CN217619210U - Clamping and positioning tool for screw machining - Google Patents

Abstract

The utility model discloses a screw rod processing clamping positioning tool, wherein, including installation base and at least two clamping modules that set up relatively, the clamping module is including fixing support and the V type supporting shoe on the installation base, the V type supporting shoe is located the inboard of support, and the height of V type supporting shoe is less than the height of support, be provided with the push down subassembly that runs through the support top on the support, this push down subassembly can slide from top to bottom in the support, be provided with elastic element between the roof of support and the push down subassembly, this elastic element can order about the push down subassembly to slide downwards to compress tightly the work piece in the V type breach of V type supporting shoe; adopt above-mentioned structure, exert the effort through elastic element between support inner wall and the push down subassembly, order about the push down subassembly and slide down to compress tightly the work piece at V type supporting shoe, improved the toughness of clamping in-process effectively, can prevent that the work piece from causing the damage at the clamping in-process, showing and promoted off-the-shelf output rate.

Description

Clamping and positioning tool for screw machining

Technical Field

The utility model relates to a technical field of work piece clamping instrument, concretely relates to screw rod processing clamping positioning tool.

Background

Most of the traditional screw machining, clamping and positioning tools clamp workpieces by using metal clamps, and can quickly and accurately clamp the workpieces, so that the machining efficiency is improved, the quantity of produced finished products is increased, and the machining difficulty is reduced; in the prior art, a metal clamping tool has the defect that workpieces are easy to damage, and when the metal clamping tool is pressed down, due to the adoption of mechanical driving, when the lower pressure is too high and the toughness is poor, the workpieces with higher precision requirements are easy to damage, so that the workpieces cannot meet the specified requirements.

Therefore, it is urgent to design a flexible clamping tool capable of improving damage to a workpiece during clamping.

SUMMERY OF THE UTILITY MODEL

According to the technical problem, the utility model provides a screw rod processing clamping positioning tool's main objective changes the clamping of pushing down the subassembly into elastic drive to damage the work piece when can avoiding the clamping.

According to the technical problem to be solved, the following technical scheme is proposed:

the utility model provides a screw rod processing clamping positioning tool, including installation base and at least two clamping modules that set up relatively, the clamping module is including fixing support and the V type supporting shoe on the installation base, the V type supporting shoe is located the inboard of support, and the height of V type supporting shoe is less than the height of support, be provided with the push down subassembly that runs through the support top on the support, this push down subassembly can slide from top to bottom in the support, wherein, be provided with elastic element between the roof of support and the push down subassembly, this elastic element can order about the push down subassembly to slide downwards to compress tightly the work piece in the V type breach of V type supporting shoe;

adopt above-mentioned structure, exert the effort through elastic element between support inner wall and the push down subassembly, order about the push down subassembly and slide down to compress tightly the work piece at V type supporting shoe, improved the toughness of clamping in-process effectively, can prevent that the work piece from causing the damage at the clamping in-process, showing and promoted off-the-shelf output rate.

Furthermore, the pressing assembly comprises a pressing rod and a pressing head, the pressing rod penetrates through the top of the support and extends downwards, the pressing head is fixed at the lower end of the pressing rod, and the elastic element is sleeved on the pressing rod and elastically supported between the pressing head and the lower surface of the top of the support;

by adopting the structure, the elastic element sleeved on the pressing rod applies the acting force sliding downwards, so that the pressing head can effectively move downwards, and the workpiece is pressed on the V-shaped supporting block through the driving of the elastic force.

Further, the elastic element is set as a reset pressure spring;

by adopting the structure, the reset pressure spring manufactured by the traditional process is easier to purchase when the part needs to be replaced, and is also free from modification, convenient and practical.

Furthermore, a plurality of mounting holes which are longitudinally distributed are formed in the pressure lever, at least one limiting strip with one end protruding out of each mounting hole is arranged in each mounting hole, and any limiting strip can be supported on the upper surface of the top of the support;

by adopting the structure, the sliding length limited by each limit strip is matched with workpieces of different sizes for clamping, so that the universality of the clamping tool is improved, and the limit strips can absorb part of elastic force to prevent the surface of the workpiece from being damaged due to overlarge elastic force when the elastic element is used for clamping.

Furthermore, a V-shaped groove is formed in the bottom of the pressure head, and the V-shaped groove in the pressure head corresponds to the V-shaped notch in the V-shaped supporting block up and down;

by adopting the structure, the workpiece can be better fixed by arranging the relative V-shaped groove and V-shaped notch, so that the stability of the clamping tool is improved.

Furthermore, flexible materials are covered on the V-shaped groove of the pressure head and the V-shaped notch of the V-shaped supporting block;

by adopting the structure, the V-shaped groove and the V-shaped notch which are contacted with the workpiece are covered with the flexible material, so that the workpiece can be effectively prevented from being damaged in the clamping process, and the yield of finished products is further improved.

Further, the flexible material is arranged as a rubber layer;

by adopting the structure, the rubber is used as an excellent buffer material, and as the optimization of the application, the pressure caused when the pressure head is pressed down can be effectively buffered, and the workpiece can be better protected from being damaged.

Furthermore, a baffle plate for axially positioning the workpiece is further arranged on the clamping module, and the baffle plate is detachably arranged on the outer side of the bracket or the V-shaped supporting block;

by adopting the structure, the workpiece can be effectively prevented from deviating to one side direction in the clamping process, and meanwhile, the workpiece is installed in a detachable mode, and the baffle is convenient to replace when damaged.

Compared with the prior art, the beneficial effects of the utility model are that:

according to the screw machining, clamping and positioning tool adopting the technical scheme, the pressing component is driven by the elastic element to slide downwards, so that a workpiece is pressed on the V-shaped supporting block to complete clamping, the surface of the workpiece is effectively prevented from being damaged in the clamping process, the toughness of the tool is improved by adopting elastic driving for clamping, meanwhile, workpieces of different sizes can be matched more easily, and the universality of the tool is obviously improved.

Drawings

FIG. 1 is a schematic structural view of a screw machining, clamping and positioning tool in the embodiment;

FIG. 2 is a schematic view of a pressing assembly according to an embodiment;

FIG. 3 is an assembly view of the bracket and V-shaped support block of the embodiment;

fig. 4 is a top view of fig. 2.

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

Referring to fig. 1 to 4, the utility model provides a screw rod processing clamping positioning tool, mainly including installation base 1 and the clamping module fixedly installed on installation base 1, the clamping module carries out the clamping for mutually supporting, its quantity is at least two sets of and set up relatively, the clamping module comprises support 2 and V type supporting shoe 3, support 2 and V type supporting shoe 3 are all fixed on installation base 1, a V type breach is formed at the top of V type supporting shoe 3, and the height of V type supporting shoe 3 is lower than the height of support 2, is located the inboard of support 2; the top of the bracket 2 is provided with a pressing component 4, and the pressing component 4 can press the workpiece in a V-shaped notch of the V-shaped supporting block 3, so that the workpiece is clamped.

Preferably, the pressing assembly 4 penetrates through the top wall of the bracket 2 and extends downwards, and the workpiece is clamped by providing an elastic element 5 on the pressing assembly 4 to apply a downward sliding force to the pressing assembly 4, wherein the elastic element 4 may be a tension spring located above the top of the bracket 2 or a compression spring located below the top of the bracket 2, so that the pressing assembly 4 slides downwards to press the workpiece against the V-shaped notch of the V-shaped supporting block 3.

Preferably, the pressing assembly 4 mainly comprises a pressing rod 41 penetrating through the top wall of the bracket 2 and a pressing head 42 fixed at the lower end of the pressing rod 41, the pressing head 42 can slide downwards under the driving of the pressing rod 41, the elastic element 5 is a return compression spring and is supported between the pressing head 42 and the lower surface of the top of the bracket 2, so that the pressing head 42 is driven by the return pressure of the return compression spring to press the workpiece on the V-shaped notch of the V-shaped supporting block 3.

Preferably, the elastic element 5 is sleeved on the pressing rod 41, and one end of the elastic element 5 may be fixed on the pressing head 42, and the other end of the elastic element 5 may be fixed on the lower surface of the top of the bracket 2, so that the pressing head 42 is applied with a downward acting force through the elastic element 5 to press the workpiece against the V-shaped supporting block 3.

It should be noted that the elastic element 5 may also be a tension spring, which is supported between the upper surface of the top of the bracket 2 and the outer end of the pressing rod 41, and the pressing rod is driven by the tension force to slide downwards, so as to drive the pressing head 42 to press downwards, so as to press the workpiece onto the V-shaped supporting block 3, which is also applicable to the protection scope of the present application.

Preferably, the press rod 41 is provided with a plurality of mounting holes 41a arranged along the longitudinal direction, the mounting holes 41a are through holes, each mounting hole 41a is provided with a limiting strip 41b, at least one end of each limiting strip 41b protrudes out of the mounting hole 41a, so that the limiting strips 41b can be supported on the upper surface of the top of the bracket 2, the length of the press rod 41 sliding downwards is limited, the length limited by each limiting strip 41b corresponds to each screw rod with different sizes, the corresponding number of limiting strips 41b are extracted according to the size of the screw rod to be processed, part of elastic force of the elastic element 5 is absorbed by the limiting strips 41b, the screw rods are processed through elastic force, strong elastic force is required, and the limiting strips 41b are matched with the screw rods with different sizes, so that not only is the universality of the clamping and positioning tool improved, but also damage to the screw rods due to overlarge elastic force is avoided.

Preferably, the bottom of the pressing head 42 is of a V-shaped structure, so that a C-shaped groove is formed at the bottom of the pressing head 42, the V-shaped groove vertically corresponds to a V-shaped notch on the V-shaped support block 3, so as to accurately press the screw against the V-shaped notch on the V-shaped support block 3, meanwhile, a layer of flexible material 6 covers both the V-shaped support block 3 and the pressing head 42, which are in contact with the screw, so as to further ensure that the screw is not damaged in the clamping process, and the flexible material 6 is a rubber layer, also called a rubber pad, and covers the V-shaped notch at the top of the V-shaped support block 3 and the V-shaped groove at the bottom of the pressing head 42 respectively.

Preferably, a baffle 7 for axially positioning the workpiece is further arranged on the outer side of the clamping module, and the baffle 7 is detachably mounted on the outer side of the bracket 2 or the V-shaped supporting block 3, so that the situation that the screw rod is misplaced in the clamping process can be effectively prevented, and when the baffle 7 is damaged due to wrong clamping operation, the detachable mounting mode can be replaced; the outside of the V type supporting block 3 of this application preferred with the installation of baffle 7 to can be according to actual need and finely tune the position of baffle 7 for V type supporting block 3, make the axial positioning position of axle class piece more accurate.

Preferably, the support 2 and the V-shaped support block 3 are integrally arranged, so that the mounting and fixing of the clamping unit can be facilitated, and the support 2 and the V-shaped support block 3 are arranged in close proximity, so that the torque of the clamping force borne by the shaft part is smaller.

The foregoing detailed description describes embodiments of the invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described above with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.

Claims (8)

1. The utility model provides a screw rod processing clamping positioning tool, includes the clamping module of installation base (1) and two at least relative settings, the clamping module is including fixing support (2) and the V type supporting shoe (3) on installation base (1), V type supporting shoe (3) are located the inboard of support (2), and the height that highly is less than support (2) of V type supporting shoe (3), be provided with on support (2) and run through the subassembly (4) that pushes down at support (2) top, should push down subassembly (4) and can slide its characterized in that from top to bottom in support (2): an elastic element (5) is arranged between the top wall of the support (2) and the pressing component (4), and the elastic element (5) can drive the pressing component (4) to slide downwards, so that a workpiece is pressed in a V-shaped notch of the V-shaped supporting block (3).

2. The screw machining clamping and positioning tool according to claim 1, characterized in that: the pressing assembly (4) comprises a pressing rod (41) and a pressing head (42), the pressing rod (41) penetrates through the top of the support (2) to extend downwards, the pressing head (42) is fixed at the lower end of the pressing rod (41), and the elastic element (5) is sleeved on the pressing rod (41) and elastically supported between the pressing head (42) and the lower surface of the top of the support (2).

3. The screw machining clamping and positioning tool according to claim 2, characterized in that: the elastic element (5) is set to be a reset pressure spring.

4. The screw machining clamping and positioning tool according to claim 2, characterized in that: the pressing rod (41) is provided with a plurality of longitudinally-arranged mounting holes (41 a), each mounting hole (41 a) is provided with at least one limiting strip (41 b) with one end protruding out of the mounting hole (41 a), and any limiting strip (41 b) can be supported on the upper surface of the top of the support (2).

5. The screw machining clamping and positioning tool according to claim 4, characterized in that: the bottom of the pressure head (42) is provided with a V-shaped groove, and the V-shaped groove on the pressure head (42) corresponds to the V-shaped notch on the V-shaped supporting block (3) up and down.

6. The screw machining clamping and positioning tool according to claim 5, characterized in that: and flexible materials (6) are covered on the V-shaped groove of the pressure head (42) and the V-shaped notch of the V-shaped supporting block (3).

7. The screw machining clamping and positioning tool according to claim 6, characterized in that: the flexible material (6) is arranged as a rubber layer.

8. The screw machining clamping and positioning tool according to claim 1, characterized in that: the clamping module is further provided with a baffle (7) for axially positioning the workpiece, and the baffle (7) is detachably mounted on the outer side of the support (2) or the V-shaped supporting block (3).

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