CN202144045U

CN202144045U - Duplex positioning clutch pushing vice structure

Info

Publication number: CN202144045U
Application number: CN2011201280779U
Authority: CN
Inventors: 黄汉农
Original assignee: Vertex Machinery Works Co ltd
Current assignee: Vertex Machinery Works Co ltd
Priority date: 2011-04-01
Filing date: 2011-04-25
Publication date: 2012-02-15
Anticipated expiration: 2021-04-25
Also published as: TWM418756U

Abstract

A compound positioning clutch push vise structure, including a base, a rotating component, a pressure cylinder, a second pressing device and an axially movable switching ring. The base is provided with a slide rail and a sliding seat; the rotating component is pivoted on The base is fixedly connected to the second pressing device and includes a transmission shaft sleeve. A first pressing device is installed in the transmission shaft sleeve. A clutch element is provided between the first pressing device and the transmission shaft sleeve. The side of the transmission shaft sleeve A rotating handle is fixed; the pressure cylinder is arranged between the second pressing device and the rotating component; the second pressing device is fixedly connected to the rotating component and pivotally connected to the base, and it contains a main screw with a built-in pressure rod, one end of the pressure rod It is connected to the sliding seat, and the other end is connected to the pressure cylinder. After turning the knob to position and clamp the workpiece, push the switching ring to continue rotating to prevent the clutch element from blocking its transmission sleeve, thereby driving the first pressing device to press against the pressure cylinder, and the pressure cylinder then presses Press the pressure rod to exert pressure on the sliding seat, thereby once again increasing the clamping force of the workpiece.

Description

Compound location clutch pushing vice structure

Technical field

The utility model relates to a kind of vice structure, relates in particular to a kind of can behind the piece-holder location, can the rotation once more and revolves a more consolidation that impels the clamping of workpiece ability, with the compound location of the oil pressure that promotes piece-holder power once more clutch pushing vice structure.

Background technology

Known oil pressure vice structure, like Figure 17 and shown in Figure 180, its structure is following: this oil pressure vice system include one have a track pedestal 90; A side is provided with a holder 91 on this pedestal 90, and side is provided with the sliding seat 92 of a track-movable in addition, and this oil pressure vice also includes the oil gear 80 of a connecting screw rod group 94 and the handle 93 of a connecting screw rod group 94; This oil gear 80 utilizes a location device 95 and being positioned in this sliding seat 92, and these oil gear 80 spiral shells are located at this screw rod group 94 1 side places, and these screw rod group 94 parts are stretched out this sliding seat 92 and are connected with this handle 93; And this oil gear 80 also includes a hollow cylinder body 81, two oil sealings 82, a piston 83, a push rod 85, two dish-type shell fragments 86, a spiral shell and is located at lid 87, a briquetting 88 and of this cylinder body 81 and is connected piece 89, and wherein, this piston 83 is arranged in this cylinder body 81 and has a big footpath section and a path section; And be provided with a pod 84 in this section place, big footpath; Wherein an oil sealing 82 is placed on this big footpath section, and this two dish-types shell fragment 86 is located on this path section, and these push rod 85 1 ends stretch into this pod 84; Side stretches out this cylinder body 81 in addition; And another oil sealing 82 is placed on this push rod 85, but the space fuel feeding liquid 96 that forms between this two oil sealing 82 is ccontaining, and these lid 87 spiral shells are located in the cylinder body 81; And this briquetting 88 is arranged in this lid 87 and contacts with this piston 83; This linking piece 89 is connected on this sliding seat 92, and can receive 88 pushing and pressing of this briquetting and this sliding seat 92 is moved, and forms by said elements; The user can drive this screw rod group 94 by swing handle 93 and rotate, and then pushes the purpose that this oil gear 80 reaches clamping location workpiece 97.

By above-mentioned explanation, we can learn known oil pressure vice structure, have reached convenience to a certain degree; The chucking power of right its clamping workpiece tends to receive the influence of processing external force and has the workpiece that makes the location of clamping to produce the doubt that gets loose; And once workpiece get loose to cause and add error to some extent in man-hour, even can defective work piece and board, this is for due to the chucking power deficiency of clamping workpiece; So this known oil pressure vice structure still has its part to be improved.

Summary of the invention

The main purpose of the utility model is to provide a kind of and can behind the piece-holder location, can pressurizes once more with required in response to processing external force, and makes piece-holder power promote the oil pressure vice structure that gets loose with the clamping of avoiding being caused because of external force once more.

In view of this inventor with long-term research and design to the oil pressure vice, and creates a kind of oil pressure vice structure; Its structure comprises a pedestal, a runner assembly, a cylinder pressure, one second pressure setting and all ring changes, and wherein, this pedestal comprises a sliding seat and is slidedly arranged on the set slide rail of pedestal; And this sliding seat also includes the location that is provided with that a block seat and a supporting seat supply to give second pressure setting; And this block seat rear end is provided with a ball holder and supplies to give and cooperate second pressure setting to transmit pressure so that pressure evenly passes, this runner assembly in addition, and integral body is hubbed at pedestal and affixed with second pressure setting; And this runner assembly comprises a driving sleeve and be provided with one first pressure setting within it; Revolve handle and side sets firmly one, and also be provided with a clutching member between this driving sleeve and first pressure setting, in addition; This first pressure setting comprises a transmission sleeve pipe and a power transmission shaft; Wherein, this a power transmission shaft Zhong Chu and a side are provided with a through hole and a hole slot respectively and supply to give the setting of clutching member, and another side of this power transmission shaft is provided with an external screw thread and supplies to give and cooperate the transmission sleeve pipe; In addition the periphery of this transmission sleeve pipe is provided with a fluting and supplies to give the corresponding ring that switches of a key lever and rotate with interlock, and its inner rim be respectively equipped with that a locating slot and an internal thread supply to give corresponding power transmission shaft so that clutching member clip is not when the locating slot of transmission sleeve pipe, power transmission shaft is able to screw in the action of extruding cylinder pressure to promote piece-holder power; This clutching member also comprises a pin rod, a ball, a flexible member and a screw tightening again, and this ball, flexible member and screw tightening are arranged in the hole slot of power transmission shaft in regular turn, and this pin rod is arranged at the through hole of locating in the power transmission shaft; This clutching member has the effect that makes the common rotation of this first pressure setting and driving sleeve or only do to move horizontally, and this cylinder pressure connects with an end area the greater and second pressure setting and establishes again, and other end area smaller and runner assembly connect and establish; And this second pressure setting is whole affixed and articulate with pedestal with runner assembly, and this second pressure setting also comprises a driving screw and a built-in pressure bar, also is provided with a tank in this pressure bar and supplies to give a flexible member setting; Again an end of this flexible member and cylinder pressure join to, and the slip seated connection of an end of this pressure bar and pedestal is established, its in addition end connect with cylinder pressure and establish; In addition; This switching is located on the peripheral of runner assembly and can moves axially, and should switchings ring inboard also includes draw-in groove confession and give the transmission sleeve pipe and rotate with interlock through key lever phase clip, and the end encircled of this switching is provided with a fitting portion again; This fitting portion can with the set embeded slot corresponding matching of driving sleeve one end of runner assembly; If this switches the driving sleeve of chimeric this runner assembly of ring, then runner assembly drives the rotation of second pressure setting, if its both not chimeric then these runner assemblies do not drive the rotation of second pressure setting; Form by said elements; Earlier revolving being inserted in, and will switch rotation according to this behind the driving sleeve that ring is sticked in this runner assembly, with after driving second pressure setting work piece positioning being held in the revolving in the hole of the driving sleeve of runner assembly; Push open again to switch to encircle and make it not engage with the driving sleeve of runner assembly; Rotate this runner assembly to continue, impel not its driving sleeve of clip of clutching member, and drive first pressure setting according to this; And then make this first pressure setting compress cylinder pressure; And this cylinder pressure compresses the pressure bar of second pressure setting again, and this pressure bar sliding seat of compressing pedestal again to be exerting pressure then, and then to promote the chucking power of workpiece.

In other words, the present invention provides a kind of compound location clutch pushing vice structure, comprising:

One pedestal, it is established a sliding seat and is slidedly arranged on the set slide rail of pedestal;

One runner assembly, it is established a driving sleeve and is provided with one first pressure setting within it, between this driving sleeve and first pressure setting, establishes a clutching member again, and this runner assembly is hubbed at pedestal and affixed with second pressure setting again;

One cylinder pressure, the long-pending smaller of one end connects with runner assembly and establishes, and other the end area the greater and second pressure setting connect and establish again;

One second pressure setting, affixed and articulate with pedestal with runner assembly, this second pressure setting is also established a driving screw and a built-in pressure bar again, and wherein the slip seated connection of an end of this pressure bar and pedestal is established, and holds then to connect with cylinder pressure in addition and establishes; And

All ring changes are located at the peripheral of runner assembly and can be moved axially, and should switching encircle end face and be provided with a fitting portion, this fitting portion can with the set embeded slot corresponding matching of driving sleeve one end of runner assembly;

Form by said elements, the rotated assembly orders about the sliding seat displacement with after work piece positioning is held, and pushes open to switch ring and continue to rotate and revolve impelling first pressure setting to compress second pressure setting bringing pressure to bear on sliding seat, and then promotes the chucking power of workpiece.

Now learn that by above explanation the utility model is compared prior art, really can reach following effect:

Be provided with the cause (comprise clutching member and switch ring) of two clutching members because of the utility model structure; So can cooperate the situation (processing external force size) of processing; Selecting whether will carry out second section pressurization to workpiece can not take place to have influence on processing or damage workpiece and board because of the not enough clamping that causes of piece-holder power gets loose to promote the chucking power of workpiece, to reach to add man-hour.

Description of drawings

Fig. 1 is the upright sketch map of the utility model structural upright group.

Fig. 2 is the exploded view of the utility model structure.

Fig. 3 is the schematic top plan view of the utility model structure.

Fig. 4 is the utility model structure A-A generalized section.

Fig. 5 implements first section of the clamping workpiece side action generalized section that just turning right for the utility model structure.

Fig. 6 implements first section of the clamping workpiece side action generalized section that just turning left for the utility model structure.

Fig. 7 implements a kind of generalized section of second section right side action of clamping workpiece for the utility model structure.

Fig. 8 implements the another kind of generalized section of second section right side action of clamping workpiece for the utility model structure.

Fig. 9 implements another generalized section 3 of second section right side action of clamping workpiece for the utility model structure.

Figure 10 implements second section left side action of clamping workpiece generalized section for the utility model structure.

Figure 11 implements to unload a kind of generalized section of moving first section left side action of workpiece for the utility model structure.

Figure 12 implements to unload the another kind of generalized section of moving first section left side action of workpiece for the utility model structure.

Figure 13 unloads for the enforcement of the utility model structure and moves first section right side action of workpiece generalized section.

Figure 14 implements to unload a kind of generalized section of moving second section right side action of workpiece for the utility model structure.

Figure 15 implements to unload the another kind of generalized section of moving second section right side action of workpiece for the utility model structure.

Figure 16 unloads for the enforcement of the utility model structure and moves second section left side action of workpiece generalized section.

Figure 17 is the side-looking floor map of known structure.

Figure 18 is the local enlarged diagram of the oil gear of known structure.

Reference numeral:

The utility model structure

1: pedestal 11: stiff end

12: sliding seat 120: the ball holder

121: supporting seat 122: block seat

13: slide rail 130: locating hole

14: positioning sleeve 15: clamping plate

16: latch 2: runner assembly

21: driving sleeve 210: revolve the hole

211: embeded slot 22: revolve handle

Pressure setting 31 in 3: the first: power transmission shaft

310: through hole 311: hole slot

312: external screw thread 32: the transmission sleeve pipe

320: fluting 321: key lever

322: locating slot 323: internal thread

4: clutching member 41: pin rod

42: ball 43: flexible member

44: screw tightening 5: switch ring

51: fitting portion 52: draw-in groove

6: 7: the second pressure settings of cylinder pressure

71: driving screw 72: pressure bar

721: tank 722: flexible member

Known structure

80: oil gear 81: cylinder body

82: oil sealing 83: piston

84: pod 85: push rod

86: butterfly type shell fragment 87: lid

88: briquetting 89: be connected piece

90: pedestal 91: holder

92: sliding seat 93: handle

94: screw rod group 95: positioner

96: fluid 97: workpiece

The specific embodiment

The utility model system is about a kind of compound location clutch pushing vice structure; Please cooperate and consult Fig. 1 to Fig. 4 (rotation arrow wherein shown in Figure 4 representes that first section is just changeed); Its structure system comprises a pedestal 1, a runner assembly 2, all ring changes 5, a cylinder pressure 6 and one second pressure setting 7, wherein:

Pedestal 1; Tool is provided with a slide rail 13 on it; And a side of this pedestal 1 is provided with a stiff end 11; In addition side then is provided with the sliding seat 12 that can cooperate slide rail 13 slippages (this stiff end 11 and sliding seat 12 can affixed respectively clamping plate 15 so that 12 formation of stiff end 11 and sliding seat, one clamp area is beneficial to the clamping workpiece); The side of this sliding seat 12 sets firmly one and supplies to give the positioning sleeve 14 that runner assembly 2 is provided with the location, and the side of this slide rail 13 is provided with a plurality of locating holes 130 with spacing, but and those locating holes 130 can supply to give that sliding seat 12 cooperates latches 16 and the size that changes the clamping workpiece; In addition this sliding seat 12 also comprises one and supplies to give a supporting seat 121 and the block seat 122 that second pressure setting 7 is provided with the location, and these block seat 122 rear ends are provided with a ball holder 120 and supply to give and cooperate second pressure setting 7 to transmit pressure and pressure is evenly passed;

Runner assembly 2; Its integral body is hubbed at pedestal 1 and affixed with second pressure setting 7; And this runner assembly 2 is provided with a driving sleeve 21, and an end tool of this driving sleeve 21 is provided with an embeded slot 211, is provided with one first pressure setting 3 again in this driving sleeve 21; This first pressure setting 3 comprises a transmission sleeve pipe 32 and a power transmission shaft 31; And the Zhong Chu of this power transmission shaft 31 and a side are provided with a through hole 310 respectively and a hole slot 311 supplies to give the setting of a clutching member 4, and these driving sleeve 21 sides establish one and revolve hole 210 and revolve for one and be inserted in 22, and this clutching member 4 comprises a pin rod 41, a ball 42, a flexible member 43 and a screw tightening 44; And this ball 42, flexible member 43 and screw tightening 44 are arranged in the hole slot 311 of power transmission shaft 31 in regular turn; 41 of pin rods are arranged at the through hole of locating in the power transmission shaft 31 310, and this clutching member 4 has rotate this first pressure setting 3 and driving sleeve 21 jointly, or the only effect that moves horizontally of do with driving sleeve 21 common rotations; In addition, another side of this power transmission shaft 31 is provided with an external screw thread 312 and supplies to give cooperation transmission sleeve pipe 32; And the periphery of this transmission sleeve pipe 32 is provided with a fluting 320 and supplies to give the corresponding ring 5 of switching of a key lever 321 and rotate with interlock; And its inner rim be respectively equipped with that a locating slot 322 and an internal thread 323 supply to give corresponding power transmission shaft 31 so that clutching member 4 clip is not when the locating slot 322 of transmission sleeve pipe 32, power transmission shaft 31 is able to screw in 6 actions of extruding cylinder pressure to promote piece-holder power;

Switch ring 5; Thing is useed the similar efficacy effect of second clutching member as, and it is located at the peripheral of runner assembly 2 and can moves axially, and should switchings encircles 5 inboards and be provided with a draw-in groove 52 confessions and give transmission sleeve pipe 32 and rotate with interlock through key lever 321 phase clips; In addition; The end face of this switching ring 5 also is provided with a fitting portion 51, this fitting portion 51 can with set embeded slot 211 corresponding matching of driving sleeve 21 1 ends of runner assembly 2, even should switching encircle 5 be embedded in this runner assembly 2 driving sleeve 21; Then runner assembly 2 drives 7 rotations of second pressure setting, if its both not chimeric then these runner assemblies 2 do not drive 7 rotations of second pressure setting;

Cylinder pressure 6 adopts oil hydraulic cylinders, and the long-pending smaller of one end connects with runner assembly 2 and establish, and other the end area the greater and second pressure setting 7 connect and establish; And

Second pressure setting 7 is whole affixed and articulate with pedestal 1 with runner assembly 2, and this second pressure setting 7 also includes a driving screw 71, is provided with a pressure bar 72 in this driving screw 71; Also be provided with a tank 721 in this pressure bar 72 and supply to give a flexible member 722 and be provided with, again an end of this flexible member 722 and cylinder pressure 6 join to, and the sliding seat 12 of an end of driving screw 71 and pedestal 1 connects and establishes, and holds in addition then to connect with cylinder pressure 6;

Form by said elements; Be inserted in 22 in the revolving in the hole 210 of the driving sleeve 21 of runner assembly 2 to revolve earlier, and after will switching ring 5 and being sticked in the driving sleeve 21 of this runner assembly 2, rotation is according to this revolved handle and is held to drive 7 pairs of work piece positionings of second pressure setting; Pushing switching ring 5 again open makes it not engage with the driving sleeve 21 of runner assembly 2; Rotate this runner assembly 2 to continue, impel not its driving sleeve 21 of clip of clutching member 4, and drive 3 displacements of first pressure setting according to this; And then make this first pressure setting 3 compress cylinder pressure 6; And this cylinder pressure 6 compresses the pressure bar 72 of second pressure setting 7 again, and this pressure bar 72 sliding seat 12 of compressing pedestal 1 again to be exerting pressure then, and then to promote the chucking power of workpiece.

For making the special character of can clearer the new wound oil pressure of masses vice structure, the spy is aided with the action diagram to explain, please cooperate and consult Fig. 5 to Figure 16; When the user uses this new wound oil pressure vice structure clamping workpiece, at first will revolve and rotate 22 so that second pressure setting 7 drives sliding seats 12 displacements so that (because of revolving the side that is fixed at driving sleeve 21 to 22, and driving sleeve 21 and switching encircle 5 and cooperate to connect with embeded slot 211 through fitting portion 51 and establish with the piece-holder location; And transmission sleeve pipe 32 by key lever 321 clips in the draw-in groove 52 that switches ring 5,6 of cylinder pressures place in the transmission sleeve pipe 32 through the screw tightening spiral shell, and an end of this cylinder pressure 6 and second pressure setting 7 connect and establish; Sliding seat 12 sides set firmly a positioning sleeve 14 and supply to give runner assembly 2 settings, switch ring 5, transmission sleeve pipe 32, cylinder pressure 6 and 7 rotations of second pressure setting with 12 displacements of driving sliding seat so driving sleeve 21 is rotated with interlock, reach the purpose with the piece-holder location); Its manner of execution is just as general oil pressure vice, and this is first section workpiece is pressurizeed (its chucking power is provided), like Fig. 5 and (rotation arrow wherein shown in Figure 5 representes that first section is just changeed) shown in Figure 6; And be the size in response to processing external force; If external force is excessive, this workpiece might produce the phenomenon that gets loose in process, adds the damage that just causes error or workpiece and board man-hour easily; So it is considerable giving the enough chucking powers of workpiece; And this new wound oil pressure vice structure produces for solving this disappearance, obtains bigger chucking power for making workpiece, uses the user of this new wound oil pressure vice; Can be behind first section pressurization location of workpiece; Be about to earlier switch a little distance of ring 5 displacements (revolve 22 o'clock for making to rotate, switch ring 5 not because of with the rotation of driving sleeve 21 tabling interlocks), rotation is revolved and is impelled driving sleeve 21 rotations to 22 once more; This moment, the pin rod 41 of clutching member 4 fastened in the locating slot 322 of transmission sleeve pipe 32 originally; Will displacement go out locating slot 322 this moment, (rotation arrow wherein shown in Figure 7 representes that second section is just changeed) as shown in Figure 7, meanwhile because transmission sleeve pipe 32 not along with driving sleeve 21 rotates; So the power transmission shaft 31 that can impel first pressure setting 3 in transmission sleeve pipe 32 internal thread 323 and screw in; (rotation arrow wherein shown in Figure 8 representes that second section is just changeed) as shown in Figure 8, and when power transmission shaft 31 screw-ins of first pressure setting 3 compressed cylinder pressure 6, cylinder pressure 6 can displacements compress second pressure setting 7; This moment strength transmission by area little to big (according to cylinder pressure 6 interior oil hydraulic systems) according to Pascal's law (Pascal ' s Law); Can the pressure amplification be compressed second pressure setting 7, (rotation arrow wherein shown in Figure 9 representes that second section is just changeed) as shown in Figure 9, impel the chucking power of workpiece to promote once more the sliding seat 12 that the pressure that amplifies compresses pedestal 1 through the pressure bars 72 in second pressure setting 7; Reach second section pressurization to workpiece, shown in figure 10.

And desire with the workpiece of two sections pressurizations when the oil pressure vice structure of this new wound disassembles; Counter-rotating is revolved 22 in advance; This moment, second pressure setting 7 and driving sleeve 21 can displacements backward, and the power transmission shaft 31 of first pressure setting 3 also can screw out (rotation arrow wherein shown in Figure 11 is represented first section counter-rotating) shown in figure 11 along the internal thread 323 of transmission sleeve pipe 32 simultaneously; And meanwhile; Also clip is in locating slot 322 again for the pin rod 41 of clutching member 4, and the also interlock displacement backward of other second pressure setting 7 is like Figure 12 and (rotation arrow wherein shown in Figure 12 is represented first section counter-rotating) shown in Figure 13; And the state of this moment is just the same in first section pressurization clamping location as workpiece; Again through be about to earlier to switch ring 5 be displaced to original position (so that switch ring 5 can with driving sleeve 21 tablings), (rotation arrow wherein shown in Figure 14 is represented second section counter-rotating) shown in figure 14, the row counter-rotating is revolved and is revert to the precalculated position, original place to 22 with driving sliding seat 12 again; Like Figure 15 and (rotation arrow wherein shown in Figure 15 is represented second section counter-rotating) shown in Figure 16, just can take out workpiece down from this new wound oil pressure vice structure this moment.

Make a general survey of above-mentioned explanation; Can learn the oil pressure vice structure of the utility model can be selected in response to processing external force whether to need two sections pressurizations to be beneficial to processing with the chucking power that promotes workpiece really; The oil pressure vice of the utility model can cooperate sliding seats change the suitable size of clamping workpiece with a latch by the set a plurality of equidistance locating holes of slide rail side again, makes the oil pressure vice of the utility model be applicable to the clamping utilization of various dimension workpiece.

The above is the know-why that specific embodiment used of the utility model; As if the change of doing according to the conception of the utility model; When the function that it produced does not exceed spiritual that specification and accompanying drawing contain yet, all should be in the scope of the utility model.

Claims

1. A compound positioning clutch push vise structure, characterized in that it comprises:

A base, which is provided with a sliding seat slidingly installed on a slide rail provided on the base;

A rotating assembly, which is provided with a transmission sleeve and a first pressing device inside, and a clutch element is arranged between the transmission sleeve and the first pressing device, and the rotating assembly is pivoted on the base and is connected with the The second pressing device is fixedly connected;

A pressure cylinder, one end of which is smaller in area is connected to the rotating assembly, and the other end of which is larger in area is connected to the second pressing device;

A second pressing device is fixedly connected to the rotating assembly and pivotally connected to the base, and the second pressing device is also provided with a main screw and a built-in pressure rod, wherein one end of the pressure rod is connected to the sliding seat of the base, while the other end is connected to the cylinder; and

A switching ring, which is arranged on the periphery of the rotating assembly and can move axially, and the end surface of the switching ring is provided with a fitting part, and the fitting part can be matched with a fitting groove provided at one end of the transmission shaft sleeve of the rotating assembly. .

2. The compound positioning clutch pushing vise structure according to claim 1, wherein the first pressing device comprises a transmission sleeve and a transmission shaft, wherein the middle and one side of the transmission shaft are respectively A through hole and a hole slot are provided for the setting of the clutch element, and the other side of the transmission shaft is provided with an external thread for matching with the transmission sleeve; in addition, the outer circumference of the transmission sleeve is provided with a slot for a key rod The corresponding switching ring rotates in a linked manner, and its inner edge is respectively provided with a positioning groove and an internal thread for the corresponding transmission shaft so that the transmission shaft can be screwed in and squeezed when the clutch element is not locked in the positioning groove of the transmission sleeve. Cylinder action.

3. The compound positioning clutch push vise structure according to claim 2, wherein the clutch element comprises a pin rod, a ball, an elastic element and a screw, and the ball, the elastic element and the screw The firmware is sequentially arranged in the hole of the transmission shaft, and the pin rod is arranged in the through hole in the transmission shaft.

4. The compound positioning clutch pushing vise structure according to claim 2, characterized in that, the inner side of the switching ring also includes a slot for the transmission sleeve to be locked by the key rod for interlocking rotation.

5 . The compound positioning clutch pushing vise structure according to claim 1 , wherein a rotary hole is provided on the side of the transmission sleeve for a rotary handle to be inserted therein. 5 .

6 . The compound positioning clutch pushing vise structure according to claim 1 , wherein the sliding seat further includes a blocking seat and a supporting seat for setting and positioning of the second pressing device. 7 .

7 . The compound positioning clutch pushing vise structure according to claim 6 , wherein a ball holder is provided at the rear end of the retaining seat for cooperating with the second pressing device to transmit pressure. 8 .

8. The compound positioning clutch push vise structure according to claim 1 or 6, characterized in that, a positioning sleeve is fixed on the side of the sliding seat, and the positioning sleeve is used for setting and positioning of the rotating assembly.

9. The compound positioning clutch push vise structure according to claim 1, characterized in that, the pressure rod is also provided with a groove for an elastic element to be disposed, and the elastic element is in contact with one end of the pressure cylinder .

10. The compound positioning clutch push vise structure according to claim 1, characterized in that, the side of the slide rail also includes a plurality of positioning holes with spacing for the sliding seat to cooperate with a pin to change the clampable workpiece the size of. the