CN211136321U

CN211136321U - Clamping and positioning tool

Info

Publication number: CN211136321U
Application number: CN201921589588.3U
Authority: CN
Inventors: 洪峰; 侯朝林
Original assignee: Suzhou Aoguan Intelligent Equipment Co ltd
Current assignee: Suzhou Aoguan Intelligent Equipment Co ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-07-31
Anticipated expiration: 2029-09-24

Abstract

The utility model relates to a clamping and positioning tool, which comprises a tool base, wherein an inner clamping seat and an outer clamping seat are vertically arranged on the tool base, positioning fixtures are respectively arranged on the inner clamping seat and the outer clamping seat, and two sides of the inner clamping seat are respectively provided with the relative outer clamping seats; the inner clamping seat is provided with a guide supporting seat for supporting a workpiece and a plurality of groups of inner pivoting pressing blocks which are arranged oppositely; and the external clamping seat is provided with a plurality of external pivoting pressing blocks. The utility model discloses a clamping and positioning tool which can respectively clamp and position the supporting plate ribs which are arranged in a crossed way inside a workpiece; meanwhile, the device also has the function of guiding and positioning when the workpiece is placed.

Description

Clamping and positioning tool

Technical Field

The utility model relates to a machining technical field, in particular to mechanical fixture, concretely relates to press from both sides tight location frock.

Background

In the prior art, the clamping and positioning of the outer part of a workpiece are realized through various clamp combined positioning for the clamp, but when the wind power stator structure is assembled and positioned, a supporting plate rib which is arranged in a crossed mode of the wind power stator by the clamp structure is lacked, and multipoint and regional combined clamping is carried out. And a structure for supporting and limiting the wind power stator assembly placed on the clamp in advance is omitted.

For example, the patent names: the automatic mechanical clamp convenient to disassemble (patent number: CN201820704103. X) comprises a mechanical clamp main body and a connecting shaft, wherein a sliding block and a clamp body are arranged on the outer surface of the upper end of the mechanical clamp main body, the clamp body is positioned on one side of the sliding block, an adjusting hole is formed in the outer surface of the clamp body, a working notch is formed between the inner side of the sliding block and the inner side of the clamp body, a lead screw is movably mounted on the outer surface of the other side, penetrating through the sliding block, of the lead screw, an operation box is arranged on one side, far away from the outer surface of the sliding block, of the outer surface of the lead screw, and a handle is fixedly mounted on the outer surface of one side, penetrating. Although the mechanical fixture disclosed in the above-mentioned prior patent uses the screw rod to rotate and drive the fixture to perform the clamping operation, the supporting plate ribs which are arranged crosswise in the workpiece cannot be clamped, and particularly the supporting plate ribs which are arranged in an arc shape cannot be clamped, so that the mechanical fixture cannot be applied to the field of clamping and positioning of the wind power stator.

In order to be suitable for clamping and positioning the supporting plate ribs which are arranged in the wind power stator in a crossed manner respectively, a clamping and positioning tool which can clamp and position the supporting plate ribs which are arranged in the workpiece in a crossed manner respectively needs to be developed; meanwhile, the device also has the function of guiding and positioning when the workpiece is placed.

Disclosure of Invention

The utility model overcomes the defects of the prior art and provides a clamping and positioning tool which can respectively clamp and position the supporting plate ribs which are arranged in the workpiece in a crossed way; meanwhile, the device also has the function of guiding and positioning when the workpiece is placed.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a clamping and positioning tool comprises a tool base, wherein an inner clamping seat and an outer clamping seat are vertically arranged on the tool base, positioning clamps are arranged on the inner clamping seat and the outer clamping seat respectively, and two opposite outer clamping seats are arranged on two sides of the inner clamping seat respectively; the inner clamping seat is provided with a guide supporting seat for supporting a workpiece and a plurality of groups of inner pivoting pressing blocks which are arranged oppositely; an ejector rod which is opposite to the external pivoting pressing block is embedded on the internal clamping seat; a plurality of external pivoting pressing blocks are arranged on the external clamping seat; and a single-action jacking oil cylinder which is right opposite to the external pivoting pressing block is embedded on the external clamping seat.

In a preferred embodiment of the present invention, the single-acting jacking cylinder can perform a reciprocating clamping action with respect to the outer pivoting press block.

In a preferred embodiment of the present invention, the top rod can perform a reciprocating clamping action relative to the inner clamping seat.

In a preferred embodiment of the present invention, the outer holder is further provided with a vertical tightening device.

The utility model discloses a preferred embodiment, vertical tight device in top is including installing the support on outside grip slipper, be provided with the through-hole on the support, be provided with the movable rod in the one end of through-hole, after the screw member worn to establish the other end of through-hole with the movable rod is connected, just the screw member with be provided with the elastic component between the movable rod.

In a preferred embodiment of the present invention, the outer pivoting press block includes a pushing pillar for lifting relative to the upper portion of the outer clamping seat, the pushing pillar is pivotally connected with a press plate, the middle portion of the press plate is pivotally supported by the pivoting rod, and the other end of the press plate realizes a downward pressing action; or the inner pivoting pressing block comprises a pushing column which carries out lifting motion relative to the upper part of the inner clamping seat, a pressing plate is connected to the pushing column in a pivoting mode, the middle of the pressing plate is supported with the pivoting rod in a pivoting mode, and the other end of the pressing plate realizes downward pressing motion.

In a preferred embodiment of the present invention, the guiding support base is provided with a limiting groove, and the inner side of the upper portion of the limiting groove is provided with a chamfer.

The utility model has the advantages that:

a clamping and positioning tool can respectively clamp and position supporting plate ribs which are arranged in a crossed manner inside a workpiece; meanwhile, the device also has the function of guiding and positioning when the workpiece is placed.

And guiding and pre-positioning supporting are carried out through the guide supporting seat. Positioning and clamping the internal structure of the workpiece through the internal pivoting pressing block of the internal clamping seat and the ejector rod; the outer pivoting pressing blocks on the outer clamping seats on the two sides of the inner clamping seat are matched with the single-action jacking oil cylinder inwards to clamp and position the workpiece supporting ribs close to the outer side of the workpiece.

Drawings

The present invention will be further explained with reference to the drawings and examples;

fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

fig. 2 is a schematic top view of the preferred embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of A-A in FIG. 2;

FIG. 4 is a schematic diagram of a side view structure according to a preferred embodiment of the present invention;

FIG. 5 is a schematic diagram of a side view structure according to a preferred embodiment of the present invention;

FIG. 6 is an enlarged schematic view of the pivoting press block according to the preferred embodiment of the present invention;

fig. 7 is an enlarged schematic structural view of a longitudinal tightening device in a preferred embodiment of the present invention;

FIG. 8 is a schematic structural view of the workpiece being clamped according to the preferred embodiment of the present invention;

FIG. 9 is a schematic top view of a workpiece held in a preferred embodiment of the present invention;

in the figure: 1-tool base, 11-external clamping base, 12-internal clamping base, 13-oil cylinder switch, 21-external positioning mechanism, 211-single-action jacking oil cylinder, 212-external pivoting pressing block, 22-internal positioning mechanism, 221-guide supporting base, 222-internal pivoting pressing block, 223-ejector rod, 41-pressing plate, 42-pivoting rod, 43-ejection column, 5-longitudinal jacking device, 50-through hole, 51-movable rod, 52-screw piece, 53-elastic piece and 6-workpiece.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention.

As shown in fig. 1 to 9, a clamping and positioning tool includes a tool base 1, an inner clamping seat 12 and an outer clamping seat 11 which are parallel to each other are vertically disposed on the tool base 1, and a pair of outer clamping seats 11 are disposed on two sides of the inner clamping seat 12 at intervals respectively.

In a preferred embodiment of the present invention, the middle of the inner holder 12 is provided with a guiding support seat 221 for supporting the workpiece, and a plurality of pairs of inner pivoting pressing blocks 222 respectively located at both sides of the guiding support seat 221, and the clamping openings of the inner pivoting pressing blocks 222 arranged oppositely face inwards. A mandril 223 opposite to the inner pivoting pressing block 222 is embedded on the inner clamping seat 12; and the ram 223 is capable of reciprocating clamping action relative to the inner pivoting mass 222. Specifically, the inner pivoting pressing block 222 includes an ejector column 43 performing a lifting motion relative to the upper portion of the inner clamping seat 12, a pressing plate 41 is pivotally connected to the ejector column 43, the middle portion of the pressing plate 41 is pivotally supported by the pivoting rod 42, and the other end of the pressing plate 41 performs a downward pressing motion.

In a preferred embodiment of the present invention, the middle of the outer holder 11 is provided with a pair of oppositely disposed vertical urging means 5 in a straight line with the guiding support seat 221 of the adjacent inner holder 12, and a plurality of clamping directions located at both sides of the vertical urging means 5 are inward, i.e. the clamping directions are inward toward the outer pivoting pressing block 212 of the inner holder 12.

Specifically, the outer pivoting press block 212 includes an ejector column 43 performing a lifting motion relative to the upper portion of the outer clamping seat 11, a press plate 41 is pivotally connected to the ejector column 43, the middle portion of the press plate 41 is pivotally supported by the pivoting rod 42, and the other end of the press plate 41 performs a downward pressing motion.

Further, the pressing plates 41 of the outer pivoting pressing blocks 212 on the outer clamping seats 11 on both sides of the inner clamping seat 12 clamp the inner clamping seat 12 in the opening and closing directions, that is, the outer pivoting pressing blocks 212 on the outer clamping seats 11 on both sides of the inner clamping seat 12 form a clamping group relatively.

Furthermore, a single-action jacking oil cylinder 211 opposite to the external pivoting press block 212 is embedded in the external clamping seat 11; the single-action jacking oil cylinder 211 can do reciprocating jacking action relative to the external pivoting press block 212.

Further, the longitudinal jacking device 5 comprises a bracket arranged on the external clamping seat 11, a through hole 50 is formed in the bracket, a movable rod 51 penetrates through one end of the through hole 50, one section of the movable rod 51 is locked in the through hole 50, and the other end of the movable rod 51 penetrates through the through hole 50; the other end of the through hole is provided with a screw 52, and an elastic member 53 is provided between the screw 52 and the movable rod 51.

The utility model discloses the theory of operation is:

as shown in figures 1-9, the utility model is suitable for a tight location of clamp of wind-powered electricity generation stator. The workpiece 6 is a wind power stator, a plurality of support ribs of the inverted T-shaped steel structure strips are arranged inside the workpiece 6, and a pair of arc-shaped plate ribs arranged on the periphery of the T-shaped steel structure strips at intervals are arranged outside the support ribs of the inverted T-shaped steel structure strips.

Correspond the inside inverted T steel structure strip of work piece 6 the utility model discloses the direction supporting seat 221 on the inside holder 12 in the tight location frock of clamp will fall T steel structure strip and put into direction supporting seat 221, the ejector pin 223 at inside holder 12 both ends supports falling T steel structure strip, then through two pairs of inside pivot briquetting 222 that lie in the direction supporting seat 221 left and right side on inside holder 12, promote clamp plate 41 through ejection post 43 and push down two bases that support and grasp falling T steel structure strip around middle part pivot connection's pivot pole 42.

At this time, the arc-shaped plate ribs of the workpiece 6, which are positioned at the intersection of the inverted T-shaped steel structural bars, are embedded in a pair of oppositely arranged longitudinal tightening devices 5 on the outer clamping base 11, and are clamped by the movable rods 51 in the oppositely arranged longitudinal tightening devices 5. The outer clamping bases 11 on the two sides are pressed inwards through the outer pivoting pressing blocks 222, and the single-action jacking oil cylinders 211 corresponding to the outer pivoting pressing blocks 222 interact with each other to clamp other T-shaped steel structural bars on the workpiece 6.

In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a press from both sides tight location frock, includes fixture base (1), be provided with inside grip slipper (12) and outside grip slipper (11) on fixture base (1) perpendicularly, all be provided with positioning fixture on inside grip slipper (12) and outside grip slipper (11), its characterized in that:

two sides of the inner clamping seat (12) are respectively provided with an opposite outer clamping seat (11);

the inner clamping seat (12) is provided with a guide supporting seat (221) for supporting a workpiece (6) and a plurality of groups of inner pivoting pressing blocks (222) which are arranged oppositely; a push rod (223) which is right opposite to the inner pivoting pressing block (222) is embedded in the inner clamping seat (12);

a plurality of external pivoting pressing blocks (212) are arranged on the external clamping seat (11); and a single-action jacking oil cylinder (211) which is right opposite to the external pivoting pressing block (212) is embedded in the external clamping seat (11).

2. The clamping and positioning tool according to claim 1, characterized in that: the single-action jacking oil cylinder (211) can perform reciprocating clamping action relative to the external pivoting pressing block (212).

3. The clamping and positioning tool according to claim 1, characterized in that: the ejector rod (223) can perform reciprocating clamping action relative to the internal clamping seat (12).

4. The clamping and positioning tool according to claim 1, characterized in that: and the outer clamping seat (11) is also provided with a longitudinal jacking device (5).

5. The clamping and positioning tool according to claim 4, wherein: vertical tight device (5) in top is including installing the support on outside grip slipper (11), be provided with through-hole (50) on the support, be provided with movable rod (51) in the one end of through-hole (50), screw spare (52) wear to establish behind the other end of through-hole (50) with movable rod (51) are connected, just screw spare (52) with be provided with elastic component (53) between movable rod (51).

6. The clamping and positioning tool according to claim 1, characterized in that: the outer pivoting pressing block (212) comprises an ejector column (43) which carries out lifting motion relative to the upper part of the outer clamping seat (11), the ejector column (43) is connected with a pressing plate (41) in a pivoting mode, the middle part of the pressing plate (41) is supported with a pivoting rod (42) in a pivoting mode, and the other end of the pressing plate (41) realizes downward pressing motion;

or the inner pivoting pressing block (222) comprises an ejector column (43) which carries out lifting motion relative to the upper part of the inner clamping seat (12), the ejector column (43) is connected with a pressing plate (41) in a pivoting mode, the middle part of the pressing plate (41) is supported with a pivoting rod (42) in a pivoting mode, and the other end of the pressing plate (41) realizes downward pressing motion.

7. The clamping and positioning tool according to claim 1, characterized in that: the guide supporting seat (221) is provided with a limiting groove, and the inner side of the upper part of the limiting groove is provided with a chamfer.