CN208801069U - A kind of workpiece pressuring clamping device - Google Patents

Abstract

The utility model provides a kind of workpiece pressuring clamping device; including thrust assemblies and protecting seat; and the thrust assemblies are rotatedly connected towards one end of the workpiece and one end of the protecting seat; the other end of the protecting seat is used to support on the workpiece, and the thrust assemblies are used in rotation by pushing the protecting seat to drive the workpiece.A kind of workpiece pressuring clamping device provided by the utility model, adds protecting seat between thrust assemblies and workpiece, and is rotatablely connected protecting seat one end and thrust assemblies, and the other end is connected on workpiece.Guarantee that the rotation of thrust assemblies not will drive protecting seat rotation; make that opposite sliding is not present between protecting seat and workpiece; reduce the friction to workpiece surface; the problems such as avoiding the generation of surface defect; existing adjustment pressing device is solved in workpiece pressing; its end directly contacts with workpiece and has opposite sliding, easily leads to the problem of workpiece surface generates scratch or pit, reduces product quality and production efficiency.

Description

A kind of workpiece pressuring clamping device

Technical field

The utility model relates to be machined tooling technology more particularly to a kind of workpiece pressuring clamping device.

Background technique

During the design and use of tooling, often need that workpiece is adjusted and is compressed, so that workpiece is accurately positioned, To guarantee machining accuracy and safe operation.

Currently, common workpiece adjustment pressing device is to be cooperated by lead screw and nut to realize, as shown in Fig. 1, It will be fixed on tooling ontology with the nut that threads of lead screw cooperates, when in use, lead screw one end passed through into spiral shell by screw thread rotation Mother, end are contacted with workpiece, by rotating threaded shaft forward or backwards, are made it along nut axial direction straight-line feed or are left, i.e., The force to workpiece can be achieved or loosen, with adjustment or workpiece pressing.

However, the end due to lead screw is directly contacted between workpiece, and when being exerted a force or being unclamped to workpiece, the rotation of lead screw Turn so that lead screw end and workpiece there is opposite sliding friction between the two, easily lead to workpiece surface in this way and scratch occur even The defects of pit, causes product to do over again, and reduces the quality and production efficiency of product.

Utility model content

The utility model provides a kind of workpiece pressuring clamping device, to solve existing workpiece adjustment pressing device in workpiece pressing When, end directly contacts with workpiece and has opposite sliding, easily leads to workpiece surface and generates scratch or pit, reduces product matter The problem of amount and production efficiency.

The utility model provides a kind of workpiece pressuring clamping device, comprising:

Thrust assemblies and protecting seat, and the thrust assemblies turn towards one end of the workpiece and one end of the protecting seat Dynamic to be connected, the other end of the protecting seat is used to support on the workpiece, and the thrust assemblies are used to pass through promotion in rotation The protecting seat is to drive the workpiece.

In specific embodiment of the present utility model, the protecting seat includes being rotatedly connected with one end of the thrust assemblies Mounting portion；

One end of the thrust assemblies is equipped with the end construction being rotatedly connected with the mounting portion.

In specific embodiment of the present utility model, the mounting portion is hollow structure, and the end construction is in described Setting is rotated in hollow structure.

In specific embodiment of the present utility model, the mounting portion includes unthreaded hole and internal thread hole, and the unthreaded hole is located at In the protecting seat, one end of the internal thread hole is connected with the unthreaded hole, and the other end of the internal thread hole extends to institute The outer surface of protecting seat is stated, and the diameter of the unthreaded hole is greater than the major diameter of the internal thread hole.

In specific embodiment of the present utility model, the end construction includes optical axis and matches with the internal thread hole Thread spindle, the both ends of the optical axis are connected with one end of the thread spindle and the thrust assemblies respectively, and the optical axis Diameter is less than the path of the internal thread hole, and the thread spindle is contained in the unthreaded hole.

In specific embodiment of the present utility model, the end construction is hollow structure, and the mounting portion is in described Setting is rotated in hollow structure.

In specific embodiment of the present utility model, the end construction includes: unthreaded hole and internal thread hole, the unthreaded hole position In in the thrust assemblies, one end of the internal thread hole is connected with the unthreaded hole, and the other end of the internal thread hole extends To the thrust assemblies towards one end end face of the protecting seat, and the diameter of the unthreaded hole is greater than the big of the internal thread hole Diameter.

In specific embodiment of the present utility model, the mounting portion includes optical axis and matched with the internal thread hole Thread spindle, the both ends of the optical axis are connected with the protecting seat and the thread spindle respectively, and the diameter of the optical axis is less than institute The path of internal thread hole is stated, the thread spindle is contained in the unthreaded hole.

In specific embodiment of the present utility model, one end end face of the thread spindle far from the optical axis is dome shape.

In specific embodiment of the present utility model, the thrust assemblies include lead screw and connect with the threads of lead screw Nut, the nut is fixed on tooling ontology, and the end construction is arranged towards one end of the workpiece in the lead screw.

A kind of thrust assemblies provided by the utility model, by will push against one end of component and one end rotation company of protecting seat It connects, and the other end of protecting seat is connected on workpiece, rotation thrust assemblies exert a force to drive workpiece to workpiece by protecting seat It compresses, and is rotatablely connected between thrust assemblies and protecting seat, make protecting seat and thrust assemblies without fixed connection, while protecting seat supports It connects on workpiece, also without fixed connection between protecting seat and workpiece, in rotation thrust assemblies to be exerted a force by protecting seat to workpiece When, the rotation of thrust assemblies not will drive protecting seat rotary motion, and then make that opposite cunning is not present between protecting seat and workpiece It is dynamic, to reduce the friction in workpiece compaction process to workpiece surface, the generation of Surface Flaw is avoided, is reduced not It is necessary to do over again.Therefore, a kind of workpiece pressuring clamping device provided by the utility model can effectively improve the quality and production of product Efficiency solves existing workpiece adjustment pressing device in workpiece pressing, and end directly contacts with workpiece and has opposite Sliding easily leads to the problem of workpiece surface generates scratch or pit, reduces product quality and production efficiency.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is a kind of structural schematic diagram of existing workpiece pressuring clamping device；

Fig. 2 is the structural schematic diagram of one workpiece pressuring clamping device of the utility model embodiment；

Fig. 3 is the structural schematic diagram of thrust assemblies in one workpiece pressuring clamping device of the utility model embodiment；

Fig. 4 is the structural schematic diagram of protecting seat in one workpiece pressuring clamping device of the utility model embodiment；

Fig. 5 is the structural schematic diagram of two workpiece pressuring clamping device of the utility model embodiment；

Fig. 6 is the structural schematic diagram of thrust assemblies in two workpiece pressuring clamping device of the utility model embodiment；

Fig. 7 is the structural schematic diagram of protecting seat in two workpiece pressuring clamping device of the utility model embodiment；

Fig. 8 is another structural schematic diagram of protecting seat in one workpiece pressuring clamping device of the utility model embodiment.

Description of symbols:

Thrust assemblies -10；

End construction -11；

Optical axis -111,213；

Thread spindle -112,214；

Lead screw -12；

Nut -13；

Protecting seat -20；

Mounting portion -21；

Unthreaded hole -211,113；

Internal thread hole -212,114；

Workpiece -30；

Tooling ontology -40.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.

A kind of workpiece pressuring clamping device provided by the utility model can be applied to during the design and use of tooling, play The effect that adjustment is implemented to workpiece and is compressed, so that workpiece accurately positions, to ensure that processing precision of products and operation peace Entirely.

Embodiment one

Fig. 2 is the structural schematic diagram of one workpiece pressuring clamping device of the utility model embodiment, and Fig. 3 is the utility model embodiment The structural schematic diagram of thrust assemblies in one workpiece pressuring clamping device, Fig. 4 are protected in one workpiece pressuring clamping device of the utility model embodiment The structural schematic diagram of guard housing, Fig. 8 are another structural schematic diagrams of protecting seat in one workpiece pressuring clamping device of the utility model embodiment.

As shown in Fig. 2, workpiece pressuring clamping device includes: thrust assemblies 10 and protecting seat 20, and thrust assemblies 10 are towards workpiece 30 one end and one end of protecting seat 20 are rotatedly connected, and the other end of protecting seat 20 is for being against workpiece 30, thrust assemblies 10 For driving workpiece 30 by pushing protecting seat 20 in rotation, protecting seat 20 is used to eliminate the rotation of the transmitting of thrust assemblies 10 Movement, and exert a force under the rotation forces of thrust assemblies 10 to workpiece 30, to drive the movement of workpiece 30.

Thrust assemblies 10 are the devices for converting rotary motion to linear motion, and the rotation of thrust assemblies 10 can push therewith The connected protecting seat 20 in end moves along a straight line, and then the workpiece 30 abutted with protecting seat 20 is driven to be compressed.Due to pushing group Be rotatablely connected between part 10 and protecting seat 20, i.e., without fixed connection between thrust assemblies 10 and protecting seat 20, and protecting seat 20 with Also there is no fixed connections between workpiece 30, therefore, in rotation thrust assemblies 10 by pushing protecting seat 20 to exert a force workpiece 30 When, the rotation of thrust assemblies 10 not will drive the rotary motion of protecting seat 20, ensure that the rotary motion of thrust assemblies 10 not It can be transmitted to the surface of workpiece 30, and then make sliding not opposite between protecting seat 20 and workpiece 30, to reduce to workpiece The friction on 30 surfaces avoids the generation of 30 surface defect of workpiece, while improving product quality, reduces unnecessary return Work improves production efficiency.

In the present embodiment, thrust assemblies 10 not only can be bolt and nut cooperation pressing device, can also be screw tap device, Spiral clamping device etc. by the rotation of thrust assemblies 10, it can be achieved that drive workpiece 30 to move along a straight line.It is corresponding, Size, the type of protecting seat 20 can also be selected according to thrust assemblies 10, to meet the needs of different application.Protecting seat 20 chamfered shape can also be square, is round, trapezoidal etc., only need to guarantee that it has certain contact area i.e. between workpiece 30 It can.

A kind of workpiece pressuring clamping device provided by the utility model, by the one end and the one of protecting seat 20 that will push against component 10 End rotation connection, and the other end of protecting seat 20 is connected on workpiece 30, rotation thrust assemblies 10 are by protecting seat 20 to work The force of part 30 is rotatablely connected between thrust assemblies 10 and protecting seat 20 with driving workpiece 30 to compress, and makes protecting seat 20 and pushing group Part 10 is without fixed connection, while protecting seat 20 is connected on workpiece 30, makes between protecting seat 20 and workpiece 30 also without fixed company It connects, when rotating thrust assemblies 10 to exert a force by protecting seat 20 to workpiece 30, the rotation of thrust assemblies 10 not will drive guarantor The rotary motion of guard housing 20, and then make that opposite sliding is not present between protecting seat 20 and workpiece 30, to reduce the pressure of workpiece 30 Friction during tight to 30 surface of workpiece, avoids the generation of 30 surface defect of workpiece, reduces unnecessary do over again.Cause This, a kind of workpiece pressuring clamping device provided by the utility model can effectively improve the quality and production efficiency of product, solve existing For some workpiece adjustment pressing devices in workpiece pressing, end directly contacts with workpiece and has opposite sliding, easily leads to work The problem of part surface generates scratch or pit, reduces product quality and production efficiency.

Further, on the basis of the above embodiments, in the present embodiment, protecting seat 20 includes and thrust assemblies 10 The mounting portion 21 that one end is rotatedly connected, one end of thrust assemblies 10 are equipped with the end construction 11 being rotatedly connected with mounting portion 21, lead to The rotation connection for crossing mounting portion 21 Yu end construction 11 will push against component 10 and rotatably be connected with protecting seat 20, realizes and pushes Effective and revocable connection between component 10 and protecting seat 20 makes not will drive the rotation of protecting seat 20 when rotating thrust assemblies 10 Turn, rubs so as to avoid the opposite sliding between protecting seat 20 and workpiece 30, when solving workpiece compression to 30 surface of workpiece The problem of wiping, improves the quality of production and production efficiency of product.

As shown in Figure 3 and Figure 4, further, on the basis of the above embodiments, in the present embodiment, protecting seat 20 Mounting portion 21 is hollow structure, and the end construction 11 of thrust assemblies 10 rotates setting in the hollow structure, rotates thrust assemblies 10 end constructions 11 that can will push against component 10 screw in the hollow structure of protecting seat 20, and can be in the hollow structure transfer It is dynamic, it is arranged by the rotation of hollow structure and end construction 11, the company of can be rotated between Lai Shixian thrust assemblies 10 and protecting seat 20 It connects.

In the present embodiment, other requirements are had no to the shape of hollow structure, size, it is only necessary to guarantee thrust assemblies 10 End construction 11 can be rotated flexibly wherein, and there is no fixed connections between the hollow structure and end construction 11. Corresponding, the form and dimension of end construction 11 can also modify according to shape, the size of hollow structure, to meet not Same use occasion.

Further, on the basis of the above embodiments, in the present embodiment, mounting portion 21 includes unthreaded hole 211 and interior spiral shell Pit 212, unthreaded hole 211 are located in protecting seat 20, and one end of internal thread hole 212 is connected with unthreaded hole 211, internal thread hole 212 The other end extends to the outer surface of protecting seat 20, and the diameter of unthreaded hole 211 is greater than the major diameter of internal thread hole 212.As shown in figure 4, The part L4 of protecting seat mounting portion 21 is unthreaded hole 211, and the part L3 is internal thread hole 212, and the diameter D4 of unthreaded hole 211 is greater than internal screw thread The major diameter D3 in hole 212, wherein major diameter refers to the diameter of internal screw thread tooth bottom, and the intracavity section of mounting portion 21 is in " convex " font, pushes away Press the end construction 11 of component 10 that can enter the unthreaded hole in protecting seat 20 by the internal thread hole 212 on 20 outer surface of protecting seat In 211, guarantee that thrust assemblies 10 in rotary course, are maintained in the mounting portion 21 of protecting seat 20 and rotated to push protecting seat 20, to drive workpiece 30.It should be noted that in the present embodiment, the end construction 11 of thrust assemblies 10 can be optical axis, It is also possible to the screwed axis in front end, after thrust assemblies 10 rotate into the hollow structure of protecting seat 20, thrust assemblies 10 Without being fixedly connected between unthreaded hole 211 and internal thread hole 212, to guarantee that the on-fixed between thrust assemblies 10 and protecting seat 20 connects.

Further, on the basis of the above embodiments, in the present embodiment, end construction 11 include optical axis 111 and With the matched thread spindle 112 of internal thread hole 212, the both ends of optical axis 111 one end phase with thread spindle 112 and thrust assemblies 10 respectively Connect, and the diameter of optical axis 111 is less than the path of internal thread hole 212, thread spindle 112 is contained in unthreaded hole 211.As shown in figure 3, end The part L1 of portion's structure 11 is 111 part of optical axis, and the part L2 is 112 part of thread spindle, and the diameter D1 of optical axis 111 is less than internal screw thread The path D2 in hole 212, wherein path refers to the diameter at internal screw thread cusp.

Thread spindle 112 is matched with internal thread hole 212, and thread rotary orientation and the rotation direction of thrust assemblies 10 should be consistent, by It is greater than the major diameter D3 of internal thread hole 212 in the diameter D4 of unthreaded hole 211, therefore the diameter of unthreaded hole 211 is greater than the straight of thread spindle 112 Diameter, and thread spindle 112 is contained in unthreaded hole 211, it is ensured that thread spindle 112 flexibly rotates in unthreaded hole 211.In addition, due to The diameter D1 of optical axis 111 is less than the path D2 of internal thread hole 212, and therefore, optical axis 111 can by internal thread hole 212 and wherein Flexible rotation, when in use, the thread spindle 112 positioned at end screw in protecting seat by the internal thread hole 212 on protecting seat 20 In 20 unthreaded hole 211, optical axis 111 is located in internal thread hole 212, due between thread spindle 112 and unthreaded hole 211 without be fixedly connected can spirit Rotation living, the connection that also do not fixed between optical axis 111 and internal thread hole 212, so that thrust assemblies 10 and protecting seat 20 can be realized Between rotation connection, when rotating thrust assemblies 10, protecting seat 20 is not rotated with it, and is made between protecting seat 20 and workpiece 30 without opposite Sliding, avoid the damage to 30 surface of workpiece.

In addition, thread spindle 112 and the setting for matching internal thread hole 212, it is ensured that in 30 compaction process of workpiece, end knot Structure 11 will not slide from protecting seat 20, influence the use of 30 pressing device of workpiece.

It should be noted that in the present embodiment, optical axis 111 there will be enough length, it is mainly used for thrust assemblies 10 After 112 part of thread spindle screws in protecting seat 20, enough yielding spaces are reserved to 212 part of internal thread hole of protecting seat 20, To guarantee thrust assemblies 10 in flexible rotating wherein.To may be housed in thread spindle 112 in unthreaded hole 211, and end construction 11 Can flexible rotating, should ensure that the length of optical axis 111 is greater than the length of internal thread hole 212, the length of thread spindle 112 is less than unthreaded hole 211 length.

In the present embodiment, the exterior contour of protecting seat 20 can be cylindrical type, as shown in Figure 4, be also possible to ladder Spindle-type, as shown in figure 8, its one end face area far from mounting portion 21 is larger, it is possible to increase the contact of protecting seat 20 and workpiece 30 Area has better stability, helps to reduce the friction between protecting seat 20 and workpiece 30.

Embodiment 2

Fig. 5 is the structural schematic diagram of two workpiece pressuring clamping device of the utility model embodiment, and Fig. 6 is the utility model embodiment The structural schematic diagram of thrust assemblies in two workpiece pressuring clamping devices, Fig. 7 are protected in two workpiece pressuring clamping device of the utility model embodiment The structural schematic diagram of guard housing.

As illustrated in figs. 5-7, end construction 11 provided in this embodiment is hollow structure, and mounting portion 21 is in the hollow structure Rotation setting, the end construction 11 that will push against component 10 are designed as hollow structure, and the mounting portion 21 of protecting seat 20 can be hollow at this It is rotated in structure, realizes that the rotation of thrust assemblies 10 and protecting seat 20 connects by the hollow structure and mounting portion 21 of rotation connection It connects.

Further, on the basis of the above embodiments, in the present embodiment, end construction 11 includes: unthreaded hole 113 and interior Threaded hole 114, unthreaded hole 113 are located in thrust assemblies 10, and one end of internal thread hole 114 is connected with unthreaded hole 113, internal thread hole 114 other end extends to one end end face of the thrust assemblies 10 towards protecting seat 20, and the diameter of unthreaded hole 113 is greater than internal thread hole 114 major diameter.As shown in fig. 6, the end construction 11 of thrust assemblies 10 is hollow structure, the diameter of unthreaded hole 113 is greater than internal screw thread The major diameter in hole 114, makes 11 intracavity section of end construction of thrust assemblies 10 in " convex " font, and the mounting portion 21 of protecting seat 20 can lead to It crosses in the unthreaded hole 113 of the entrance thrust assemblies 10 of internal thread hole 114 and rotates, to make thrust assemblies 10 in rotation forces protecting seat 20 During driving workpiece 30, protecting seat 20 is not driven to rotate, and then avoid damage of the protecting seat 20 to 30 surface of workpiece. It should be noted that in the present embodiment, the mounting portion 21 of protecting seat 20 can be optical axis, it is screwed to be also possible to front end Axis, after 20 mounting portion 21 of protecting seat rotates into the end construction 11 of thrust assemblies 10, protecting seat 20 and unthreaded hole 113 and interior spiral shell Without being fixedly connected between pit 114, to guarantee that the on-fixed between thrust assemblies 10 and protecting seat 20 connects.

Further, on the basis of the above embodiments, in the present embodiment, mounting portion 21 include optical axis 213 and with The matched thread spindle 214 of internal thread hole 114, the both ends of optical axis 213 are connected with protecting seat 20 and thread spindle 214 respectively, and optical axis 213 diameter is less than the path of internal thread hole 114, and thread spindle 214 is contained in unthreaded hole 113.As shown in fig. 7, protecting seat 20 One end is equipped with mounting portion 21, and the diameter of optical axis 213 is less than the path of internal thread hole 114.Thread spindle 214 and internal thread hole 114 Matching, thread rotary orientation and the rotation direction of thrust assemblies 10 should be consistent.

Since the diameter of unthreaded hole 113 is greater than the major diameter of internal thread hole 114, the diameter of unthreaded hole 113 is greater than thread spindle 214 Diameter, and thread spindle 214 is contained in unthreaded hole 113, it is ensured that thread spindle 214 flexibly rotates in unthreaded hole 113.In addition, Since the diameter of optical axis 213 is less than the path of internal thread hole 114, optical axis 213 can by internal thread hole 114 and wherein Flexible rotation, when in use, the thread spindle 214 positioned at 21 front end of mounting portion pass through on 10 end construction 11 of thrust assemblies Threaded hole 114 screws in unthreaded hole 113, and optical axis 213 is located in internal thread hole 114, since nothing is solid between thread spindle 214 and unthreaded hole 113 Fixed connection can flexible rotating, the connection that also do not fixed between optical axis 213 and internal thread hole 114, thus can realize protecting seat 20 with Rotation connection between thrust assemblies 10, when rotating 10 workpiece pressing of thrust assemblies, protecting seat 20 is not rotated with thrust assemblies 10, is made Without opposite sliding between protecting seat 20 and workpiece 30, the damage to 30 surface of workpiece is avoided.

In addition, the setting of thread spindle 214 and matched internal thread hole 114, it is ensured that in 30 compaction process of workpiece, protect Guard housing 20 will not slide from end construction 11, influence the use of 30 pressing device of workpiece.

It should be noted that in the present embodiment, optical axis 213 will have enough length, mainly for the protection of the spiral shell of seat 20 After 214 part of line axis screws in end construction 11, it is empty that enough yieldings are reserved to 114 part of internal thread hole of end construction 11 Between, to guarantee protecting seat 20 in flexible rotating wherein.To may be housed in thread spindle 214 in unthreaded hole 113, and protecting seat 20 Mounting portion 21 can flexible rotating, should ensure that the length of optical axis 213 is greater than the length of internal thread hole 114, the length of thread spindle 214 is small In the length of unthreaded hole 113.

In the present embodiment, one end face area of the protecting seat 20 far from mounting portion 21 is larger, as Fig. 7 shows, it is possible to increase protects The contact portion area of guard housing 20 and workpiece 30 has better stability, helps to reduce between protecting seat 20 and workpiece 30 Friction.

Further, on the basis of the above embodiments, in the present embodiment, one end end face of the thread spindle far from optical axis is Dome shape.The one end of thread spindle far from optical axis is the one end being in contact in compressing progradation with unthreaded hole, which is added Work can reduce the contact area between thread spindle and unthreaded hole inner wall at dome shape, guarantee flexible rotating of the thread spindle in unthreaded hole, together When can also reduce push workpiece pressing needed for apply power.

Further, on the basis of the above embodiments, in the present embodiment, thrust assemblies 10 include lead screw 12 and with The nut 13 that lead screw 12 is threadedly coupled, nut 13 are fixed on tooling ontology 40, and end is arranged towards one end of workpiece 30 in lead screw 12 Portion's structure 11.Lead screw 12 is actuated element most-often used on machine tool and precision machinery, have high precision, invertibity and Efficient feature, building structure is simple, convenient using operating, and cost is relatively low, can be widely used in various industry and sets It is standby.

It should be noted that the diameter of end construction 11 must be less than 13 diameter of nut, nut is smoothly screwed in convenient for lead screw 12 In 13, and it is rotatablely connected in turn with protecting seat 20.Nut 13 is fixed on tooling ontology 40, plays guiding and self-locking effect, The offset of 10 running track of thrust assemblies can be prevented, guarantees the accuracy of 30 position of workpiece adjustment.In use, nut 13 is fixed On tooling ontology 40, rotating threaded shaft 12 makes it rotate through nut 13, and lead screw 12 leads to along the feeding of the axial straight line of nut 13 Rotating threaded shaft 12 or the mode for rotating protecting seat 20 are crossed by the screw-in protecting seat 20 of lead screw 12, continues rotating threaded shaft 12, pushes and protect Guard housing 20 travels forward, so that workpiece 30 be driven to compress.Opposite direction rotation, can loosen workpiece 30, easy to operate, have very Good practicability.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" etc. refer to The orientation or positional relationship shown be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and Simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construction And operation, therefore should not be understood as limiting the present invention.

In the description of the present invention, it should be understood that term " includes " used herein and " having " and Their any deformation, it is intended that cover it is non-exclusive include, for example, containing the process of a series of steps or units, side Method, system, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include being not clearly listed Or other step or units intrinsic for these process, methods, product or equipment.

Unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc. should do broad sense reason Solution, such as may be a fixed connection, it may be a detachable connection, or be integrally formed；It can be directly connected, can also pass through Intermediary is indirectly connected, and can make being connected inside two elements or the interaction relationship of two elements.For this field Those of ordinary skill for, can understand the concrete meaning of above-mentioned term in the present invention as the case may be.In addition, Term " first ", " second " etc. are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicit finger The quantity of bright indicated technical characteristic.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of workpiece pressuring clamping device, for being adjusted or compressing to workpiece characterized by comprising

Thrust assemblies and protecting seat, and the thrust assemblies rotate phase towards one end of the workpiece and one end of the protecting seat Even, for supporting on the workpiece, the thrust assemblies are used in rotation by described in promotion the other end of the protecting seat Protecting seat is to drive the workpiece.

2. workpiece pressuring clamping device according to claim 1, which is characterized in that the protecting seat includes and the thrust assemblies The mounting portion that is rotatedly connected of one end；

One end of the thrust assemblies is equipped with the end construction being rotatedly connected with the mounting portion.

3. workpiece pressuring clamping device according to claim 2, which is characterized in that the mounting portion is hollow structure, the end Portion's structure rotates setting in the hollow structure.

4. workpiece pressuring clamping device according to claim 3, which is characterized in that the mounting portion includes unthreaded hole and internal screw thread Hole, the unthreaded hole are located in the protecting seat, and one end of the internal thread hole is connected with the unthreaded hole, the internal thread hole The other end extends to the outer surface of the protecting seat, and the diameter of the unthreaded hole is greater than the major diameter of the internal thread hole.

5. workpiece pressuring clamping device according to claim 4, which is characterized in that the end construction include optical axis and with institute State the matched thread spindle of internal thread hole, the both ends of optical axis one end phase with the thread spindle and the thrust assemblies respectively Connect, and the diameter of the optical axis is less than the path of the internal thread hole, the thread spindle is contained in the unthreaded hole.

6. workpiece pressuring clamping device according to claim 2, which is characterized in that the end construction is hollow structure, described Mounting portion rotates setting in the hollow structure.

7. workpiece pressuring clamping device according to claim 6, which is characterized in that the end construction includes: unthreaded hole and interior spiral shell Pit, the unthreaded hole are located in the thrust assemblies, and one end of the internal thread hole is connected with the unthreaded hole, the internal screw thread The other end in hole extends to one end end face of the thrust assemblies towards the protecting seat, and the diameter of the unthreaded hole is greater than described The major diameter of internal thread hole.

8. workpiece pressuring clamping device according to claim 7, which is characterized in that the mounting portion include optical axis and with it is described The matched thread spindle of internal thread hole, the both ends of the optical axis are connected with the protecting seat and the thread spindle respectively, and the light The diameter of axis is less than the path of the internal thread hole, and the thread spindle is contained in the unthreaded hole.

9. the workpiece pressuring clamping device according to claim 5 or 8, which is characterized in that the thread spindle is far from the optical axis One end end face is dome shape.

10. according to any workpiece pressuring clamping device of claim 2-8, which is characterized in that the thrust assemblies include lead screw And the nut connecting with the threads of lead screw, the nut are fixed on tooling ontology, the lead screw is towards the workpiece The end construction is arranged in one end.