CN207447694U - Jack presses the clamp structure of hand welding - Google Patents

Abstract

A kind of jack presses the clamp structure of hand welding, belongs to tooling and fixture technical field.Including bottom plate；Sliding guide mechanism is located at the left end of bottom plate；Push plate actuating mechanism is located on bottom plate and is connected with sliding guide mechanism；A pair presses hand body holding structure, one of them is pressed hand body holding structure and is arranged on bottom plate in the position of the front side corresponding to sliding guide mechanism and is engaged with sliding guide mechanism, another, which is pressed hand body holding structure and is arranged in the position of the rear side corresponding to sliding guide mechanism on bottom plate and equally with sliding guide mechanism, is engaged.It is pressed hand body holding structure by a pair while hand body will be pressed up for the two of welding and reliably seized on both sides by the arms, the upper opening for a pair of of the oil pump column connection wing for pressing hand body is made to obtain good closure effect；Facilitate making and assembling；Promote ensemble degree, save the time that clamps for pressing hand body, improve welding efficiency.

Description

Jack presses the clamp structure of hand welding

Technical field

The utility model belongs to tooling and fixture technical field, and in particular to a kind of jack presses the fixture knot of hand welding Structure clamps for will press hand up for the jack of welding and its closure part is made to tend to be closed before welding.

Background technology

The jack up for welding that Fig. 4 is shown in prior art presses the structure chart of hand, is included in short transverse One side forms the lift body 5 for having a pair of of oil pump column connection wing 51, this is pressed hand body 5 and presses hand lever jack 52 with one, one The middle part of the wing 51 is connected to oil pump column and the column articulated hole 511 of an oil pump is respectively offered in the position corresponded, and in a pair Oil pump column connects the lower part of the wing 51 and a support base connecting hole 512 is equally respectively offered in the position corresponded, a pair of of oil Space between the middle part of the pump plunger shaft connection wing 51 is configured to oil pump column and probes into chamber 513.

According to professional general knowledge, structure shown in Fig. 4 is needed before jack is matched in regard to the upper of a pair of of oil pump column connection wing 51 Portion implements welding, makes the upper opening 514 of a pair of of oil pump column connection wing 51 tend to be closed.During practical set, hydraulic jack The oil pump column of oil pump probes into oil pump column and probes into chamber 513, and by the column articulated axis pin of oil pump corresponding to the column articulated hole 511 of oil pump Oil pump column is connected the wing 51 with a pair of of oil pump column and is hinged by position（It is opposite with the column articulated hole 511 of oil pump that position is offered on oil pump column The oil pump post holes answered）；The support base being formed on jack base is inserted into a pair of in the position corresponding to support base connecting hole 512 In the position corresponding to support base connecting hole 512 and foregoing branch between the oil pump column connection wing 51 and by support seat hinge axis pin Support seat is hinged（Hole is offered on support base）.Applicant it should be noted that：It is foregoing to press hand body under actual use state 5 be horizontally-arranged, i.e., deflects 90 ° to the left with location status shown in Fig. 4.And then it according to professional general knowledge, is inserted into when upper and lower samsara operates In press in hand lever jack 52 when pressing hand lever, drive oil pump column by pressing hand body 5, make oil pump pump oil（Belong to known technology）.

The jack of above-mentioned structure as shown in Figure 4 press hand can also by Chinese patent CN3081843D especially by right The reading of CN106735672A is further understood.

Foregoing CN106735672A（Jack presses hand automatic soldering device）In addition to three coordinate displacement mechanism of welding gun is disclosed It is also disclosed and is useful for up for the clamp structure for pressing hand body and clamping or discharging of welding, which presses including jack Hand scoops out mechanism, jack presses hand lateral positioning mechanism and jack presses hand end face detent mechanism, for details, reference can be made to the patent The 0023rd to 0028 section of specification.

By the reading to CN106735672A, although the patent formula can meet to pressing hand sheet up for welding Body（Patent claims " pressing hand "）Clamp requirement, but there are following shortcoming：First, due to pressing hand lateral register machine by jack The lateral register acting cylinder of the lateral register acting cylinder of the structural system of structure probes into jack and presses the structure that hand scoops out mechanism Jack between the forward and backward positioning seat of system presses hand accommodating chamber and presses a pair for pressing hand body in hand accommodating chamber to being located at jack The oil pump column connection wing applies jacking force, forces the upper opening of a pair of of oil pump column connection wing and tends to close up in opposite directions, by welding gun upper Portion's opening implements automatic welding, thus lateral register acting cylinder shows as a little connecing to the pushing form of the oil pump column connection wing Touch pushes, and the closure effect at the upper opening position of a pair of of oil pump column connection wing is difficult to the expection for meeting industry, so as to weldering Connect and have a negative impact, such as not only caused weld seam big, but waste solder and weld interval it is long；Second, due to except using side Outside positioning action cylinder, also need to press hand end face detent mechanism using jack, thus it is complicated, it is unfavorable to manufacture and assembly； Third, since jack presses hand lateral positioning mechanism and jack presses hand end face detent mechanism and is only capable of pressing one piece hand body reality Apply positioning, thus it is poor to gather degree, it is low to clamp efficiency, and clamps that efficiency is low also to influence welding efficiency.

Unquestionably, frock clamp is for being carried out during the manufacture of certain product and/or subsequent handling to workpiece It positions and uses the special equipment for reaching certain technological requirement, and also usually require to meet existing without interference in work pieces process As the requirements such as, easy to operate and structure is terse.Also, since frock clamp is exclusive with being processed for certain workpiece or product The characteristics of, therefore generalization degree is extremely low, often by workpiece（Or product）Production firm in a manner of cutting the garment according to the figure voluntarily It designs and manufactures.Be based on the factor, be showed no in presently disclosed patent and non-patent literature it is all be able to make up it is foregoing The referential technical inspiration of shortcoming existing for CN106735672A.For this purpose, the applicant has made positive and beneficial design, and And in the case where taking secrecy provision tests prove that being practicable, technical solution described below is in this back of the body It is generated under scape.

The content of the invention

The task of the utility model, which is to provide one kind to help to significantly improve, presses hand body holding structure to pressing hand body The upper opening seized effect on both sides by the arms and a pair of of the oil pump column connection wing can be made obtain good closure effect and use and reduce top The weld seam of opening is conducive to significantly simplify structure and use and facilitate making and assemble and simplify operation, be beneficial to promote set Change degree and use meet once two are pressed hand body clamp require and have convenient for improve welding efficiency jack press hand The clamp structure of welding.

What the task of the utility model was performed by, a kind of jack presses the clamp structure of hand welding, including one Bottom plate；One sliding guide mechanism, the sliding guide mechanism are arranged on the left end of the bottom plate；One push plate actuating mechanism, the push plate Actuating mechanism is arranged on the bottom plate and is connected with sliding guide mechanism；A pair presses hand body holding structure, this is to pressing hand One of them in body holding structure presses hand body holding structure in the position of the front side corresponding to the sliding guide mechanism It is arranged on the bottom plate and is engaged with sliding guide mechanism, and another that a pair is pressed in hand body holding structure presses hand Body holding structure is arranged in the position of the rear side corresponding to sliding guide mechanism on bottom plate and equally and sliding guide Structure is engaged.

In a specific embodiment of the utility model, the sliding guide mechanism, which includes a pair of push plates slip, leads Item and a push plate, a pair of push plates sliding guide are fixed on the bottom plate towards a left side for upper one side with front and rear parallel state each other End, push plate are slidably matched with a pair of push plates sliding guide, and one first roller locking slot and one second rolling are offered in the push plate Locking slot is taken turns, the spacing between the first roller locking slot and the second roller locking slot is gradually reduced and is in eight words from left to right Shape, the push plate actuating mechanism are connected with push plate, described a pair press in hand body holding structure one of them press hand sheet Body holding structure corresponds to the front side of the push plate and is engaged with the first roller locking slot, and a pair presses hand body Another in holding structure is pressed hand body holding structure corresponding to the rear side of push plate and is engaged with the second roller locking slot.

In another specific embodiment of the utility model, the push plate actuating mechanism includes push plate actuating and makees With cylinder column connecting seat and a push plate brake function cylinder, push plate brake function cylinder column connecting seat and the push plate left end are towards upper one Side is fixed, and push plate brake function cylinder is fixed in the position of the left end corresponding to push plate on the bottom plate, the push plate brake function The push plate brake function cylinder column of cylinder is connected towards push plate and with push plate brake function cylinder column connecting seat.

In another specific embodiment of the utility model, the push plate brake function cylinder is cylinder or oil cylinder.

In another specific embodiment of the utility model, described a pair, which presses hand body holding structure, respectively includes one Outer board holder, board holder, a /V adjusting screw connect wing compressing sliding block, outer board holder and the bottom plate with an oil pump column in one Left end fix, interior board holder is being fixed corresponding to the position between the push plate and outer board holder with bottom plate, interior is seized on both sides by the arms at this The top of seat offers a sliding block sliding groove, and the space between inside and outside board holder, which is configured to jack, presses hand and longitudinally receive chamber, limits Position adjusting screw, which is arranged on the top of outer board holder in the position corresponding to sliding block sliding groove and probes into jack, presses hand longitudinal direction In accommodating chamber, oil pump column connection wing compressing sliding block is slidably matched with sliding block sliding groove, oil pump column connection wing compressing sliding block direction One end of outer board holder, which probes into or exit the jack, presses hand and longitudinally receives chamber, and oil pump column connection wing compressing sliding block direction One end of the push plate pivots and is provided with an idler wheel, wherein：A pair press in hand body holding structure correspond to the push plate before One of side presses the idler wheel and first idler wheel on the oil pump column connection wing compressing sliding block of hand body holding structure Locking slot is engaged, and on the oil pump column connection wing compressing sliding block for pressing hand body holding structure corresponding to one on rear side of push plate Idler wheel is engaged with the second roller locking slot.

In specific embodiment there are one the utility model, on the bottom plate and corresponding to described thousand The position that the bottom of chamber portion that hand longitudinally receives chamber is pressed on jin top is fixed with a jack and presses at hand portion's filler strip.

In the utility model more and in a specific embodiment, the jack presses at hand portion's filler strip and is parallel to institute It states jack and presses hand and longitudinally receive the long side direction of chamber and be fixed on the bottom plate and the jack presses the horizontal stroke of at hand portion's filler strip Cross sectional shape semicircular in shape.

The utility model so that in a specific embodiment, the outer board holder is consolidated by an external board holder The left end for determining screw and the bottom plate is fixed, and the interior board holder passes through board holder fixing screws in one pair and the bottom plate It is fixed.

In the utility model again more and in a specific embodiment, in the interior board holder towards the one of the push plate Side and a push plate limited block, the push plate limited block and push plate are fixed in the position of the top of the edge corresponding to push plate Edge top patch touch.

In the utility model again and then in a specific embodiment, on the outer board holder and corresponding to institute The position for stating sliding block sliding groove offers a /V adjusting screw hole, and the /V adjusting screw is screwed adjusts spiral shell in the /V In nail hole and the lock nut by being arranged in /V adjusting screw locks.

One of technique effect of technical solution provided by the utility model, since a pair presses hand book holding structure with sliding Guiding mechanism is engaged, thus drives a pair by push plate guiding mechanism when push plate actuating mechanism drives the action of push plate guiding mechanism Hand body holding structure is pressed, hand body holding structure is pressed by a pair while hand body will be pressed up for the two of welding and reliably held under the arm It holds, and the upper opening for a pair of of the oil pump column connection wing for pressing hand body can be made to obtain good closure effect and use and reduce top The weld seam of opening；Two, seized on both sides by the arms simultaneously due to only pressing hand body to two by the realization of push plate actuating mechanism, thus shown It writes and simplifies structure and use and making is facilitated to be operated with assembling and simplifying；Three, due to can be set on bottom plate in a manner of duplication A plurality of the utility model are put, thus are beneficial to promote ensemble degree, the time that clamps for pressing hand body is saved, improves welding effect Rate.

Description of the drawings

Fig. 1 is the example structure figure of the utility model.

Fig. 2 is the application examples schematic diagram of the utility model.

Fig. 3 is that the schematic diagram that wing upper opening implements welding is connected to a pair of of the oil cylinder column for pressing hand body as shown in Figure 4.

Fig. 4 presses the structure chart of hand for the jack up for welding in prior art.

Specific embodiment

In order to which the technical essence of the utility model and advantageous effect is more clearly understood, applicant is below with reality The mode for applying example elaborates, but to the description of embodiment is not the limitation to the utility model, any foundation The made only formal but not substantive equivalent transformation of the utility model design is regarded as the utility model Technical solution scope.

The concept of every directionality for being related to upper, lower, left, right, front and rear or directionality is all in the following description For the location of the figure described state, thus it cannot be understood as to technology provided by the utility model Scheme is particularly limited to.

Fig. 1 is referred to, shows the bottom plate 1 of a rectangular shape, unquestionably, which supports in a state of use It is arranged on the terrace in welding place for implementing welding to pressing hand body 5, such as by bottom plate 1 on a stent, bottom is taken by stent Plate 1 is supported on the terrace in welding place, and for another example the one side in bottom plate 1 under configures bearing plate leg, by bearing plate leg Bottom plate 1 is made to be arranged on the terrace in welding place；Show a sliding guide mechanism 2, which is arranged on foregoing The left end of bottom plate 1；Show a push plate actuating mechanism 3, the push plate actuating mechanism 3 be arranged in bottom plate 1 and with slip Guiding mechanism 2 connects；A pair presses hand body holding structure 4, this to press one of them in hand body holding structure 4 press hand body Holding structure is arranged in the position of the front side corresponding to foregoing sliding guide mechanism 2 in bottom plate 1 and and slide-and-guide Mechanism 2 is engaged, and another that a pair is pressed in hand body holding structure 4 presses hand body holding structure corresponding to slide-and-guide The position of the rear side of mechanism 2 is arranged on bottom plate 1 and equally with sliding guide mechanism 2 and is engaged.

Continue to see Fig. 1, foregoing sliding guide mechanism 2 includes 21 and one push plate 22 of a pair of push plates sliding guide, and a pair pushes away Plate sliding guide 21 is fixed on bottom plate 1 towards the left end of upper one side with front and rear parallel state each other, and push plate 22 is shelved It is slidably matched on a pair of push plates sliding guide 21 and with a pair of push plates sliding guide 21, one is offered in the push plate 22 One roller locking slot 221 and one second roller locking slot 222, the first roller locking slot 221 and the second roller locking slot 222 Between spacing be gradually reduced from left to right and in deflecting 90 ° of splayed, foregoing push plate actuating mechanism 3 and push plate 22 to the right Connection, foregoing a pair press in hand body holding structure 4 one of them press hand body holding structure corresponding to foregoing push plate 22 Front side and be engaged with the first foregoing roller locking slot 221, and it is a pair of press in hand body holding structure 4 another press Hand body holding structure corresponds to the rear side of push plate 22 and is engaged with the second roller locking slot 222.

As shown in figure, foregoing push plate actuating mechanism 3 includes a push plate brake function cylinder column connecting seat 31 and a push plate causes Dynamic acting cylinder 32, push plate brake function cylinder column connecting seat 31 is preferably with welding manner and foregoing 22 left end of push plate towards upper one side Fixed, push plate brake function cylinder 32 is fixed in the position of the left end corresponding to push plate 22 in bottom plate 1, and push plate actuating is made It is connected with the push plate brake function cylinder column 321 of cylinder 32 towards push plate 22 and with push plate brake function cylinder column connecting seat 31.

The acting cylinder base 322 of push plate brake function cylinder 32 is shown in FIG. 1, which is consolidated by acting cylinder base Determine screw 3221 to fix with bottom plate 1.It also shows push plate brake function cylinder column 321 being defined in push plate actuating in Fig. 1 Acting cylinder on acting cylinder connecting seat 31 limits nut 3211, and push plate is passed through in the end of push plate brake function cylinder column 321 Foregoing acting cylinder is limited nut 3211 after brake function cylinder column connecting seat 31 to screw in push plate brake function cylinder column 321 End.

In the present embodiment, foregoing push plate brake function cylinder 32 is cylinder, however if for evading the utility model Purpose and replace cylinder with oil cylinder, then equivalent technological means should be considered as and still belong to skill disclosed in the utility model Art intension scope.

Continue to see Fig. 1, foregoing a pair press hand body holding structure 4 respectively include board holder 42 in an outer board holder 41, one, One /V adjusting screw 43 connects wing compressing sliding block 44 with an oil pump column, and outer board holder 41 and the left end of bottom plate 1 are fixed, interior Board holder 42 is being fixed corresponding to the position between foregoing push plate 22 and outer board holder 41 with bottom plate 1, in the interior board holder 42 Top offers a sliding block sliding groove 421, and the space between inside and outside board holder 42,41, which is configured to jack, presses hand and longitudinally receive Chamber 45, /V adjusting screw 43 are arranged on the top of outer board holder 41 in the position corresponding to sliding block sliding groove 421 and make It is longitudinally received with probeing into jack under state and pressing hand in chamber 45, oil pump column connection wing compressing sliding block 44 is slided with sliding block sliding groove 421 Dynamic cooperation, one end of the oil pump column connection wing compressing sliding block 44 towards outer board holder 41 probe into or exit（It below can be specifically It is bright）Foregoing jack presses hand and longitudinally receives chamber 45, and the oil pump column connection wing oppresses sliding block 44 towards one end of foregoing push plate 22 One idler wheel 441 is provided with by the pivot of roller shaft 4411, roller shaft 4411 is limited to oil pump column by idler wheel axis limit nut 44111 It connects on wing compressing sliding block 44.Wherein：One corresponding to foregoing 22 front side of push plate that a pair is pressed in hand body holding structure 4 presses Idler wheel 441 and foregoing first roller locking slot 221 on the foregoing oil pump column connection wing compressing sliding block 44 of hand body holding structure It is engaged, and the rolling on the oil pump column connection wing compressing sliding block 44 for pressing hand body holding structure corresponding to one of 22 rear side of push plate Wheel 441 is engaged with the second foregoing roller locking slot 221.

There is an angle since the bottom for pressing hand body 5 is formed（Also can claim on " inclined-plane "）, thus on foregoing bottom plate 1 and A jack, which is fixed with, in the position that the bottom of chamber portion that hand longitudinally receives chamber 45 is pressed corresponding to foregoing jack presses at hand portion's filler strip 11.

Foregoing jack, which presses at hand portion's filler strip 11 and is parallel to foregoing jack, presses the long side direction that hand longitudinally receives chamber 45 It is fixed in bottom plate 1 and the jack presses the cross-sectional shape semicircular in shape of at hand portion's filler strip 11, by the jack It presses at hand portion's filler strip 11 and makes to be placed in jack and press hand and longitudinally receive the upper end surface for pressing hand body 5 in chamber 45 in horizontality.

As shown in Figure 1, the left side that foregoing outer board holder 41 passes through an external board holder fixing screws 411 and bottom plate 1 End is fixed, and foregoing interior board holder 42 is fixed by board holder fixing screws 422 in one pair with bottom plate 1.

In foregoing interior board holder 42 towards the one side of foregoing push plate 22 and in the upper of the edge corresponding to push plate 22 The position of side is fixed with a push plate limited block 423, and the push plate limited block 423 and the top patch of the edge of push plate 22 are touched.By This understands：The push plate that space between push plate limited block 423 and foregoing push plate sliding guide 21 is configured to slide for push plate 22 is slided Dynamic chamber.

/V adjustment is offered on foregoing outer board holder 41 and in the position corresponding to slide block sliding groove 421 Screw hole 412, foregoing /V adjusting screw 43 are screwed on the /V adjusting screw hole 412 and by being arranged on /V adjustment Lock nut 431 on screw 43 locks.

Can also be that foregoing push plate brake function cylinder 32 is equipped with a shield 323 as preferred scheme, the shield 323 Left end shield fixing screws 3231 are fixed with preceding acting cylinder base 322, and the right end of shield 323 is shelved on a pair presses hand and seize machine on both sides by the arms On the interior board holder 42 of structure 4.

Continue to see Fig. 1, when the hand body 5 of pressing up for welding with longitudinal state is placed in jack and presses hand and longitudinally receives chamber 45 After interior, the push plate brake function cylinder 32 of the structural system of push plate actuating mechanism 3 works, and push plate brake function cylinder column 321 is to cylinder body Outer stretching, extension, since push plate brake function cylinder column 321 is connected with push plate brake function cylinder column connecting seat 31 and is limited by acting cylinder Determine nut 3211 to limit, and due to the push plate of push plate brake function cylinder column connecting seat 31 and the structural system of sliding guide mechanism 2 22 fix, thus the displacement to the right of push plate 22 is driven when push plate brake function cylinder column 321 stretches outside cylinder body（Sliding）.Due to one To the idler wheel 441 on the oil pump column connection wing compressing sliding block 44 for the structural system for pressing hand body holding structure 4 respectively with first, the Second wheel locking slot 221,222 is engaged, and since the one first, second roller locking slots 221,222 are in deflecting to the right 90 ° Splayed, thus during the displacement to the right of push plate 22, the track of idler wheel 441 changes, so as to drive oil by idler wheel 441 The pump plunger shaft connection wing oppresses sliding block 44 and presses the direction displacement that hand longitudinally receives chamber 45 to foregoing jack, and oil pump column is made to connect wing pressure The end face that urgent sliding block 44 presses one end that hand longitudinally receives chamber 45 towards jack connects the wing 51 to a pair of of the oil pump column for pressing hand body 5 （Fig. 3 shows）In the connection wing compressing of one of oil pump column, and another oil pump column connection in a pair of of oil pump column connection wing 51 The wing is limited by foregoing /V adjusting screw 43, so as to being total in oil pump column the connection wing compressing sliding block 44 and /V adjusting screw 43 Make the upper opening 514 of a pair of of oil pump column connection wing 51 tend to be closed under same-action, so as to by the welding gun 6 of welding manipulator（Fig. 3 Show）Welding is implemented to upper opening 514 and forms weld seam 515（Fig. 3 shows）.After the completion of welding, foregoing push plate brake function cylinder 32 Pair counteragent, by foregoing inverse process, oil pump column connection wing compressing sliding block 44, which recesses jack and presses hand, longitudinally receives chamber 45, i.e., Oil pump column connection the wing 51 discharge, take from complete upper opening 514 welding press hand body 5.

Fig. 2 is referred to, a plurality of the utility model being arranged on bottom plate 1 are shown in FIG. 2, that is, shows and is arranged at Four sliding guide mechanisms, 2, four push plate actuating mechanisms 3 on bottom plate 1 and four pairs press hand body holding structure 4, but not by To the limitation of quantity shown in Fig. 2.From the signal of the Fig. 2, the utility model structure has preferably collection in actual use Conjunction degree, is advantageous to improve and clamps and welding efficiency

Fig. 3 is referred to, Fig. 3 shows that the jack for completing welding presses hand, which presses hand the one of short transverse Side forms the lift body 5 for having a pair of of oil pump column connection wing 51, this is pressed hand body 5 and presses hand lever jack 52 with one, in a pair Oil pump column connects the middle part of the wing 51 and the column articulated hole 511 of an oil pump is respectively offered in the position corresponded, and in a pair of of oil Pump plunger shaft connects the lower part of the wing 51 and a support base connecting hole 512, a pair of of oil pump is equally respectively offered in the position corresponded Space between the middle part of the column connection wing 51 is configured to oil pump column and probes into chamber 513.

According to professional general knowledge, structure shown in Fig. 3 is needed before jack is matched in regard to the upper of a pair of of oil pump column connection wing 51 Portion implements welding, is closed the upper opening 514 of a pair of of oil pump column connection wing 51.Since the welding to upper opening 514 has existed It is described, thus repeats no more above.

In conclusion technical solution provided by the utility model compensates for the shortcoming in prior art, favorably accomplish Invention task has faithfully fulfilled the technique effect that applicant refers in technical effect column above.

Claims (10)

1. a kind of jack presses the clamp structure of hand welding, it is characterised in that including a bottom plate (1)；One sliding guide mechanism (2), which is arranged on the left end of the bottom plate (1)；One push plate actuating mechanism (3), the push plate actuating mechanism (3) it is arranged on the bottom plate (1) and is connected with sliding guide mechanism (2)；A pair presses hand body holding structure (4), this is right One of them pressed in hand body holding structure (4) presses hand body holding structure corresponding to the sliding guide mechanism (2) The position of front side is arranged on the bottom plate (1) and is engaged with sliding guide mechanism (2), and a pair presses hand body and seizes machine on both sides by the arms Another in structure (4) presses hand body holding structure and is arranged on bottom plate in the position of the rear side corresponding to sliding guide mechanism (2) (1) it is engaged on and equally with sliding guide mechanism (2).

2. jack according to claim 1 presses the clamp structure of hand welding, it is characterised in that the slide-and-guide Mechanism (2) include a pair of push plates sliding guide (21) and a push plate (22), a pair of push plates sliding guide (21) with each other it is front and rear simultaneously Capable state is fixed on left end of the bottom plate (1) towards upper one side, and push plate (22) is sliding with a pair of push plates sliding guide (21) Dynamic cooperation, offers one first roller locking slot (221) and one second roller locking slot (222) in the push plate (22), this Spacing between one roller locking slot (221) and the second roller locking slot (222) is gradually reduced and is in splayed from left to right, The push plate actuating mechanism (3) is connected with push plate (22), and described a pair presses one of them in hand body holding structure (4) Hand body holding structure is pressed corresponding to the front side of the push plate (22) and is matched with the first roller locking slot (221) Close, and another that a pair is pressed in hand body holding structure (4) press hand body holding structure corresponding to push plate (22) rear side simultaneously And it is engaged with the second roller locking slot (222).

3. jack according to claim 2 presses the clamp structure of hand welding, it is characterised in that the push plate actuating Mechanism (3) includes a push plate brake function cylinder column connecting seat (31) and a push plate brake function cylinder (32), push plate brake function cylinder Column connecting seat (31) is fixed with the push plate (22) left end towards upper one side, and push plate brake function cylinder (32) is corresponding to push plate (22) position of left end is fixed on the bottom plate (1), the push plate brake function cylinder column of the push plate brake function cylinder (32) (321) it is connected towards push plate (22) and with push plate brake function cylinder column connecting seat (31).

4. jack according to claim 2 presses the clamp structure of hand welding, it is characterised in that the push plate actuating Acting cylinder (32) is cylinder or oil cylinder.

5. jack according to claim 2 presses the clamp structure of hand welding, it is characterised in that described a pair presses hand Body holding structure (4) is respectively including board holder (42), a /V adjusting screw (43) and an oil pump in an outer board holder (41), one Column connection wing compressing sliding block (44), outer board holder (41) and the left end of the bottom plate (1) fix, interior board holder (42) corresponding to Position between the push plate (22) and outer board holder (41) is fixed with bottom plate (1), is opened up on the top of the interior board holder (42) There is a sliding block sliding groove (421), the space between inside and outside board holder (42,41), which is configured to jack, presses hand and longitudinally receive chamber (45), /V adjusting screw (43) is arranged on the top of outer board holder (41) simultaneously in the position corresponding to sliding block sliding groove (421) And probe into jack and press hand and longitudinally receive in chamber (45), oil pump column connection wing compressing sliding block (44) is sliding with sliding block sliding groove (421) Dynamic cooperation, one end of the oil pump column connection wing compressing sliding block (44) towards outer board holder (41) probe into or exit the jack It presses hand and longitudinally receives chamber (45), and oil pump column connection wing compressing sliding block (44) is pivoted towards one end of the push plate (22) and is provided with One idler wheel (441), wherein：A pair presses in hand body holding structure (4) and presses hand corresponding to one on front side of the push plate (22) The idler wheel (441) and first roller locking on the oil pump column connection wing compressing sliding block (44) of body holding structure Slot (221) is engaged, and the oil pump column connection wing compressing for pressing hand body holding structure corresponding to one on rear side of push plate (22) is slided Idler wheel (441) on block (44) is engaged with the second roller locking slot (221).

6. jack according to claim 5 presses the clamp structure of hand welding, it is characterised in that in the bottom plate (1) Above and a jack is fixed in the position for pressing the bottom of chamber portion that hand longitudinally receives chamber (45) corresponding to the jack to press at hand Portion's filler strip (11).

7. jack according to claim 6 presses the clamp structure of hand welding, it is characterised in that the jack is pressed At hand portion's filler strip (11) is parallel to the jack and presses hand and longitudinally receive the long side direction of chamber (45) and is fixed on the bottom plate (1) And the jack presses the cross-sectional shape semicircular in shape of at hand portion's filler strip (11).

8. jack according to claim 5 presses the clamp structure of hand welding, it is characterised in that the outer board holder (41) fixed by an external board holder fixing screws (411) and the left end of the bottom plate (1), and the interior board holder (42) It is fixed by board holder fixing screws (422) in one pair and the bottom plate (1).

9. jack according to claim 5 presses the clamp structure of hand welding, it is characterised in that in the interior board holder (42) it is fixed with one towards the one side of the push plate (22) and in the position of the top of the edge corresponding to push plate (22) Push plate limited block (423), the push plate limited block (423) and the top patch of the edge of push plate (22) are touched.

10. jack according to claim 5 presses the clamp structure of hand welding, it is characterised in that in the outer board holder (41) a /V adjusting screw hole (412) is offered on and in the position corresponding to the sliding block sliding groove (421), it is described /V adjusting screw (43) screws on the /V adjusting screw hole (412) and by being arranged in /V adjusting screw (43) Lock nut (431) locks.