Auxiliary clamping device for medium-length parts

Abstract

The utility model discloses a kind of middle and long part auxiliary clamping devices, including dog, support block and fixed screw, the dog is configured as can be installed on the end face of three-jaw chuck, dog is provided with support block mounting hole, support block is provided with waist-shaped hole, the dog has the first clamping portion towards the workpiece to be processed, the support block has the second clamping portion towards the workpiece to be processed, the support block is installed on the dog by the fixed screw through the waist-shaped hole and is screwed into the support block mounting hole. The utility model can effectively reduce the deformation of parts, suppress the vibration in the processing process, improve the processing accuracy by reasonable design of fixture and support system, and adapt to the processing needs of various specifications of parts.

Description

Technical Field

[0001] This utility model relates to the field of mechanical production and processing technology, and in particular to an auxiliary clamping device for medium and long parts. Background Technology

[0002] The rapid advancements in industrial manufacturing and machining technologies have placed higher demands on the machining of medium- and long parts. Especially in critical sectors such as aerospace, automotive, and shipbuilding, the machining accuracy and efficiency of medium- and long parts directly impact product performance and quality. However, when machining medium- and long parts using traditional lathes, the large length and insufficient rigidity of the parts often lead to vibration, bending, and deformation, resulting in decreased machining accuracy, poor surface quality, and even machining failure. These issues constitute a significant challenge to the precision and efficient machining of medium- and long parts.

[0003] Therefore, those skilled in the art are dedicated to developing an auxiliary clamping device for medium-length parts to improve the clamping stability and accuracy when machining long parts on a lathe. Utility Model Content

[0004] In view of the above-mentioned defects of the prior art, the technical problem to be solved by this utility model is how to effectively overcome the problems of insufficient stability and poor accuracy of the existing clamping technology when processing long parts.

[0005] To achieve the above objectives, this utility model provides an auxiliary clamping device for medium-length parts, including a jaw, a support block, and a fixing screw. The jaw is configured to be mounted on the end face of a three-jaw chuck. The jaw has a support block mounting hole, and the support block has an oblong hole. The jaw has a first engaging portion facing the workpiece to be processed, and the support block has a second engaging portion facing the workpiece to be processed. The support block is mounted on the jaw by the fixing screw passing through the oblong hole and screwing into the support block mounting hole.

[0006] Furthermore, the first engaging portion has a first engaging surface, which is an arc surface that matches the end diameter of the workpiece to be processed.

[0007] Furthermore, the second engaging portion has a second engaging surface, which is an arc surface that matches the diameter of the position where the workpiece extends out of the jaw.

[0008] Furthermore, the number of jaws is three, and the three jaws are symmetrically distributed along the end face of the three-jaw chuck.

[0009] Furthermore, the jaws are configured to be adjustable in radial position along the end face of the three-jaw chuck.

[0010] Furthermore, the number of support blocks is three, with each support block mounted on a corresponding claw.

[0011] Furthermore, each support block is configured to be adjustable in radial position along the end face of the three-jaw chuck.

[0012] Furthermore, the front end face of the claw and the rear end face of the support block are two mating planes.

[0013] Furthermore, the first engaging portion extends rearward along the central axis of the three-jaw chuck and enters the central hole of the three-jaw chuck.

[0014] Furthermore, the second engaging portion extends forward along the central axis of the three-jaw chuck.

[0015] The beneficial effects of this utility model are: by rationally designing the fixture and support system, it can effectively reduce part deformation, suppress vibration during processing, improve processing accuracy, and adapt to the processing needs of parts of various specifications.

[0016] The following will further explain the concept, specific structure and technical effects of this utility model in conjunction with the accompanying drawings, so as to fully understand the purpose, features and effects of this utility model. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the main clamping part of a preferred embodiment of the present invention;

[0018] Figure 2 This is a schematic diagram of the support device according to a preferred embodiment of the present invention;

[0019] Figure 3 This is an assembly diagram of a preferred embodiment of the present invention;

[0020] Figure 4 This is a schematic diagram of the workpiece structure according to a preferred embodiment of the present invention.

[0021] Among them, 10-jaw, 11-support block mounting hole, 12-first engaging part, 20-support block, 21-waist-shaped hole, 22-second engaging part, 30-fixing screw, 40-three-jaw chuck, 50-workpiece to be processed. Detailed Implementation

[0022] The preferred embodiments of this utility model are described below with reference to the accompanying drawings to make the technical content clearer and easier to understand. This utility model can be embodied in many different forms, and the scope of protection of this utility model is not limited to the embodiments mentioned herein.

[0023] In the accompanying drawings, components with the same structure are indicated by the same numerical designation, and components with similar structures or functions are indicated by similar numerical designations. The dimensions and thicknesses of each component shown in the drawings are arbitrary, and this invention does not limit the dimensions and thicknesses of each component. To make the illustrations clearer, the thickness of some components has been appropriately exaggerated in the drawings.

[0024] This utility model relates to an auxiliary clamping device for machining long parts on a lathe, the core components of which include:

[0025] 1. Main clamping part ( Figure 1 As shown): Based on ordinary chuck jaws, a jaw is machined to fit the workpiece ( Figure 4 As shown, a special chuck jaw that precisely matches the inner circle contour enables reliable clamping of the workpiece.

[0026] 2. Support device ( Figure 2 As shown): Adjustable support blocks are installed in the middle or other critical locations of the workpiece to provide additional support force and effectively suppress bending deformation of the workpiece during processing. The position and size of the support blocks can be flexibly adjusted according to different workpiece specifications.

[0027] Its usage method is as follows:

[0028] First, use the main clamping jaws to hold the machined part of the workpiece.

[0029] Then, adjust the position of the support block according to the workpiece specifications to make it fit tightly against the workpiece, and fix the support block to the jaws with screws to achieve auxiliary support for the workpiece.

[0030] When clamping the next product workpiece, the support block must be loosened first, and then the position adjusted and fixed again according to the actual situation.

[0031] In summary, this utility model's auxiliary clamping device for medium-length parts effectively solves the problems of poor stability, low machining accuracy, and low efficiency existing in the prior art through its innovative clamping and support design. This device not only significantly improves machining accuracy and efficiency but also helps reduce production costs, demonstrating broad application prospects. With the continuous advancement of automation and intelligent technologies, the performance and applicability of this device will be further enhanced. Example

[0032] Figure 1 The direction indicated by the middle arrow along the central axis Z of the three-jaw chuck 40 is forward, and the direction opposite to the forward direction is the backward direction.

[0033] like Figure 1-3As shown, this embodiment provides an auxiliary clamping device for medium-length parts, including a jaw 10, a support block 20, and a fixing screw 30. The jaw 10 is configured to be mounted on the end face of a three-jaw chuck 40. The jaw 10 is provided with a support block mounting hole 11, and the support block 20 is provided with a waist-shaped hole 21. The jaw 10 has a first engaging portion 12 facing the workpiece 50 to be processed, and the support block 20 has a second engaging portion 22 facing the workpiece 50 to be processed. The support block 20 is mounted on the jaw 10 by the fixing screw 30 passing through the waist-shaped hole 21 and screwing into the support block mounting hole 11.

[0034] The first engaging part 12 has a first engaging surface, which is an arc surface that matches the end diameter of the workpiece 50 to be processed.

[0035] The second engaging part 22 has a second engaging surface, which is an arc surface that matches the diameter of the position where the workpiece 50 extends out of the jaw 10.

[0036] There are three jaws 10, which are symmetrically distributed along the end face of the three-jaw chuck 40.

[0037] The jaw 10 is configured to be adjustable in radial position along the end face of the three-jaw chuck 40.

[0038] There are three support blocks 20, and each support block 20 is installed on a corresponding claw 10.

[0039] Each support block 20 is configured to be adjustable in radial position along the end face of the three-jaw chuck 40.

[0040] The front face of the claw 10 and the rear face of the support block 20 are two mating planes.

[0041] The first engaging part 12 extends rearward along the central axis Z of the three-jaw chuck 40 and enters the central hole of the three-jaw chuck 40.

[0042] The second engaging part 22 extends forward along the central axis Z of the three-jaw chuck 40.

[0043] Figure 4 The workpiece 50 to be processed in this embodiment is shown.

[0044] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.

Claims

1. An auxiliary clamping device for medium-length parts, characterized in that, The chuck includes a jaw, a support block, and a fixing screw. The jaw is configured to be mounted on the end face of a three-jaw chuck. The jaw has a support block mounting hole, and the support block has an oblong hole. The jaw has a first engaging portion facing the workpiece to be processed, and the support block has a second engaging portion facing the workpiece to be processed. The support block is mounted on the jaw by the fixing screw, which passes through the oblong hole and screws into the support block mounting hole.

2. The mid-length part assist clamping device of claim 1, wherein, The first engaging portion has a first engaging surface, which is an arc surface that matches the end diameter of the workpiece to be processed.

3. The mid-length part assist clamping device of claim 1, wherein, The second engaging part has a second engaging surface, which is an arc surface that matches the diameter of the position where the workpiece extends out of the jaw.

4. The mid-length part assist clamping device of claim 1, wherein, The number of jaws is three, and the three jaws are symmetrically distributed along the end face of the three-jaw chuck.

5. The mid-length part assist clamping device of claim 1, wherein, The jaws are configured to be adjustable in radial position along the end face of the three-jaw chuck.

6. The device for auxiliary clamping of medium-length parts according to claim 4, characterized in that, The number of support blocks is three, and each support block is installed on a corresponding claw.

7. The mid-length part assist clamping device of claim 6, wherein, Each support block is configured to be adjustable in radial position along the end face of the three-jaw chuck.

8. The mid-length part assist clamping device of claim 1, wherein, The front end face of the claw and the rear end face of the support block are two mating planes.

9. The auxiliary clamping device for medium-length parts as described in claim 1, characterized in that, The first engaging portion extends rearward along the central axis of the three-jaw chuck and enters the central hole of the three-jaw chuck.

10. The mid-length part assist clamping device of claim 1, wherein, The second engaging portion extends forward along the central axis of the three-jaw chuck.

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