CN220637834U - Piston rod clamping device - Google Patents

Abstract

The utility model provides a piston rod clamping device which comprises a working platform, wherein a fixed vertical plate and a fixed transverse plate are fixedly connected above the working platform, the fixed vertical plate is connected with an electric push rod cylinder body, an electric push rod piston rod is connected with a push plate, and the piston rod clamping device further comprises a buffer layer which is connected with the fixed transverse plate and is positioned above the fixed transverse plate and used for buffering when the push plate clamps the piston rod. According to the utility model, the buffer layer is arranged, so that the clamping force can be effectively enhanced while the piston rod to be processed is clamped, the outer wall of the piston rod is not damaged, the product quality of the piston rod is higher, the reliability is good, the service life is long, and in addition, the buffer layer is provided with the opening section and the through groove, so that the service life of the buffer layer can be effectively prolonged, and the applicable diameter range of a piston rod workpiece to be processed can be enlarged.

Description

Piston rod clamping device

Technical Field

The utility model relates to the technical field of auxiliary machining of piston rods, in particular to a piston rod clamping device.

Background

The piston rod is a main moving part of mechanical products such as an oil cylinder, an air cylinder and the like, and moves frequently in the using process, so that the processing quality of the piston rod can directly influence the durability and the reliability of the products.

Patent document CN218927536U discloses a piston rod clamping tool, which comprises a bottom plate and a top plate above the bottom plate, wherein the bottom plate and the top plate are sleeved by a bracket, a lower support is assembled at the right center of the top of the bottom plate, a driving cylinder seat is assembled on the top plate, and the bottom end of a driving shaft of the driving cylinder seat is fixedly connected with an upper support above the lower support; the lower support is provided with a groove formed by assembling a circular plate and two groups of L-shaped frame plates which are opposite in position on the outer side of the circular plate; this piston rod presss from both sides tight frock, through the setting of each subassembly between bottom plate and the roof, can press from both sides the dress through the body of rod that drive cylinder seat down drive upper bracket between to it and the lower support, and the fixed effect when two sets of V type grooves set up can increase its clamp dress, and the device component is less relatively simultaneously, and only can reach the effect of pressing from both sides the dress to the body of rod through opening and close the drive cylinder seat, easy operation and work efficiency are high, have solved the relative many and then lead to clamp the problem that dress efficiency remains to promote of current device component.

In the above scheme, this press from both sides tight frock and press from both sides tightly the piston rod through the mutual cooperation of each subassembly, but this simple structure, when the centre gripping is too loose, the clamping force is unstable, and the piston rod rotates easily, and the V type groove can harm the piston rod surface when the centre gripping is too tight to influence piston rod product quality, consequently, it is necessary to provide a piston rod clamping device, in order to solve the not enough of prior art.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a piston rod clamping device.

The utility model adopts the technical proposal for solving the technical problems that:

the utility model provides a piston rod clamping device, includes work platform, work platform top fixed connection is equipped with fixed riser and fixed diaphragm, and fixed riser links to each other with the electric putter cylinder body, and the electric putter piston rod links to each other with the push pedal, still includes the buffer layer, and the buffer layer links to each other and is located fixed diaphragm top with fixed diaphragm for cushion when the push pedal centre gripping piston rod, prevent that the push pedal from damaging to piston rod surface.

The utility model is further provided with the buffer layer in an integrated structure, the bottom of the outer wall of the buffer layer is an arc section used for being in contact with and fixed with the fixed transverse plate, the outer walls of the two sides of the buffer layer are plane sections used for being in contact with and stressed by the push plate, the top of the buffer layer is an opening section used for avoiding the buffer layer from being damaged by stress generated after the buffer layer is extruded, and the opening section can be deformed to a certain extent.

The utility model is further arranged that the bottom surface of the fixed transverse plate is connected with the surface of the working platform, the top surface of the fixed transverse plate is provided with a circular arc groove, and the circular arc groove is matched with the circular arc section.

The utility model is further arranged such that the planar segment is parallel to the push plate.

The utility model is further arranged that the diameter of the inner wall of the buffer layer is slightly larger than the diameter of the piston rod workpiece to be processed.

The utility model is further provided that the inner wall of the buffer layer is provided with three through grooves which penetrate through the radial inner wall of the whole buffer layer.

The utility model is further arranged such that the through slots have a spacing of at least 3cm.

The utility model is further provided with the same length of the push plate, the buffer layer and the fixed transverse plate, so that the buffer layer is uniformly stressed.

In summary, the utility model has the following beneficial effects:

according to the utility model, the buffer layer is arranged, so that the clamping force can be effectively enhanced while the piston rod to be processed is clamped, the outer wall of the piston rod is not damaged, the product quality of the piston rod is higher, the reliability is good, the service life is long, and in addition, the buffer layer is provided with the opening section and the through groove, so that the service life of the buffer layer can be effectively prolonged, and the applicable diameter range of a piston rod workpiece to be processed can be enlarged.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of a part of the structure of the present utility model.

FIG. 3 is a schematic diagram of a buffer layer structure according to the present utility model.

Fig. 4 is a schematic view of a structure for an example of the present utility model.

Fig. 5 is a schematic view of a structure for an example of the present utility model.

Fig. 6 is a schematic view of a structure for an example of the present utility model.

In the figure, a working platform 1, a fixed vertical plate 2, a fixed transverse plate 3, a circular arc-shaped groove 31, a power-driven push rod cylinder body 41, a power-driven push rod piston rod 42, a push plate 43, a concave arc-shaped section 431, a buffer layer 5, a circular arc-shaped section 51, a plane section 52, a opening section 53, a through groove 54 and a cambered section 55.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

in this embodiment, as shown in fig. 1-3, the piston rod clamping device comprises a working platform 1, wherein a fixed vertical plate 2 and a fixed transverse plate 3 are fixedly connected above the working platform, the fixed vertical plate is connected with an electric push rod cylinder 41, an electric push rod piston rod 42 is connected with a push plate 43, and the piston rod clamping device further comprises a buffer layer 5, which is connected with the fixed transverse plate and is located above the fixed transverse plate, and is used for buffering when the push plate clamps the piston rod, so that the push plate is prevented from damaging the surface of the piston rod. The buffer layer has a certain hardness and can be deformed.

The embodiment is further provided with a buffer layer as an integrated structure, the bottom of the outer wall of the buffer layer is an arc section 51 and is used for being fixedly contacted with a fixed transverse plate, the outer walls of two sides of the buffer layer are plane sections 52 and are used for being stressed by being contacted with a push plate, the top of the buffer layer is an opening section 53 and is used for avoiding the buffer layer from being damaged by stress generated after the buffer layer is extruded, and the opening section can be deformed to a certain extent.

In this embodiment, the bottom surface of the fixed transverse plate is connected with the surface of the working platform, the top surface of the fixed transverse plate is provided with a circular arc groove 31, the circular arc groove is matched with the circular arc section, and the circular arc section of the buffer layer is borne by the circular arc groove, so that the buffer layer is fixed.

In this embodiment, the plane section is parallel to the push plate, and the plane section is uniformly stressed and spread to the opening section and the arc section.

In this embodiment, the diameter of the inner wall of the buffer layer is slightly larger than the diameter of the piston rod workpiece to be processed, and the piston rod workpiece to be processed can be inserted from one end of the buffer layer.

The embodiment further sets up to, the buffer layer inner wall is equipped with three logical grooves 54, leads to the groove and link up whole buffer layer radial inner wall, and the purpose is to avoid the buffer layer to receive the stress that produces after the extrusion to lead to the fact the destruction to the buffer layer, can increase the deformation angle of buffer layer for the piston rod work piece that waits to process of centre gripping is suitable for diameter scope wider.

In this embodiment, the distance between the through grooves is at least 3cm, so as to avoid the buffer layer from being damaged due to the fact that the buffer layer loses certain hardness and stability of the buffer layer caused by too small distance between the through grooves.

In this embodiment, the lengths of the push plate, the buffer layer and the fixed transverse plate are the same, so that the buffer layer is stressed uniformly.

Example 2:

in this embodiment, as shown in fig. 4, when the radial length of the piston rod to be processed is large, two clamping devices disposed on the same radial shaft may be used to ensure stability and fastening degree when clamping the piston rod to be processed.

Example 3:

in this embodiment, as shown in fig. 5, the difference between this embodiment and embodiment 1 is that the planar section of the outer wall of the buffer layer is set as an arc section 55 and is an integral arc section connected with the arc section and the open end, and meanwhile, the surface of the push plate, which contacts with the outer wall of the buffer layer, is correspondingly set as a concave arc section 431, so as to ensure that the concave arc section is matched with the integral arc section, and the thrust exerted by the concave arc section can be more uniformly distributed on the integral arc section, so that the stress is uniform when the piston rod to be processed in the buffer layer is clamped, and a fastened clamping is formed.

Example 4:

in this embodiment, as shown in fig. 6, the difference between this embodiment and embodiment 1 is that the end of the push plate facing the piston rod to be processed is set to be a concave arc section, the buffer layer is connected to the concave arc section, the buffer layer is in the shape of arc block, and when in use, the electric push rod pushes the push plate to clamp the piston rod to be processed in the arc groove on the top surface of the fixed transverse plate.

The piston rod clamping device has the working principle that a piston rod to be processed is inserted from one end of a buffer layer, an electric push rod is controlled by a control system to push a push plate to clamp the piston rod to be processed, in the clamping process, the buffer layer through groove and the opening section deform, the buffer layer is clung to the piston rod to be processed, and therefore the clamping process is completed.

In the description of the present utility model, it should be noted that, when terms such as "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships, are to be understood as being based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships conventionally put in use of the inventive product, or the orientations or positional relationships conventionally understood by those skilled in the art, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, when used herein, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, terms such as "mounted," "configured," and "connected" are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Claims (8)

1. The utility model provides a piston rod clamping device, includes work platform, work platform top fixed connection is equipped with fixed riser and fixed diaphragm, and fixed riser links to each other with the electric putter cylinder body, and the electric putter piston rod links to each other with the push pedal, a serial communication port, still includes the buffer layer, and the buffer layer links to each other and is located fixed diaphragm top with fixed diaphragm for cushion when the push pedal centre gripping piston rod, prevents that the push pedal from damaging piston rod surface.

2. The piston rod clamping device according to claim 1, wherein the buffer layer is of an integrated structure, the bottom of the outer wall of the buffer layer is an arc section, the outer walls of the two sides of the buffer layer are plane sections, and the top of the buffer layer is an opening section.

3. A piston rod clamping arrangement according to claim 2, wherein the bottom surface of the fixed cross plate is connected to the surface of the working platform, and the top surface of the fixed cross plate is provided with a circular arc-shaped groove, which is in engagement with the circular arc section.

4. A piston rod clamping arrangement according to claim 2, wherein the planar section is parallel to the push plate.

5. A piston rod clamping arrangement according to claim 1, wherein the diameter of the inner wall of the buffer layer is slightly larger than the diameter of the piston rod workpiece to be machined.

6. A piston rod clamping arrangement according to claim 1, wherein the inner wall of the damping layer is provided with three through slots extending through the entire radial inner wall of the damping layer.

7. A piston rod clamping arrangement according to claim 6, wherein the through slot spacing is at least 3cm.

8. A piston rod clamping arrangement according to claim 1, wherein the push plate, the cushioning layer and the fixed cross plate are of the same length.