mounting seat 100 and is connected to the first collet 300. The mounting seat 100 is opened with a notch 110, and the driving shaft 210 is exposed through the notch 110. Specifically, the opening of the slot 110 is rectangular. Like this, through notch 110, the user can observe the action process of telescopic cylinder's drive shaft 210 to be convenient for the user and carry out corresponding adjustment operation, also utilize to overhaul the maintenance operation simultaneously. Further, in an embodiment, a stroke scale is disposed on a side of the driving shaft 210 of the telescopic cylinder. Thus, by observing the position of the stroke scale on the driving shaft 210 of the telescopic cylinder, the stroke position of the lower driving shaft 210 can be judged. Thus, the user can conveniently observe and monitor the executing action process of the telescopic driving piece 200, and the monitoring performance of the double-thimble clamp device is improved.

In order to ensure the clamping stability of the first elastic chuck 300 on the movable thimble 400, the replacement convenience, and the coaxial precision of the replaced movable thimble 400, in one embodiment, the first elastic chuck 300 is an ER elastic chuck. In this way, the movable thimble 400 is clamped by the first collet chuck 300, so that detachability is realized, convenience in replacing the movable thimble 400 is ensured, and the axes of the replaced movable thimble 400 are consistent. Further, in order to ensure the clamping stability of the movable thimble 400, in one embodiment, the first collet 300 is provided with a first collet nut 800, and the first collet nut 800 is used for fastening the first collet 300 to the movable thimble 400. Thus, the clamping stability of the movable thimble 400 is ensured, the replacement convenience is ensured, and the coaxial precision after replacement is ensured.

Further, in order to ensure the clamping stability of the second elastic clamp 600 on the fixed thimble 700, the convenience of replacement, and the coaxial precision of the replaced fixed thimble 700, in one embodiment, the second elastic clamp 600 is an ER elastic clamp. In this way, the fixed thimble 700 is clamped by the second collet 600, so that detachability is realized, convenience in replacing the fixed thimble 700 is ensured, and the axes of the replaced fixed thimble 700 are consistent. Further, in order to ensure the clamping firmness of the fixed thimble 700, in one embodiment, the second elastic clamp 600 is provided with a second clamp nut 900, and the second clamp nut 900 is used for fastening the second elastic clamp 600 to the fixed thimble 700. Thus, the clamping stability of the fixed thimble 700 is ensured, the replacement convenience is ensured, and the coaxial precision after replacement is ensured.

The fixing base 500 is used for supporting and stabilizing the second collet 600 and fixing the thimble 700. In order to ensure the stability of the fixing base 500, in one embodiment, a supporting bottom plate 510 is disposed at the bottom of the fixing base 500. The support base plate 510 reinforces the support function of the fixing base 500, thereby ensuring the stability of the fixing base 500.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A dual spike clamp device, comprising: the device comprises a bearing seat, a telescopic driving piece, a first elastic chuck, a movable thimble, a fixed seat, a second elastic chuck and a fixed thimble;

the telescopic driving piece is arranged on the bearing seat and is in driving connection with the first elastic chuck, and the first elastic chuck detachably clamps the movable thimble; the second elastic chuck is arranged on the fixed seat and detachably clamps the fixed thimble;

the axial lead of the movable thimble is aligned with the axial lead of the fixed thimble; the telescopic driving piece is used for driving the movable thimble to move close to or far away from the fixed thimble.

2. The dual needle clamp device of claim 1, wherein said telescopic drive member is a telescopic cylinder.

3. The dual pin clamp device of claim 2 wherein the telescopic cylinder is a telescopic cylinder having a stroke adjustment handle.

4. The dual thimble clamp device according to claim 3, wherein the telescopic cylinder is disposed at one side of the mounting base, the telescopic cylinder having a drive shaft extending through the mounting base and connected to the first collet; the bearing seat is provided with a notch, and the driving shaft is exposed through the notch.

5. The dual spike clamp device of claim 4 wherein the opening of the notch is rectangular.

6. The dual spike clamp device of claim 1 wherein the first collet is an ER collet.

7. The dual spike clamp apparatus of claim 6 wherein the first collet is provided with a first collet nut for tightening the connection of the first collet to the movable spike.

8. The dual spike clamp device of claim 1 wherein the second collet is an ER collet.

9. The dual spike clamp device of claim 8 wherein the second collet is provided with a second collet nut for tightening the connection of the second collet to the fixed spike.

10. The dual spike clamp device of claim 1 wherein a support floor is provided at the bottom of the anchor block.