阅读说明：本技术 可自适应夹持的虎钳 (Self-adaptive clamping vice ) 是由 高天友 于 2020-06-16 设计创作，主要内容包括：本发明涉及虎钳技术领域,尤其是一种可自适应夹持的虎钳,其利用丝杆带动移动钳体向固定钳体靠拢以夹持异形零件时,所有左顶块均会与异形零件的左侧接触,所有右顶块均与异形零件的右侧接触,从而能够自适应的对异形零件形成多点夹持,提高夹持的牢固性,并可根据实际情况进行手动调整异形零件相对虎钳的位置,以便于异形零件后续加工时能够以虎钳进行定位,并在调节后,拧紧左锁定螺钉带动左锁板下移,将所有左顶块向下压紧固定,拧紧右锁定螺钉带动右锁板下移,将所有右顶块向下压紧固定,随后再旋转丝杆带动移动钳体向固定钳体靠拢便可由左顶块和右顶块将异形零件夹紧固定,形成牢固的夹持。(The invention relates to the technical field of vices, in particular to a self-adaptive clamping vice, which utilizes a screw rod to drive a movable vice body to approach towards a fixed vice body so as to clamp a special-shaped part, all left ejector blocks are contacted with the left side of the special-shaped part, all right ejector blocks are contacted with the right side of the special-shaped part, thereby forming multi-point clamping on the special-shaped part in a self-adaptive manner, improving the clamping firmness, manually adjusting the position of the special-shaped part relative to the vice according to the actual condition so as to be convenient for the subsequent processing of the special-shaped part to be positioned by the vice, after adjustment, screwing a left locking screw to drive a left locking plate to move downwards, pressing and fixing all left ejector blocks downwards, screwing a right locking screw to drive a right locking plate to move downwards, pressing and fixing all right ejector blocks downwards, then rotating the screw rod to drive the movable vice body to approach towards the fixed vice body, and clamping the special-shaped part by the left ejector blocks and the right ejector blocks, a firm grip is formed.)

1. The utility model provides a vice that can self-adaptation centre gripping which characterized in that: the clamp comprises a fixed clamp body (1), a movable clamp body (2) and a lead screw (3), wherein a transmission nut (4) is fixed on the fixed clamp body (1), the lead screw (3) is rotatably installed on the movable clamp body (2), the lead screw (3) is axially fixed on the movable clamp body (2), the movable clamp body (2) is arranged on the fixed clamp body (1) in a sliding manner along the axis direction of the lead screw (3), the lead screw (3) is in threaded transmission connection with the transmission nut (4), and the right side surface of the movable clamp body (2) is opposite to the left side surface of the fixed clamp body (1);

the left side surface of the fixed clamp body (1) is provided with a plurality of left sliding holes (101), a left ejector block (5) is arranged in each left sliding hole (101) in a sliding mode along the axis direction of the screw rod (3), the left ejector block (5) is matched with the left sliding holes (101), a left spring (6) is arranged between the left ejector block (5) and the hole bottom of the left sliding hole (101) where the left ejector block is located, the right end of the left ejector block (5) protrudes out of the right side surface of the fixed clamp body (1), a left locking plate (7) is arranged at the right end of the upper surface of the fixed clamp body (1) in a sliding mode along the vertical direction, a left locking screw (8) is arranged on the left locking plate (7), the threaded end of the left locking screw (8) penetrates through the left locking plate (7) and is in threaded connection with the fixed clamp body (1), and the upper surfaces of all the left ejector blocks (5) are in contact with the lower surface of the left locking plate (7;

the left side of the movable clamp body (2) is provided with a plurality of right sliding holes (201), a right ejector block (9) is arranged in the right sliding hole (201) in a sliding mode along the axis direction of the screw rod (3), the right ejector block (9) is matched with the right sliding hole (201), a left spring (6) is arranged between the right ejector block (9) and the bottom of the right sliding hole (201) where the right ejector block is located, the left end of the right ejector block (9) protrudes out of the left side of the movable clamp body (2), a right locking plate (11) is arranged at the left end of the upper surface of the movable clamp body (2) in a sliding mode along the vertical direction, a right locking screw (12) is arranged on the right locking plate (11), the threaded end of the right locking screw (12) penetrates through the right locking plate (11) and is in threaded connection with the movable clamp body (2), and the upper surfaces of all the right ejector blocks (9) are in contact with the lower surface of the right locking plate (11).

2. The adaptively clampable vise of claim 1, wherein: the right end face of the left ejector block (5) and the left end face of the right ejector block (9) are both arc surfaces.

3. The adaptively clampable vise of claim 1, wherein: the improved clamp is characterized in that a base (13) is arranged below the fixed clamp body (1), the fixed clamp body (1) is rotatably installed on the base (13), a positioning screw (14) is connected to the fixed clamp body (1) in a threaded mode, and the end portion of a threaded end of the positioning screw (14) abuts against the base (13).

4. The adaptively clampable vise of claim 3, wherein: the below downwardly extending of the fixed pincers body (1) has pivot (102), run through on base (13) have with pivot (102) assorted shaft hole (1301), pivot (102) pass shaft hole (1301), the bottom threaded connection of pivot (102) has stop nut (15), stop nut (15) are located the below of base (13).

5. The adaptively clampable vise of claim 1, wherein: the right end of the movable clamp body (2) extends downwards to form a side wing (202), a through hole (2021) matched with the screw rod (3) is formed in the side wing (202), the screw rod (3) penetrates through the through hole (2021) in the side wing (202), an annular protrusion (301) extends from the right end of the screw rod (3), a shaft sleeve (16) is sleeved at the right end of the screw rod (3), the shaft sleeve (16) is fixed on the screw rod (3) through a connecting screw (17), the annular protrusion (301) is located on the right side of the side wing (202), the shaft sleeve (16) is located on the left side of the side wing (202), and a handle (18) is arranged on the annular protrusion (301).

6. The adaptively clampable vise of claim 1, wherein: the fixed clamp body (1) is provided with a mounting hole (103) matched with the movable clamp body (2), and the movable clamp body (2) is arranged in the mounting hole (103) in a sliding manner.

Technical Field

The invention relates to the technical field of vices, in particular to a vice capable of being clamped in a self-adaptive mode.

Background

The movable clamp body is in sliding fit with the fixed clamp body, the screw rod is arranged on the movable clamp body, can rotate but cannot axially move and is matched with the transmission nut arranged in the fixed clamp body, and when the handle is shaken to enable the screw rod to rotate, the movable clamp body can be driven to axially move relative to the fixed clamp body, so that the clamping or releasing effect is realized; however, the opposite surfaces of the movable clamp body and the fixed clamp body of the existing vice are parallel to each other, when the special-shaped part is clamped, the movable clamp body and the fixed clamp body are easily in line contact with the special-shaped part, so that the clamping is unstable, and the special-shaped part is difficult to position.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to solve the problems that opposite surfaces of a movable clamp body and a fixed clamp body of a vice in the prior art are parallel to each other, when a special-shaped part is clamped, the movable clamp body and the fixed clamp body are easily in line contact with the special-shaped part, so that clamping is unstable, and the special-shaped part is difficult to position, the vice capable of being clamped in a self-adaptive mode is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a self-adaptive clamping vice comprises a fixed vice body, a movable vice body and a screw rod, wherein a transmission nut is fixed on the fixed vice body, the screw rod is rotatably installed on the movable vice body, the screw rod is axially fixed on the movable vice body, the movable vice body is arranged on the fixed vice body in a sliding mode along the axis direction of the screw rod, the screw rod is in threaded transmission connection with the transmission nut, and the right side face of the movable vice body is opposite to the left side face of the fixed vice body;

the left locking device comprises a fixed clamp body, a screw rod, a left ejector block, a left locking plate, a left locking screw, a right locking screw, a left locking plate, a left locking screw, a right locking screw, a left locking plate, a left locking screw, a right locking screw, a left locking plate, a right locking screw, a left locking screw, a right locking screw, a left locking plate;

the left side of the movable clamp body is provided with a plurality of right sliding holes, a right ejecting block is arranged in the right sliding hole in a sliding mode along the axis direction of the screw rod, the right ejecting block is matched with the right sliding hole, a left spring is arranged between the right ejecting block and the hole bottom of the right sliding hole where the right ejecting block is located, the left end of the right ejecting block protrudes out of the left side of the movable clamp body, a right locking plate is arranged at the left end of the upper surface of the movable clamp body in a sliding mode along the vertical direction, a right locking screw is arranged on the right locking plate, the threaded end of the right locking screw penetrates through the right locking plate and is in threaded connection with the movable clamp body, and the upper surfaces of all the right ejecting blocks are in contact with the lower surface of the right locking plate.

Utilize the lead screw to drive in this scheme and remove the pincers body and draw close when the centre gripping special-shaped part with fixed pincers body, all left kicking blocks all can contact with the left side of special-shaped part, all right kicking blocks all contact with the right side of special-shaped part, thereby can be self-adaptive form the multiple spot centre gripping to special-shaped part, improve the fastness of centre gripping, and can carry out the position of the relative vice of manual adjustment special-shaped part according to actual conditions, so that can fix a position with the vice in the follow-up man-hour of special-shaped part, and after adjusting, it drives left jam plate and moves down to screw up left locking screw, it is fixed to compress tightly all left kicking blocks downwards, it drives right jam plate and moves down to screw up right locking screw, it is fixed to compress tightly all right kicking blocks downwards, it draws close to fixed pincers body again to rotate the lead screw drive afterwards and removes the pincers body and draw close alright with special-shaped part.

Furthermore, the right end face of the left top block and the left end face of the right top block are both arc faces.

Furthermore, a base is arranged below the fixed clamp body, the fixed clamp body is rotatably installed on the base, a positioning screw is connected to the fixed clamp body through a thread, and the end part of the thread end of the positioning screw abuts against the base.

Further, the below downwardly extending of the fixed pincers body has a pivot, run through on the base have with pivot assorted shaft hole, the shaft hole is passed in the pivot, the bottom threaded connection of pivot has stop nut, stop nut is located the below of base.

Furthermore, the right end of the movable clamp body extends downwards to form a side wing, a through hole matched with the screw rod is formed in the side wing, the screw rod penetrates through the through hole in the side wing, an annular protrusion extends from the right end of the screw rod, a shaft sleeve is sleeved at the right end of the screw rod and fixed on the screw rod through a connecting screw, the annular protrusion is located on the right side of the side wing, the shaft sleeve is located on the left side of the side wing, and a handle is arranged on the annular protrusion.

Furthermore, the fixed clamp body is provided with a mounting hole matched with the movable clamp body, and the movable clamp body is arranged in the mounting hole in a sliding manner.

The invention has the beneficial effects that: when the self-adaptive clamping vice of the invention utilizes the screw rod to drive the movable vice body to approach the fixed vice body so as to clamp the special-shaped part, all the left top blocks are contacted with the left side of the special-shaped part, all the right top blocks are contacted with the right side of the special-shaped part, thereby being capable of self-adaptively forming multi-point clamping on the special-shaped part, improving the clamping firmness, manually adjusting the position of the special-shaped part relative to the vice according to the actual situation, so that the special-shaped part can be positioned by the vice in the follow-up processing, and after the regulation, the left locking screw is screwed down to drive the left locking plate to move down, all the left ejector blocks are pressed and fixed downwards, the right locking screw is screwed down to drive the right locking plate to move down, all the right ejector blocks are pressed and fixed downwards, and then the screw rod is rotated to drive the movable clamp body to approach to the fixed clamp body, so that the special-shaped part can be clamped and fixed by the left ejector block and the right ejector block, and firm clamping is formed.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a three-dimensional schematic view of an adaptable clamping vise of the present invention;

FIG. 2 is a cross-sectional schematic view of an adaptable clamping vise of the present invention;

FIG. 3 is a schematic top view of the adaptively clampable vise of the present invention;

FIG. 4 is a schematic top view of the adaptively grippable vise of the present invention gripping a contoured part;

FIG. 5 is a schematic top view of the adaptively grippable vise of the present invention clamping a regular part.

In the figure: 1. the clamp comprises a fixed clamp body, 101, a left sliding hole, 102, a rotating shaft, 103, a mounting hole, 2, a movable clamp body, 201, a right sliding hole, 202, a side wing, 2021, a through hole, 3, a screw rod, 301, an annular bulge, 4, a transmission nut, 5, a left top block, 6, a left spring, 7, a left locking plate, 8, a left locking screw, 9, a right top block, 10, a right spring, 11, a right locking plate, 12, a right locking screw, 13, a base, 1301, a shaft hole, 14, a positioning screw, 15, a limiting nut, 16, a shaft sleeve, 17, a connecting screw, 18, a handle, 19, a special-shaped part, 20 and a regular part.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic diagrams illustrating the basic structure of the present invention only in a schematic manner, and thus show only the constitution related to the present invention, and directions and references (e.g., upper, lower, left, right, etc.) may be used only to help the description of the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.