Fixing clamp for turning multiple parallel holes of shaft workpiece on lathe
By designing a fixture for shaft-type workpieces on a lathe, the problems of low drilling accuracy and low efficiency of shaft-type workpieces were solved, achieving high-precision and high-efficiency batch processing and reducing the scrap rate.
Patent Information
- Application Number
- CN202423232348.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-26
AI Technical Summary
In the existing technology, shaft workpieces have low precision and low efficiency when drilling holes, especially when batch processing, the positional deviation is large, resulting in a high scrap rate.
A fixture for fixing multiple parallel holes on a lathe is designed. By combining the clamping base and the fixture, the fixture can effectively fix and accurately position the shaft workpiece. The fixture includes structures such as clamping screws, auxiliary clamping screws, and locating pins to ensure that the fixture does not shift during the machining process, thereby improving accuracy and efficiency.
It improves the accuracy and efficiency of hole drilling for shaft-type workpieces, reduces the scrap rate caused by positional deviations, and enhances the quality stability of batch-processed products.
Smart Images
Figure CN223557846U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of fixed clamp, specifically a kind of fixed clamp of multiple parallel holes turning processing of shaft workpiece on lathe. BACKGROUND
[0002] In the early stage of shaft workpiece hole machining, simple hand-held workpiece or workpiece is placed on ordinary workbench, and hole machining is carried out by artificial hand holding and simple positioning tool. The precision of this method is very low, because the hand shaking and difficult accurate positioning of people can cause large hole position deviation. For example, in small mechanical processing workshop, if worker uses hand-held electric drill to drill hole to shaft, even experienced worker, the precision of drilling position is difficult to control within ±1mm.
[0003] The processing efficiency of traditional method is also not high. Because there is no effective fixing device, a lot of time is spent on positioning and fixing workpiece each time hole is machined, and re-adjustment is needed due to workpiece movement during hole machining, especially for batch processing shaft workpiece, this method seriously affects production efficiency. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of fixed clamp of multiple parallel holes turning processing of shaft workpiece on lathe, by installing clamp and clamping seat, fixed clamp can effectively fix shaft workpiece, to solve the technical problem proposed in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A kind of fixed clamp of multiple parallel holes turning processing of shaft workpiece on lathe, including
[0007] Clamping seat, the upper end of the clamping seat is provided with clamp;
[0008] The clamping seat includes fixed seat, the upper end of fixed seat is provided with connecting seat, connecting seat is provided with clamping screw, clamping screw is threadedly connected with connecting seat, and the other end of clamping screw is tightly pressed to the bottom of slide, the bottom of slide is also tightly pressed with auxiliary clamping screw, auxiliary clamping screw is also provided on connecting seat, and is threadedly connected with connecting seat.
[0009] As a further technical scheme of the utility model, the connecting seat is also threadedly connected with fixed screw, the fixed screw is threadedly connected with connecting plate and fixed nut, and the fixed nut is located on the inner side of connecting plate.
[0010] As a further technical scheme of the utility model, the upper end of connecting plate is threadedly connected with rotating screw, and the threaded rod of rotating screw is threadedly connected with slide.
[0011] As a further technical scheme of the utility model, the upper end of the sliding base is symmetrically provided with cavities, and two top fixing screw rods are threadedly connected in the cavities.
[0012] As a further technical scheme of the utility model, the upper end of the sliding base is also symmetrically provided with positioning pins, each of the two ends of the positioning pin is provided with a clamping screw rod, the bottom of the clamping screw rod is threadedly connected with the sliding base, and the positioning pin clamps the shaft workpiece in cooperation with the clamping cavity provided on the sliding base.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] The utility model discloses, when using, first fixed seat is fixed to three jaw chuck, and the fixed seat is annularly arranged to facilitate the three jaw chuck to clamp it, then using hexagonal wrench counterclockwise rotation will be loose and tight to the clamping screw rod upwards, after loosening and tightening, the positioning pin can move up and down, then according to the thickness of the hole opening shaft workpiece, the clamping screw rod is adjusted again, until the hole opening shaft workpiece needed can be put into the clamping cavity, then using hexagonal wrench clockwise rotation will be fixed to the clamping screw rod downwards, until clamping, can the hole opening shaft workpiece is carried out, the up and down adjustable positioning pin can adapt to different shaft workpieces, improve the versatility of the fixture, reduce the time of fixture replacement and adjustment, improve the processing efficiency, the utility model discloses, when opening the hole, the shaking of equipment can influence the accuracy of opening the hole, and the clamping screw rod installed on the connecting seat can clamp the bottom of the sliding base, prevent the sliding base from moving, reduce the accuracy, and the auxiliary clamping screw rod installed on the connecting seat can also clamp the bottom of the sliding base, and the clamping screw rod and the auxiliary clamping screw rod are used in cooperation, when the sliding base is fixed, the position of the positioning pin installed on the sliding base is also relatively fixed, in the hole opening process of the shaft workpiece, the axial force and radial force applied by the drilling equipment can not make the fixture displace, improve the machining accuracy, when one end is punched, and the other end needs to be punched, using hexagonal wrench counterclockwise rotation clamping screw rod and auxiliary clamping screw rod can be convenient for operation, the utility model discloses, the threaded rod of the rotating screw rod is threadedly connected with the sliding base, when using hexagonal wrench counterclockwise and clockwise rotation rotating screw rod, the sliding base can slide on the fixed seat, and it is convenient to open the hole to the other end, when measuring eccentric distance, the sliding base can be connected with a dial gauge, and rotating the rotating screw rod is adjusted, and the accuracy can reach ±0.001mm, and adjusting according to the same dial gauge reading can guarantee that the position accuracy of each shaft workpiece in the fixture is consistent, thereby improving the product quality stability of batch processing, and reducing the scrap rate caused by position deviation. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.
[0016] Figure 2 It is the three-dimensional structure schematic diagram of the utility model Figure 1is a top perspective structural schematic view of the utility model.
[0017] Figure 3 is the bottom view of the utility model Figure 1 .
[0018] Figure 4 is the top view of the utility model Figure 1 .
[0019] Figure 5 is the front view of the utility model Figure 1 .
[0020] Figure 6 is the A-A sectional view of the utility model Figure 5 .
[0021] Figure 7 is the left view of the utility model Figure 2 .
[0022] Figure 8 is the B-B sectional view of the utility model 7.
[0023] In the drawing: 1 - clamping seat, 2 - clamp;
[0024] 11 - fixed seat, 12 - connecting seat, 13 - clamping screw, 14 - auxiliary clamping screw, 15 - fixed nut, 16 - fixed screw, 17 - connecting plate, 18 - rotating screw;
[0025] 21 - sliding seat, 22 - cavity, 23 - top fixed screw, 24 - clamping screw, 25 - positioning pin, 26 - clamping cavity. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0027] Please refer to Figures 1-8 , in the embodiments of the utility model, a fixing clamp for turning machining of multiple parallel holes of shaft workpieces on a lathe comprises a clamping seat 1, the upper end of the clamping seat 1 is provided with a clamp 2.
[0028] The clamping seat 1 comprises a fixed seat 11, the upper end of the fixed seat 11 is provided with a connecting seat 12, the connecting seat 12 is provided with a clamping screw 13, the clamping screw 13 is screwed with the connecting seat 12, and the other end of the clamping screw 13 is used for tightly pressing the bottom of a sliding seat 21, the bottom of the sliding seat 21 is also tightly pressed by an auxiliary clamping screw 14, the auxiliary clamping screw 14 is also arranged on the connecting seat 12 and is screwed with the connecting seat 12.
[0029] By adopting the above technical scheme, when the hole is opened, the shaking of the equipment will affect the accuracy of the opening, the clamping screw 13 arranged on the connecting seat 12 can tightly clamp the bottom of the sliding seat 21, so as to prevent the sliding seat 21 from moving and reduce the accuracy, and the auxiliary clamping screw 14 arranged on the connecting seat 12 can also tightly clamp the bottom of the sliding seat 21, the clamping screw 13 and the auxiliary clamping screw 14 are used in cooperation, when the sliding seat 21 is fixed, the position of the positioning pin 25 arranged on the sliding seat 21 is also relatively fixed, in the process of opening the hole of the shaft workpiece, the axial force and the radial force applied by the drilling equipment will not cause the displacement of the clamp, so as to improve the machining accuracy; when the hole at one end is drilled and the hole at the other end needs to be drilled, the clamping screw 13 and the auxiliary clamping screw 14 can be rotated counterclockwise by using a hexagonal wrench, so as to be convenient for operation.
[0030] In the embodiment, the connecting seat 12 is also screwed with a fixing screw 16, the fixing screw 16 is screwed with a connecting plate 17 and a fixing nut 15, and the fixing nut 15 is located on the inner side of the connecting plate 17.
[0031] The upper end of the connecting plate 17 is screwed with a rotating screw 18, and the threaded rod of the rotating screw 18 is screwed with the sliding seat 21.
[0032] By adopting the above technical scheme, the threaded rod of the rotating screw 18 is screwed with the sliding seat 21, when the rotating screw 18 is rotated counterclockwise and clockwise by using a hexagonal wrench, the sliding seat 21 can slide on the fixed seat 11, so as to be convenient for opening the hole at the other end; when the eccentricity is measured, the sliding seat 21 can be connected with a dial gauge, the rotating screw 18 is adjusted, the accuracy can reach ±0.001mm, and the adjustment is carried out according to the same dial gauge reading, so as to ensure that the position accuracy of each shaft workpiece in the clamp 2 is consistent, thereby improving the product quality stability of batch machining and reducing the waste rate caused by the position deviation.
[0033] In the embodiment, the upper end of the sliding seat 21 is symmetrically provided with cavities 22, and two top fixing screws 23 are screwed in the cavities 22.
[0034] The upper end of the sliding seat 21 is also symmetrically provided with positioning pins 25, each of the two ends of the positioning pin 25 is provided with a clamping screw 24, the bottom of the clamping screw 24 is screwed with the sliding seat 21, and the positioning pin 25 cooperates with the clamping cavity 26 arranged on the sliding seat 21 to clamp the shaft workpiece.
[0035] By adopting the technical scheme, in use, the fixing base 11 is first fixed to the three-jaw chuck, the fixing base 11 is arranged in a ring shape to facilitate clamping by the three-jaw chuck, then the clamping screw 24 is loosened upwards by counterclockwise rotation of the hexagonal wrench, the positioning pin 25 can move up and down after loosening, then the clamping screw 24 is adjusted according to the thickness of the hole-opening shaft workpiece as required, until the hole-opening shaft workpiece can be placed into the clamping cavity 26, then the clamping screw 24 is fixed downwards by clockwise rotation of the hexagonal wrench, until clamping, and the hole-opening of the shaft workpiece can be performed, the positioning pin 25 that can be adjusted up and down can adapt to different shaft workpieces, improve the versatility of the clamp, reduce the time for replacement and adjustment of the clamp, and improve the machining efficiency.
[0036] The working principle of the utility model is: in use, the fixing base 11 is first fixed to the three-jaw chuck, the fixing base 11 is arranged in a ring shape to facilitate clamping by the three-jaw chuck, then the clamping screw 24 is loosened upwards by counterclockwise rotation of the hexagonal wrench, the positioning pin 25 can move up and down after loosening, then the clamping screw 24 is adjusted according to the thickness of the hole-opening shaft workpiece as required, until the hole-opening shaft workpiece can be placed into the clamping cavity 26, then the clamping screw 24 is fixed downwards by clockwise rotation of the hexagonal wrench, until clamping, and the hole-opening of the shaft workpiece can be performed, the positioning pin 25 that can be adjusted up and down can adapt to different shaft workpieces, improve the versatility of the clamp, reduce the time for replacement and adjustment of the clamp, and improve the machining efficiency;
[0037] When the hole is opened, the shaking of the equipment can affect the precision of the hole opening, the clamping screw 13 installed on the connecting seat 12 can clamp the bottom of the sliding seat 21, preventing the sliding seat 21 from moving and reducing the precision, and the auxiliary clamping screw 14 installed on the connecting seat 12 can also clamp the bottom of the sliding seat 21, the clamping screw 13 and the auxiliary clamping screw 14 are used in cooperation, when the sliding seat 21 is fixed, the position of the positioning pin 25 installed on the sliding seat 21 is also relatively fixed, in the hole opening process of the shaft workpiece, the axial force and the radial force applied by the drilling equipment cannot cause displacement of the clamp, improving the machining precision; when the hole at one end is drilled and the hole at the other end needs to be drilled, the clamping screw 13 and the auxiliary clamping screw 14 are rotated counterclockwise by the hexagonal wrench, which is convenient to operate;
[0038] The threaded rod of the rotating screw 18 is screwed with the sliding seat 21, when the rotating screw 18 is rotated counterclockwise and clockwise by using a hexagonal wrench, the sliding seat 21 can slide on the fixed seat 11, so as to facilitate the hole drilling of the other end; when the eccentricity is measured, the sliding seat 21 can be connected with a dial gauge, the rotating screw 18 is adjusted, the accuracy can reach ±0.001mm, the adjustment is carried out according to the same dial gauge reading, so that the position accuracy of each shaft workpiece in the clamp 2 is consistent, thereby improving the product quality stability of batch processing, and reducing the scrap rate caused by position deviation.
[0039] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.
[0040] In addition, it should be understood that, although the present application is described in the specification in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and the skilled person should regard the specification as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments that can be understood by the skilled person.
Claims
1. A fixing fixture for machining multiple parallel holes on a lathe, characterized in that: The utility model relates to a clamping device for shaft workpiece, including The upper end of the clamping seat (1) is equipped with a clamp (2); The fixed seat (11) is equipped with a connecting seat (12) on the upper end, the connecting seat (12) is equipped with a clamping screw (13), the clamping screw (13) is in threaded connection with the connecting seat (12), the other end of the clamping screw (13) is in close contact with the bottom of the sliding seat (21), the bottom of the sliding seat (21) is also in close contact with an auxiliary clamping screw (14), the auxiliary clamping screw (14) is also arranged on the connecting seat (12) and is in threaded connection with the connecting seat (12).
2. The fixing clamp for turning multiple parallel holes on a shaft workpiece on a lathe according to claim 1, characterized in that: The connecting seat (12) is also in threaded connection with a fixed screw (16), the fixed screw (16) is in threaded connection with a connecting plate (17) and a fixed nut (15), and the fixed nut (15) is located on the inner side of the connecting plate (17).
3. The fixed clamp for turning a plurality of parallel holes in a shaft workpiece on a lathe according to claim 2, characterized in that: The upper end of the connecting plate (17) is in threaded connection with a rotating screw (18), and the threaded rod of the rotating screw (18) is in threaded connection with the sliding seat (21).
4. The fixed clamp for turning a plurality of parallel holes in a shaft workpiece on a lathe according to claim 3, characterized in that: The upper end of the sliding seat (21) is symmetrically equipped with a cavity (22), and two top fixed screws (23) are in threaded connection in the cavity (22).
5. The fixture according to claim 1, wherein: The upper end of the sliding seat (21) is also symmetrically equipped with a positioning pin (25), the two ends of the positioning pin (25) are each equipped with a clamping screw (24), the bottom of the clamping screw (24) is in threaded connection with the sliding seat (21), and the positioning pin (25) is in clamping connection with the shaft workpiece in cooperation with the clamping cavity (26) arranged on the sliding seat (21).