CN113478136A

CN113478136A - Engineering machine tool processing presss from both sides tight frock with fire prevention star

Info

Publication number: CN113478136A
Application number: CN202111046262.8A
Authority: CN
Inventors: 周黔
Original assignee: Jiangsu Deli Heavy Industry Co ltd
Current assignee: Jiangsu Deli Heavy Industry Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2021-10-08
Anticipated expiration: 2041-09-08
Also published as: CN113478136B

Abstract

The invention discloses a fire star clamping tool for engineering machinery machining, relates to the technical field of welding clamping tools, and solves the problems that the existing clamping tool needs additional frequent manual operation for opening and closing a spark shielding plate, and is troublesome and inconvenient to operate. A fire star clamping tool for engineering machinery machining comprises a base; the base includes that the vertical brace extension board, stull link board, vertical location axle, the base is whole to touch the ground frame by middle board and the symmetric welding touches the ground frame by middle two projections that touch both sides around the board to touch to ground, and wherein the top symmetric welding that the middle touched the floor has two to erect and props the extension board, and this two erects to prop and has four groups stull link boards from top to bottom interval welding between the extension board, and the symmetric welding has two vertical location axles between interlude and the base of the board of bottommost front side stull. Compared with the traditional manual force application operation, the invention avoids the occupation of both hands, is more labor-saving and convenient to operate, and can indirectly improve the welding processing efficiency.

Description

Engineering machine tool processing presss from both sides tight frock with fire prevention star

Technical Field

The invention relates to the technical field of welding clamping tools, in particular to a fireproof star clamping tool for engineering machining.

Background

In the processing and production process of engineering machinery, beams, rods and other supporting stress parts of the machinery need to be welded, and the clamping and fixing tool can be used.

For example, patent No. cn201910507618.x discloses a welding frock, including the workstation, the welding frock still includes fixing device and clamping device, fixing device reaches clamping device all install in on the workstation, fixing device is used for fixing the position of first copper pipe, clamping device includes a plurality of connecting rods, and is adjacent articulated the setting between the connecting rod, connecting rod one end is fixed on the workstation, its other one end tip is provided with the clamping jaw, the clamping jaw is used for rotation and centre gripping second copper pipe for position between first copper pipe and the second copper pipe can the reciprocal anchorage. Through the clamping device that articulated connecting rod that sets up formed for clamping device can conveniently adjust and make it can stably support the copper pipe of welding in-process in carrying out the use, can avoid its slope that leads to under the action of gravity effectively.

The spark sunshade board that supporting on the current tight frock of clamp is when getting the work piece of taking the processing to accomplish, mostly needs extra frequent manually operation switch spark sunshade board, and the operation is comparatively troublesome hard inconvenient, and the tight positioning mechanism of clamp of work piece in addition mostly adopts the manual operation of exerting oneself, and this can occupy both hands and grab the time of grabbing welding cap and welder and carrying out welding process, draws down welding process efficiency.

Disclosure of Invention

The invention aims to provide a fire star clamping tool for engineering machining, and aims to solve the problems that a spark shielding plate needs to be opened and closed by additional frequent manual operation, and the operation is troublesome and laborious.

In order to achieve the purpose, the invention provides the following technical scheme: a fire star clamping tool for engineering machinery machining comprises a base; the base comprises vertical support plates, cross support connecting plates and vertical positioning shafts, the base is integrally composed of a middle ground contact plate and two convex ground contact frames symmetrically welded to the front side and the rear side of the middle ground contact plate, the two vertical support plates are symmetrically welded to the top end of the middle ground contact plate, four groups of cross support connecting plates are welded between the two vertical support plates at intervals from top to bottom, and the two vertical positioning shafts are symmetrically welded between the middle section of the cross support connecting plate at the bottommost front side and the base; the reset piece comprises a driving strip, the reset piece is integrally composed of a hexagonal sliding rod and the driving strip welded and fixed at the head end of the hexagonal sliding rod, wherein the driving strip is provided with a sliding groove, and shifting shafts on four rotating wheels are correspondingly matched with the sliding grooves on the four driving strips in an inserting manner; two pressing mechanisms are symmetrically and slidably mounted on the two vertical supporting plates, four reset pieces are slidably mounted on the top end sections of the two vertical supporting plates through spring pushing, and a sliding seat is slidably sleeved on the two vertical positioning shafts through spring pushing; the front side end face of the six-edge positioning shaft is provided with a long groove, a row of inclined tooth sheets are arranged in the long groove at equal intervals, the head end of the inserting plate is correspondingly matched with the row of inclined tooth sheets in an inserting manner, and the inserting plate can be inserted into a positioning sliding seat in real time, so that two pressing mechanisms are kept in an internally sliding and pressing using state; four rectangular shielding plates are symmetrically and rotatably arranged on the middle two groups of cross support connecting plates, and two strip-shaped workpieces are butted and inserted between the four groups of cross support connecting plates; the base further comprises a hexagonal positioning shaft, the hexagonal positioning shaft is welded between the base and the cross brace connecting plate at the bottommost front side in a vertical bracing mode, the hexagonal positioning shaft is located between the two vertical positioning shafts, and the two vertical positioning shafts provide convenience for sliding installation of the sliding seat; the shielding plate comprises a driven gear, and the top end section of the shielding plate rotating shaft is sleeved with one driven gear; the rotating wheel is sleeved at the topmost end of the shield plate rotating shaft, a shifting shaft is welded on the circumferential outer ring of the rotating wheel in a supporting mode, and the rotating wheel can rotate positively and negatively to drive the two shield plates to swing to open and close; the pressing mechanism comprises a sliding shaft rod, the whole pressing mechanism is composed of a vertical support main rod and four sliding shaft rods symmetrically welded on the vertical support main rod, and the four sliding shaft rods are correspondingly matched with the vertical support supporting plate in a sliding mode; the four sliding shaft levers are welded with two long push plates in a vertically symmetrical manner; the pressing mechanism comprises pressing plates, four elastic rings are symmetrically welded on the pushing plate, a long strip pressing plate is welded and fixed on the four elastic rings, and the two pressing mechanisms can slide oppositely through the two pressing plates to clamp and position the upper and lower strip-shaped workpieces for welding; the upper half sections of the vertical support main rods of the pressing mechanisms at the left and right positions are symmetrically welded with four L-shaped racks, and the four L-shaped racks are correspondingly meshed and contacted with four driven gears; the sliding seat comprises a connecting rod, the sliding seat is integrally formed by welding a left positioning ring and a right positioning ring and a supporting and connecting plate welded between the two positioning rings together, the supporting and connecting plate is correspondingly in sliding fit with the two vertical positioning shafts and the six-edge positioning shaft, and the two connecting rods are rotatably connected to the left positioning ring and the right positioning ring; the middle support connecting plate of the sliding seat is welded with an L-shaped pedal rod downwards; the sliding seat further comprises a positioning short column, and the top end section of the L-shaped pedal rod is supported and welded with one positioning short column; the positioning short column is sleeved with an inserting plate in a sliding manner through a spring pushing and pushing manner, and the inserting plate is in penetrating sliding fit with the L-shaped pedal rod; the tail ends of the two connecting rods are correspondingly and rotatably connected with the bottom sections of the vertical support main rods of the two pressing mechanisms.

Compared with the prior art, the invention has the beneficial effects that:

1. the two elastic rings can be elastically deformed under pressure to make up the gap between the pressing plate and the workpiece, so that the stability of pressing and fixing the two workpieces is ensured;

2. according to the invention, through the four L-shaped racks, the two pressing mechanisms can be in linkage engagement to drive the four driven gears to rotate to control the four shielding plates to automatically turn and open when the two workpieces are loosened by sliding outwards (refer to fig. 1), and when the two pressing mechanisms are clamped by sliding inwards, and when the four L-shaped racks are separated from the four driven gears by sliding inwards, the springs on the four reset pieces can push and drive the four driving strips to slide outwards to control the four shielding plates to automatically rotate to be placed in a longitudinal shielding use state, so that the trouble of additionally frequently and manually rotating the four shielding plates when the workpieces are taken and replaced is saved, and the use is convenient, labor-saving and rapid;

3. the two connecting rods, the two pressing mechanisms and the sliding seat are connected together to form a double-connecting-rod expanding sliding block mechanism, the two pressing mechanisms can be driven to oppositely slide by the up-and-down sliding seat of the mechanism to tighten or loosen two workpieces, the two pressing mechanisms can be driven to oppositely slide by the foot-operated force through the L-shaped pedal rod to finish clamping and fixing the two workpieces, and compared with the traditional manual force-applying operation, the double-hand clamping mechanism avoids occupation of two hands, is more labor-saving and convenient to operate, and can indirectly improve the welding processing efficiency.

Drawings

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

FIG. 2 is a schematic diagram of the rear three-dimensional structure of the present invention;

FIG. 3 is a schematic view of the structure of the two shutters of the present invention in an open state;

FIG. 4 is a schematic view of a shutter according to the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 3 according to the present invention;

FIG. 6 is an enlarged view of portion B of FIG. 3 according to the present invention;

FIG. 7 is a schematic structural view of a restoring member according to the present invention;

FIG. 8 is a schematic view of a base structure according to the present invention;

FIG. 9 is a schematic view of the hold-down mechanism of the present invention;

FIG. 10 is a schematic view of a sliding seat structure according to the present invention;

in the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a base; 101. a vertical support plate; 102. a cross brace connecting plate; 103. a vertical positioning shaft; 104. a hexagonal positioning shaft; 2. a workpiece; 3. a shutter; 301. a driven gear; 302. a rotating wheel; 4. a hold-down mechanism; 401. a movable shaft lever; 402. pushing the plate; 403. pressing a plate; 404. a rack; 5. a sliding seat; 501. a connecting rod; 502. an L-shaped pedal rod; 503. a positioning short column; 504. inserting plates; 6. a reset member; 601. the strip is driven.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 8, according to a first embodiment of the present invention: a fire star clamping tool for engineering machinery machining comprises a base 1; the base 1 comprises vertical support plates 101, cross support connecting plates 102 and vertical positioning shafts 103, the base 1 integrally comprises a middle floor contact plate and two convex ground contact frames symmetrically welded on the front side and the rear side of the middle floor contact plate, wherein the two vertical support plates 101 are symmetrically welded on the top end of the middle floor contact plate, four groups of cross support connecting plates 102 are welded between the two vertical support plates 101 at intervals from top to bottom, and two vertical positioning shafts 103 are symmetrically welded between the middle section of the cross support connecting plate 102 on the bottommost front side and the base 1; the sliding seat 5 comprises a connecting rod 501, the sliding seat 5 is integrally formed by welding a left positioning ring and a right positioning ring and a supporting and connecting plate welded between the two positioning rings, wherein the supporting and connecting plate is correspondingly in sliding fit with the two vertical positioning shafts 103 and the six-edge positioning shaft 104, and the left positioning ring and the right positioning ring are rotatably connected with the two connecting rods 501; an L-shaped pedal rod 502, wherein the middle support connecting plate of the sliding seat 5 is welded with one L-shaped pedal rod 502 downwards; two pressing mechanisms 4 are symmetrically and slidably arranged on the two vertical supporting plates 101;

the top end sections of the two vertical supporting plates 101 are provided with four reset pieces 6 in a penetrating and sliding manner through spring pushing, and the two vertical positioning shafts 103 are provided with one sliding seat 5 in a sliding manner through spring pushing; the sliding seat 5 further comprises a positioning stud 503, and the top end section of the L-shaped pedal rod 502 is supported and welded with one positioning stud 503; an inserting plate 504, wherein the positioning short column 503 is sleeved with the inserting plate 504 in a sliding manner through a spring pushing manner, and the inserting plate 504 is in a penetrating sliding fit with the L-shaped pedal 502; four rectangular shielding plates 3 are symmetrically and rotatably arranged on the middle two groups of cross support connecting plates 102, and two strip-shaped workpieces 2 are in butt joint and inserted between the four groups of cross support connecting plates 102; a long groove is formed in the front side end face of the hexagonal positioning shaft 104, a row of inclined tooth plates are arranged in the long groove at equal intervals, and the head end of the insertion plate 504 is correspondingly matched with the row of inclined tooth plates in an insertion manner;

the base 1 further comprises a hexagonal positioning shaft 104, the hexagonal positioning shaft 104 is welded between the base 1 and the cross brace connecting plate 102 at the bottommost front side in a vertical bracing mode, and the hexagonal positioning shaft 104 is located between the two vertical positioning shafts 103; the shield 3 comprises a driven gear 301, and the top end section of the rotating shaft of the shield 3 is sleeved with one driven gear 301; the runner 302, the top of 3 pivots of sunshade still overlaps and is equipped with a runner 302, and the circumference outer lane of this runner 302 is gone up the support welding and is had a dial axle, and it can shelter from the mars that produces during welding processing when vertical support state is arranged in the rotation of the sunshade 3 of four places, avoids mars four to penetrate and reduces the scald probability to welder personnel.

Further, the pressing mechanism 4 comprises a sliding shaft rod 401, the whole pressing mechanism 4 is composed of a vertical support main rod and four sliding shaft rods 401 symmetrically welded on the vertical support main rod, wherein the four sliding shaft rods 401 are correspondingly matched with the vertical support plate 101 in a sliding manner; two long push plates 402 are symmetrically welded on the four sliding shaft rods 401 from top to bottom; the pressing mechanism 4 comprises a rack 404, four L-shaped racks 404 are symmetrically welded on the upper half sections of the main rods of the left and right pressing mechanisms 4, the four L-shaped racks 404 are correspondingly engaged with four driven gears 301, the two pressing mechanisms 4 can be linked and engaged to drive the four driven gears 301 to rotate to control the four shielding plates 3 to automatically turn over and open when the two workpieces 2 are slid and released outwards through the four L-shaped racks 404, and when the two pressing mechanisms 4 are slid and clamped inwards to clamp the two workpieces 2, and when the four L-shaped racks 404 are slid and released inwards from the four driven gears 301, springs on the four reset pieces 6 can push and drive the four driving strips 601 to slide outwards to control the four shielding plates 3 to automatically rotate to be placed in a longitudinal shielding use state, so that the trouble of additionally frequently manually rotating the four shielding plates 3 when the workpieces 2 are taken and replaced is eliminated, and the use is convenient, rapid and labor-saving.

Further, the piece 6 that resets includes drive strip 601, and the piece 6 that resets is whole to be constituteed jointly by hexagonal slide bar and welded fastening in the drive strip 601 of hexagonal slide bar head end, wherein has seted up a spout on the drive strip 601, and dials the axle on the runner 302 of four places and correspond and the spout grafting cooperation on the drive strip 601 of four places, through dialling the axle of four places, but the piece 6 that resets of four places internal and external slip orders about runner 302 positive and negative rotation control four places sunshade 3 and opens and shuts.

Referring to fig. 9, the second embodiment of the present invention: the utility model provides an engineering machine tool processing is with tight frock of fire prevention star clamp, still includes hold-down mechanism 4 and includes clamp plate 403, and the symmetrical welding has four elastic ring on the push pedal 402, and welded fastening has a rectangular clamp plate 403 on this four elastic ring, and two elastic ring can be pressed elastic deformation and compensate the space between clamp plate 403 and work piece 2, guarantee that two work pieces 2 compress tightly fixed stability.

Referring to fig. 10, a third embodiment of the present invention: the utility model provides an engineering machine tooling is with tight frock of fire prevention star clamp, still include two connecting rods 501, the tail end correspondence of two connecting rods 501 is in the same place with the bottom section rotation connection of 4 vertical stay mobile poles of two hold-down mechanism, two connecting rods 501, two hold-down mechanism 4 and sliding seat 5 connect jointly and constitute a two connecting rods and expand and prop slider mechanism, slide sliding seat 5 from top to bottom through this mechanism and can order about 4 opposite directions of two hold-down mechanism and slide and implement the elasticity to two work pieces 2, and through L form pedal pole 502, can adopt the foot to exert oneself and order about 4 opposite directions of two hold-down mechanism and slide and accomplish the tight fixed to two work pieces 2 of clamp, compare in traditional manual operation of exerting oneself, the occupation of both hands has been avoided, the operation is laborsaving convenient more, can indirect promotion welding process efficiency.

The working principle is as follows: firstly, two strip plate-shaped workpieces 2 are butted and inserted between four groups of cross brace connecting plates 102 (as shown in fig. 1), and then two pressing mechanisms 4 are driven to slide inwards by stepping on a sliding seat 5 through an L-shaped stepping rod 502 to clamp and fix the two workpieces 2 for welding;

when the two pressing mechanisms 4 slide inwards to clamp two workpieces 2, and the four L-shaped racks 404 slide inwards to separate from the four driven gears 301, the springs on the four reset pieces 6 can push the four driving strips 601 to slide outwards, the four driving strips 601 can slide outwards to drive the four rotating wheels 302 to rotate to control the four shielding plates 3 to rotate and to be placed in a longitudinal shielding use state, and the two pressing mechanisms 4 can be linked and meshed to drive the four driven gears 301 to rotate to control the four shielding plates 3 to turn over and open automatically when the two workpieces 2 slide outwards to release through the four L-shaped racks 404, and the inserting plate 504 can be inserted into the sliding seat 5 in real time to position the two pressing mechanisms 4 in the use state of sliding inwards and pressing.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an engineering machine tool machining presss from both sides tight frock with fire prevention star which characterized in that: the utility model provides an engineering machine tool machining presss from both sides tight frock with fire prevention star, includes: a base (1); the base (1) comprises vertical support plates (101), cross support connecting plates (102) and vertical positioning shafts (103), the base (1) integrally consists of a middle floor contact plate and two convex ground contact frames which are symmetrically welded on the front side and the rear side of the middle floor contact plate, the two vertical support plates (101) are symmetrically welded at the top end of the middle floor contact plate, four groups of cross support connecting plates (102) are welded between the two vertical support plates (101) at intervals from top to bottom, and the two vertical positioning shafts (103) are symmetrically welded between the middle section of the cross support connecting plate (102) on the bottommost front side and the base (1); two pressing mechanisms (4) are symmetrically and slidably mounted on the two vertical supporting plates (101), four reset pieces (6) are slidably mounted on the top end sections of the two vertical supporting plates (101) through spring pushing, and a sliding seat (5) is slidably sleeved on the two vertical positioning shafts (103) through spring pushing; four rectangular shielding plates (3) are symmetrically and rotatably arranged on the middle two groups of cross support connecting plates (102), and two strip-shaped workpieces (2) are in butt joint and inserted between the four groups of cross support connecting plates (102).

2. The engineering machinery processing is with preventing that fire star presss from both sides tight frock of claim 1, characterized in that: the base (1) further comprises a hexagonal positioning shaft (104), the hexagonal positioning shaft (104) is welded between the base (1) and the cross brace connecting plate (102) at the bottommost front side in a vertical bracing mode, and the hexagonal positioning shaft (104) is located between the two vertical positioning shafts (103).

3. The engineering machinery processing is with preventing that fire star presss from both sides tight frock of claim 1, characterized in that: the shutter (3) comprises: the driven gear (301), the top end section of the rotating shaft of the shield plate (3) is sleeved with one driven gear (301); the rotating wheel (302), the topmost of sunshade (3) pivot still overlaps and is equipped with a runner (302), and this runner (302) circumference outer lane support welding has a shifting shaft.

4. The engineering machinery processing is with preventing that fire star presss from both sides tight frock of claim 1, characterized in that: the pressing mechanism (4) includes: the pressing mechanism (4) is integrally composed of a vertical support main rod and four sliding shaft rods (401) symmetrically welded on the vertical support main rod, wherein the four sliding shaft rods (401) are correspondingly matched with the vertical support supporting plate (101) in a sliding mode; the push plate (402) is welded with two long push plates (402) on the four sliding shaft rods (401) in a vertical symmetrical mode.

5. The engineering machinery processing is with preventing that fire star presss from both sides tight frock of claim 4, characterized in that: the pressing mechanism (4) includes: the push plate (402) is symmetrically welded with four elastic rings, and the four elastic rings are fixedly welded with a long strip press plate (403); and the left and right pressing mechanisms (4) are symmetrically welded with four L-shaped racks (404) on the upper half section of the main vertical support rod, and the four L-shaped racks (404) are correspondingly meshed and contacted with four driven gears (301).

6. The engineering machinery processing is with preventing that fire star presss from both sides tight frock of claim 1, characterized in that: the sliding seat (5) comprises: the sliding seat (5) is integrally formed by welding a left positioning ring and a right positioning ring and a supporting and connecting plate welded between the two positioning rings together, wherein the supporting and connecting plate is correspondingly in sliding fit with the two vertical positioning shafts (103) and the six-edge positioning shaft (104), and the left positioning ring and the right positioning ring are rotatably connected with the two connecting rods (501); the L-shaped pedal rod (502) is welded on the middle support connecting plate of the sliding seat (5) downwards.

7. The engineering machinery processing is with preventing that fire star presss from both sides tight frock of claim 6, characterized in that: the sliding seat (5) further comprises: the top end section of the L-shaped pedal rod (502) is supported and welded with a positioning short column (503); an inserting plate (504) is sleeved on the positioning short column (503) in a sliding manner through a spring, and the inserting plate (504) is in penetrating sliding fit with the L-shaped pedal rod (502).

8. The engineering machinery processing is with preventing that fire star presss from both sides tight frock of claim 6, characterized in that: the tail ends of the two connecting rods (501) are correspondingly and rotatably connected with the bottom sections of the vertical support main rods of the two pressing mechanisms (4).

9. The engineering machinery processing is with preventing that fire star presss from both sides tight frock of claim 2, characterized in that: the front side end face of the six-edge positioning shaft (104) is provided with a long groove, a row of inclined tooth sheets are arranged in the long groove at equal intervals, and the head end of the inserting plate (504) is correspondingly matched with the row of inclined tooth sheets in an inserting manner.

10. The engineering machinery processing is with preventing that fire star presss from both sides tight frock of claim 1, characterized in that: reset piece (6) including drive strip (601), reset piece (6) wholly constitute by hexagonal slide bar and welded fastening in drive strip (601) of hexagonal slide bar head end jointly, wherein seted up a spout on drive strip (601), and dial the axle correspondence on four places runner (302) and the spout grafting cooperation on four places drive strip (601).