CN218503860U

CN218503860U - Work piece adaptation clamping worktable

Info

Publication number: CN218503860U
Application number: CN202222779457.XU
Authority: CN
Inventors: 齐宝明; 文辉
Original assignee: Shaanxi Zhongbei Taitanni Metal Materials Co ltd
Current assignee: Shaanxi Zhongbei Taitanni Metal Materials Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-02-21
Anticipated expiration: 2032-10-21

Abstract

The utility model discloses a work piece adaptation centre gripping workstation, vertical interval has seted up horizontal T type centre gripping groove on it, and still horizontal interval sets up the vertical T type centre gripping groove that link up mutually with horizontal T type centre gripping groove on the centre gripping workstation, and it is provided with the cover and establishes the work piece fastening jig in horizontal T type centre gripping groove and vertical T type centre gripping groove to go back detachable on the centre gripping workstation. Through set up vertical T type centre gripping groove on the centre gripping workstation, outside the slip restriction to the vertical processing direction of work piece through horizontal T type centre gripping groove, increase the slip restriction to the horizontal processing direction of work piece, and then carry out whole the injecing to the slip of the vertical and horizontal processing direction of work piece, also carry out effectual restriction to the processing slip of work piece slant and curvilinear direction simultaneously, improve the steadiness and the machining precision of work piece centre gripping, and the work piece fastening anchor clamps quantity through vertical type centre gripping groove addding has also reduced the packing force of single anchor clamps to the work piece surface, and then solve the crushing problem to the work piece surface.

Description

Work piece adaptation clamping worktable

Technical Field

The utility model relates to a work piece processing centre gripping fastening technical field especially relates to a work piece adaptation centre gripping workstation.

Background

When machining is carried out, a workpiece needs to be fastened and clamped on a workbench of machining equipment (such as various machining machines including lathes, milling machines and the like), the structure of the clamping workbench of the existing machine tool is shown in the attached drawing 1 of the specification, when the machining is carried out on the workpiece, the workpiece is placed on the clamping workbench, a clamp matched with the transverse T-shaped clamping groove is used, the workpiece is lowered and clamped through the transverse T-shaped clamping groove, and then the workpiece can be machined through a machining path preset by a machine tool cutter.

At present, according to the requirement of workpiece processing design, usually, a processing tool has processing external forces in multiple directions on the surface of a workpiece, such as transverse, longitudinal, oblique and bending directions, and the processing external forces in different directions generate driving external forces in corresponding directions on the surface of the workpiece, but a clamping workbench carried by a machine tool at present only compresses and clamps the workpiece through a transverse T-shaped clamping groove, as shown in fig. 1, the clamping workbench can only limit the movement of the workpiece in the longitudinal direction (the direction indicated by an arrow a in the drawing), and cannot effectively limit other directions such as transverse and oblique directions, when processing exists in the other directions, the external forces transmitted by the tool can cause the sliding of the workpiece relative to the clamp and the surface of the clamping workbench (the transverse direction indicated by an arrow b in the drawing and other curved directions including oblique directions), so that the processing precision of the workpiece cannot be ensured during processing, and the problem of crushing damage to the surface of the workpiece can also exist when a large pressing force is adopted for the clamp.

Disclosure of Invention

To the problem that exists, the utility model aims at providing a work piece adaptation clamping worktable, it is through offering vertical T type centre gripping groove on clamping worktable, outside the slip restriction to the vertical direction of processing of work piece through horizontal T type centre gripping groove, increases the slip restriction to the horizontal direction of processing of work piece, and then carries out whole injecing to the vertical and horizontal and other direction of processing's of work piece slip, improves the steadiness and the machining precision of work piece centre gripping.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a work piece adaptation clamping worktable, vertical interval has seted up horizontal T type centre gripping groove on the clamping worktable, its characterized in that: the clamping workbench is provided with longitudinal T-shaped clamping grooves which are communicated with the transverse T-shaped clamping grooves at intervals in the transverse direction, and the clamping workbench is also detachably provided with a workpiece fastening clamp which is sleeved in the transverse T-shaped clamping grooves and the longitudinal T-shaped clamping grooves.

Preferably, the workpiece fastening clamp comprises a T-shaped screw rod which slides and is vertically limited to penetrate through the transverse T-shaped clamping groove and the longitudinal T-shaped clamping groove, a pressing plate is horizontally sleeved at the top of the T-shaped screw rod, and a fastening nut which is in contact with and pressed by the pressing plate is sleeved at the top end of the T-shaped screw rod.

Preferably, a screw supporting sleeve is further placed and supported between the bottom surface of the outer end of the pressing plate and the surface of the clamping workbench, and the screw supporting sleeve comprises a sleeve portion and a screw portion.

Preferably, a jacking screw rod which is in contact with the inner bottom surfaces of the transverse T-shaped clamping groove and the longitudinal T-shaped clamping groove is threaded in the T-shaped screw rod.

The utility model has the advantages that: through set up vertical T type centre gripping groove on the centre gripping workstation, outside the slip restriction to the vertical processing direction of work piece through horizontal T type centre gripping groove, increase the slip restriction to the horizontal processing direction of work piece, and then carry out whole the injecing to the slip of the vertical and horizontal processing direction of work piece, also carry out effectual restriction to the processing slip of work piece slant and curvilinear direction simultaneously, improve the steadiness and the machining precision of work piece centre gripping, and the work piece fastening anchor clamps quantity through vertical type centre gripping groove addding has also reduced the packing force of single anchor clamps to the work piece surface, and then solve the crushing problem to the work piece surface.

And through setting up screw rod support sleeve, can keep the pressure strip in the horizontal compressed state to form the contact condition with the surface of work piece flat subsides, this state has maximum area of contact and packing force, and avoids the crushing problem that causes the work piece surface.

The tight screw rod in top that sets up then further improves T type screw rod and horizontal T type centre gripping groove and vertical T type centre gripping groove contact fastening nature to overcome the slip influence that external force of processing caused to T type screw rod, finally improve location fastening nature and the machining precision to the work piece.

Drawings

FIG. 1 is a top view of a clamping table for clamping a workpiece.

Fig. 2 is a top view structure diagram of the clamping worktable of the utility model.

Fig. 3 is a schematic top view of the clamping worktable of the present invention.

Fig. 4 is a side view structure diagram of the convex 3 of the present invention.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following describes the technical solution of the present invention with reference to the accompanying drawings and embodiments.

Referring to the workpiece adaptive clamping workbench shown in fig. 1 to 4, transverse T-shaped clamping grooves 101 (shown in fig. 1) are formed in the clamping workbench 1 at a longitudinal interval. In order to solve the problem that the sliding energy in other processing directions is limited except for limiting the longitudinal sliding of a workpiece at present, as shown in fig. 2-3, longitudinal T-shaped clamping grooves 102 which are communicated with the transverse T-shaped clamping grooves 101 are formed in the clamping workbench 1 at a transverse interval, and workpiece fastening clamps which are sleeved in the transverse T-shaped clamping grooves 101 and the longitudinal T-shaped clamping grooves 102 are detachably arranged on the clamping workbench 1. The longitudinal T-shaped clamping groove 102 is formed, so that the sliding limitation of the transverse processing direction of the workpiece (shown in the figure 100) can be increased besides the sliding limitation of the transverse T-shaped clamping groove 101 to the longitudinal processing direction of the workpiece, the sliding limitation of the longitudinal processing direction and the transverse processing direction of the workpiece can be further integrally limited, meanwhile, the processing sliding of the workpiece in the oblique direction and the curve direction can be effectively limited, the clamping stability and the processing precision of the workpiece can be improved, the pressing force of a single clamp to the surface of the workpiece can be reduced due to the number of workpiece fastening clamps additionally arranged through the longitudinal T-shaped clamping groove 102, and the problem of pressure damage to the surface of the workpiece can be further solved.

Specifically, as shown in fig. 4, the workpiece fastening clamp includes a T-shaped screw rod 2 which slides and is vertically and limitedly inserted into the transverse T-shaped clamping groove 101 and the longitudinal T-shaped clamping groove 102, a pressure plate 3 is horizontally sleeved on the top of the T-shaped screw rod 2, and a fastening nut 4 which is in contact with and pressed by the pressure plate 3 is sleeved on the top end of the T-shaped screw rod 2. Wherein the transverse T-shaped clamping groove 101 and the longitudinal T-shaped clamping groove 102 limit the upward movement of the T-shaped screw 2 and allow the T-shaped screw 2 to move horizontally to approach the workpiece clamping position. During clamping, one side of the compression plate 3 is pressed and attached to the outer edge of the surface of a workpiece, the fastening nut 4 is screwed, the workpiece is compressed on the clamping workbench 1 through the surface contact of the fastening nut 4 and the compression plate 3 under the limiting effect of the T-shaped screw 2, and after the workpiece is compressed transversely and longitudinally at equal intervals, the workpiece is clamped and fastened highly, so that the sliding deflection caused by the fact that the workpiece is subjected to external forces in different directions is overcome.

In order to make the pressing plate 3 press the surface of the workpiece flatly to ensure an effective pressing contact area, as shown in fig. 4, a screw supporting sleeve 5 including a sleeve portion 51 and a screw portion 52 is further disposed and supported between the bottom surface of the outer end of the pressing plate 3 and the surface of the clamping table 1. The screw part 52 is rotated to move upwards to be at the same height with the surface of the workpiece, the bottom surfaces of the two sides of the pressing plate 3 are horizontally contacted with the surface of the workpiece and the top end of the screw part 52, the pressing plate 3 is pressed tightly through the fastening nut 4, the pressing plate 3 can be kept in a horizontal pressing state to form a contact state which is flatly attached to the surface of the workpiece, the contact state has the largest contact area and pressing force, and the problem of pressure injury to the surface of the workpiece is avoided.

In actual machining, the external machining force of the cutter is transmitted to the T-shaped screw 2 through the pressing plate 3, and then the T-shaped screw 2 slides relative to the transverse T-shaped clamping groove 101 and the longitudinal T-shaped clamping groove 102, and in order to improve the positioning performance of the T-shaped screw 2, as shown in fig. 4, a tightening screw 6 in contact with the inner bottom surfaces of the transverse T-shaped clamping groove 101 and the longitudinal T-shaped clamping groove 102 is further threaded through the T-shaped screw 2. After the pressure plate 3 and the workpiece are pressed tightly through the fastening nut 4, the T-shaped screw 2 is upwards attached to the inner top surfaces of the transverse T-shaped clamping groove 101 and the longitudinal T-shaped clamping groove 102, on the basis, the bottom end of the T-shaped screw is attached to the inner bottom surfaces of the transverse T-shaped clamping groove 101 and the longitudinal T-shaped clamping groove 102 in a clinging mode through rotating the jacking screw 6, and therefore contact tightness of the T-shaped screw 2 and the transverse T-shaped clamping groove 101 and the longitudinal T-shaped clamping groove 102 is improved, sliding influence on the T-shaped screw 2 caused by machining external force is overcome, and finally positioning tightness and machining precision of the workpiece are improved.

The principle of the utility model is that: firstly, a workpiece is placed at a proper position on the clamping workbench 1, and the side edges of the workpiece are kept to be at a distance equivalent to the distance between the corresponding transverse T-shaped clamping groove 101 and the corresponding longitudinal T-shaped clamping groove 102, so that the workpiece fastening clamp can be conveniently arranged on each side of the workpiece.

During clamping, the T-shaped screw 2 is sleeved in the corresponding transverse T-shaped clamping groove 101 and the corresponding longitudinal T-shaped clamping groove 102, the screw supporting sleeve 5 and the T-shaped screw 2 are correspondingly placed on the clamping workbench 1, the screw part 52 is rotated to enable the screw part to move upwards and then to be as high as the surface of a workpiece, the bottom surfaces of two sides of the compression plate 3 are horizontally contacted with the surface of the workpiece and the top end of the screw part 52, the compression plate 3 is compressed on the surface of the workpiece and the top end of the screw part 52 through the fastening nut 4, the T-shaped screw 2 is upwards tensioned to be tightly attached to the inner top surfaces of the transverse T-shaped clamping groove 101 and the longitudinal T-shaped clamping groove 102, on the basis, the screw 6 is rotated to enable the bottom end of the T-shaped screw to be in close contact with the inner bottom surfaces of the transverse T-shaped clamping groove 101 and the longitudinal T-shaped clamping groove 102, and further the contact tightness of the T-shaped screw 2 with the transverse T-shaped clamping groove 101 and the longitudinal T-shaped clamping groove 102 is improved, so that the sliding influence of a machining external force on the T-shaped screw 2 is overcome, and the positioning tightness and the workpiece is finally improved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a work piece adaptation clamping worktable, horizontal T type centre gripping groove (101), its characterized in that have been seted up to longitudinal separation distance on clamping worktable (1): the clamping workbench (1) is provided with longitudinal T-shaped clamping grooves (102) which are communicated with the transverse T-shaped clamping grooves (101) at intervals in the transverse direction, and the clamping workbench (1) is also detachably provided with a workpiece fastening clamp which is sleeved in the transverse T-shaped clamping grooves (101) and the longitudinal T-shaped clamping grooves (102).

2. A workpiece-adapting clamping table according to claim 1, characterised in that: the workpiece fastening clamp comprises a T-shaped screw (2) which slides and is arranged in a vertical limiting penetrating mode in a transverse T-shaped clamping groove (101) and a vertical T-shaped clamping groove (102), a pressing plate (3) is horizontally sleeved at the top of the T-shaped screw (2), and a fastening nut (4) which is in contact with and pressed by the pressing plate (3) is sleeved at the top end of the T-shaped screw (2).

3. A workpiece-adapting clamping table according to claim 2, characterised in that: and a screw support sleeve (5) is also placed and supported between the bottom surface of the outer end of the pressing plate (3) and the surface of the clamping workbench (1), and comprises a sleeve part (51) and a screw part (52).

4. A workpiece-adapting clamping table as defined in claim 3 wherein: and a jacking screw rod (6) in contact with the inner bottom surfaces of the transverse T-shaped clamping groove (101) and the longitudinal T-shaped clamping groove (102) is further arranged in the T-shaped screw rod (2) in a threaded manner.