CN214922478U

CN214922478U - Be applied to two-way clamping device is used in material processing of machine-building

Info

Publication number: CN214922478U
Application number: CN202121362488.4U
Authority: CN
Inventors: 蔡建国; 杨琪
Original assignee: Fuzhou University
Current assignee: Fuzhou University
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-11-30
Anticipated expiration: 2031-06-18

Abstract

The utility model relates to a be applied to two-way clamping device is used in material processing of machine-building, the on-line screen storage device comprises a base, be provided with a pair of can be in step the clamp splice of in opposite directions or the back of the body from motion, still be provided with the liftable supporting bench that is located in the middle of two clamp splices on the base, the base bottom is equipped with the drive arrangement that drive clamp splice motion and supporting bench go up and down. The utility model discloses be applied to two-way clamping device is used in material processing of machine-building novel structure, reasonable in design, convenient to use, the practicality is strong, and is firm reliable to the work piece clamping, avoids the work piece to appear becoming flexible man-hour, effectively improves the machining precision.

Description

Be applied to two-way clamping device is used in material processing of machine-building

Technical Field

The utility model relates to a machining anchor clamps field, especially a be applied to two-way clamping device is used in material processing of machine-building.

Background

The mechanical manufacturing refers to the industrial departments engaged in the production of various power machines, hoisting and transporting machines, agricultural machines, metallurgical mining machines and the like, the mechanical manufacturing industry provides technical equipment for the whole national economy, and the mechanical manufacturing procedures can be divided into casting, forging, stamping, cutting and the like.

When the machine tool is used for machining materials, the materials need to be clamped and fixed by means of the clamping device, so that the materials are fixed on a machining table on the machine tool, and further, the situation that the materials are moved in the process of machining the materials, and the materials are prevented from being machined mistakenly is avoided.

The prior art has the following problems:

1. when the raw materials with different shapes are clamped, clamping blocks with different shapes need to be matched for use, so that the raw materials are clamped;

2. the supporting table arranged on the base can not change along with the change of the position of the clamping block, supports the processed raw materials, and easily influences the processing of small original pieces.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a novel structure, convenient to use's the two-way clamping device is used in machine-building's material processing, and is firm reliable to the work piece clamping, effectively improves the machining precision.

The utility model discloses a following scheme realizes: the utility model provides a be applied to two-way clamping device is used in material processing of machine-building, includes the base, be provided with a pair of clamp splice that can move in step in opposite directions or back of the body from each other on the base, still be provided with the liftable brace table that is located two clamp splices in the middle of on the base, the base bottom is equipped with the drive arrangement that drive clamp splice motion and brace table go up and down.

Furthermore, the driving device comprises a rotating shaft parallel to the movement direction of the clamping blocks, a notch located below the clamping blocks is formed in the base, a forward thread section and a backward thread section which are opposite in rotation direction are arranged on the rotating shaft, connecting blocks penetrating through the notches are connected to the lower sides of the two clamping blocks, and first threaded holes in threaded fit with the upper thread sections of the rotating shaft are formed in the connecting blocks.

Furthermore, a worm section is arranged between the left thread section and the reverse thread section of the rotating shaft, a groove which is positioned below the supporting table and can accommodate the supporting table is formed in the base, a through hole is formed in the middle of the groove, a screw rod which penetrates through the through hole and can slide up and down relative to the through hole is connected to the lower side of the supporting table, a worm wheel which is rotatably matched with the base and is meshed with the worm section on the rotating shaft is arranged at the lower end of the through hole, and a second threaded hole which is in threaded fit with the screw rod is formed in the middle of the worm wheel.

Furthermore, an annular T-shaped groove is formed in the periphery of the lower end of the through hole, a connecting ring in rotary fit with the T-shaped groove is arranged at the upper end of the worm wheel, and the cross section of the connecting ring is T-shaped.

Further, the base upside is installed and is used for the guide rail of clamp splice motion direction, the clamp splice bottom is equipped with the guide slot with guide rail sliding fit, the hand wheel is installed to the one end of pivot.

Furthermore, a pair of third threaded holes penetrating through two side faces of the clamping block are symmetrically formed in the clamping block, clamping bolts penetrate through the third threaded holes, an included angle between the two third threaded holes in the clamping block is 20-40 degrees, and the intersection point of the axial leads of the two third threaded holes is located on one side, facing the middle, of the clamping block.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses be applied to two-way clamping device is used in material processing of machine-building novel structure, reasonable in design, convenient to use, easily operation, the practicality is strong, and is firm reliable to the work piece clamping, avoids the work piece to appear becoming flexible man-hour, effectively improves the machining precision.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to specific embodiments and related drawings.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front view of the structure of FIG. 1 according to the present invention;

FIG. 3 is a schematic structural view of a clamping block in a clamping state;

FIG. 4 is a schematic front view of the structure of FIG. 3 according to the present invention;

FIG. 5 is a schematic structural view of the base of the present invention in a cross-sectional view;

FIG. 6 is an enlarged view of a portion of FIG. 5A;

FIG. 7 is a perspective view of a gear according to the present invention;

FIG. 8 is a schematic perspective view of a clamping block according to the present invention;

the reference numbers in the figures illustrate: 1. a base; 2. a guide rail; 3. a guide groove; 4. a groove; 5. a through hole; 6. a T-shaped slot; 7. a rotating shaft; 8. a positive thread section; 9. a reverse-threaded segment; 10. a worm section; 11. a bearing seat; 12. a worm gear; 13. a second threaded hole; 14. a connecting ring; 15. a support table; 16. a screw; 17. a clamping block; 18. a hand wheel; 19. connecting blocks; 20. a first threaded hole; 21. a third threaded hole; 22. clamping bolt, 23-notch.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

As shown in fig. 1 to 8, a bidirectional clamping device for material processing applied to machine manufacturing comprises a base 1, wherein a pair of clamping blocks 17 capable of moving synchronously in opposite directions or in opposite directions is arranged on the base 1, a lifting support table 15 positioned between the two clamping blocks is further arranged on the base 1, and a driving device for driving the clamping blocks 17 to move and driving the support table to lift is arranged at the bottom of the base 1; the clamping device mainly utilizes the two clamping blocks to clamp the workpiece, and simultaneously can also utilize the supporting table to lift up to support the workpiece, and can lower the workpiece when the supporting table is not needed.

In this embodiment, the driving device includes a rotating shaft 7 parallel to the moving direction of the clamping blocks, a notch 23 located below the clamping blocks is formed in the base 1, a forward thread section 5 and a backward thread section 9 with opposite rotating directions are arranged on the rotating shaft 7, the lower sides of the two clamping blocks 17 are connected with a connecting block 19 penetrating through the notch, and a first threaded hole 20 in threaded fit with the upper thread section of the rotating shaft is formed in the connecting block; the rotating shaft rotates, the two clamping blocks are driven to synchronously move in the opposite direction or in the opposite direction through the regular thread section 5 and the reverse thread section 9 on the rotating shaft, and then clamping and loosening of the workpiece are achieved.

In this embodiment, a worm section 10 is arranged between the left and reverse thread sections of the rotating shaft 7, a groove 4 which is positioned below the supporting table and can accommodate the supporting table is arranged on the base, a through hole 2 is arranged in the middle of the groove 4, a screw rod 16 which passes through the through hole and can slide up and down relative to the through hole is connected to the lower side of the supporting table 15, a worm wheel 12 which is rotatably matched with the base 1 and is engaged with the worm section on the rotating shaft 7 is arranged at the lower end of the through hole 2, and a second threaded hole 13 which is in threaded fit with the screw rod 16 is arranged in the middle of the worm wheel 12; the two clamping blocks and the supporting platform are driven by a rotating shaft, when the rotating shaft rotates, the worm wheel is driven to rotate through the middle worm section, and the worm wheel is in threaded fit with the screw rod to drive the screw rod to lift; the through-hole lateral wall is equipped with vertical sand grip, the screw rod lateral part be equipped with vertical sand grip sliding fit's vertical channel, because the mating reaction of vertical sand grip and vertical channel for the unable rotation of screw rod can only the up-and-down motion.

In the embodiment, an annular T-shaped groove 6 is formed in the periphery of the lower end of the through hole 2, a connecting ring 14 which is rotatably matched with the T-shaped groove is arranged at the upper end of the worm wheel, and the cross section of the connecting ring is in a T shape.

In this embodiment, base 1 upside is installed and is used for the guide rail 2 of clamp splice motion direction, the clamp splice bottom is equipped with the guide slot 3 with guide rail sliding fit, hand wheel 18 is installed to the one end of pivot.

In this embodiment, a pair of third threaded holes 21 penetrating through two side surfaces of the clamping block are symmetrically arranged on the clamping block 17, and a clamping bolt 22 penetrates through the third threaded holes; an included angle between the two third threaded holes in the clamping block is 20-40 degrees, and the intersection point of the axial leads of the two third threaded holes is positioned on one side, facing the middle, of the clamping block; the clamping blocks on the two sides are provided with four clamping bolts which are matched with each other to clamp a workpiece, so that the workpiece in a circular shape or a ring shape can be clamped and fixed, and the stability of the workpiece is ensured.

Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.

The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.

The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.

The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a be applied to two-way clamping device is used in material processing of machine-building which characterized in that: the base is provided with a pair of clamping blocks capable of moving synchronously in opposite directions or in opposite directions, the base is further provided with a lifting support platform positioned between the two clamping blocks, and the bottom of the base is provided with a driving device for driving the clamping blocks to move and driving the support platform to lift.

2. The bidirectional clamping device applied to machine-made material processing according to claim 1, characterized in that: the driving device comprises a rotating shaft parallel to the moving direction of the clamping blocks, a notch located below the clamping blocks is formed in the base, a normal thread section and a reverse thread section which are opposite in rotating direction are arranged on the rotating shaft, connecting blocks penetrating through the notches are connected to the lower sides of the two clamping blocks, and first threaded holes in threaded fit with the thread sections on the rotating shaft are formed in the connecting blocks.

3. The bidirectional clamping device applied to machine-made material processing according to claim 2, characterized in that: the novel support platform is characterized in that a worm section is arranged between the left thread section and the reverse thread section of the rotating shaft, a groove which is located below the support platform and can accommodate the support platform is formed in the base, a through hole is formed in the middle of the groove, a screw rod which penetrates through the through hole and can slide up and down relative to the through hole is connected to the lower side of the support platform, a worm wheel which is matched with the base in a rotating mode and meshed with the worm section in the rotating shaft is arranged at the lower end of the through hole, and a second threaded hole which is matched with the screw rod in a threaded mode is formed in the middle of the worm wheel.

4. The bidirectional clamping device applied to machine-made material processing according to claim 3, characterized in that: the periphery of the lower end of the through hole is provided with an annular T-shaped groove, the upper end of the worm wheel is provided with a connecting ring which is in rotary fit with the T-shaped groove, and the cross section of the connecting ring is in a T shape.

5. The bidirectional clamping device applied to machine-made material processing according to claim 2, characterized in that: the base upside is installed and is used for the guide rail of clamp splice motion direction, the clamp splice bottom is equipped with the guide slot with guide rail sliding fit, the hand wheel is installed to the one end of pivot.

6. The bidirectional clamping device applied to machine-made material processing according to claim 1, characterized in that: a pair of third threaded holes penetrating through two side faces of the clamping block are symmetrically formed in the clamping block, and clamping bolts penetrate through the third threaded holes; an included angle between the two third threaded holes in the clamping block is 20-40 degrees, and the intersection point of the axial leads of the two third threaded holes is positioned on one side, facing the middle, of the clamping block.