CN212635561U - Clamping device for piston assembly - Google Patents

Abstract

The utility model discloses a clamping device for piston assembly, including the framework with install the pinch-off blades that is used for pressing from both sides tight piston in the framework, one side movable mounting that lies in the pinch-off blades in the framework has the threaded rod, fixed mounting has the servo motor that is used for driving threaded rod pivoted in the framework, the position threaded connection that lies in the framework on the threaded rod has two movable blocks, the movable block passes through connecting rod and pinch-off blades swing joint, the diaphragm that one side fixedly connected with and the threaded rod interlude of being connected that is close to the threaded rod on the pinch-off blades, equal sliding connection has the slider below with the higher authority of diaphragm. The utility model discloses when can pressing from both sides tightly the piston part, can fix it in advance, like this at the tight in-process of clamp, the phenomenon that the work piece is difficult for appearing removing has improved the machining precision, when pressing from both sides tightly, can guarantee the pressure between pinch-off blades and the work piece simultaneously, has ensured the normal assembly of piston.

Description

Clamping device for piston assembly

Technical Field

The utility model relates to a clamping device, concretely relates to clamping device for piston assembly belongs to piston assembly technical field.

Background

The piston is used for bearing gas pressure, and lets the connecting rod drive the crankshaft through the gudgeon pin and rotate, and the piston top is still the component of combustion chamber, and general car piston divide into: the piston is assembled by using a clamping device. The existing clamping device for piston assembly has the following problems in the actual operation process:

1. when the piston component is clamped, the piston component cannot be fixed in advance, so that the workpiece moves in the clamping process, and the machining precision is influenced;

2. the existing clamping device for piston assembly generally drives a clamping plate to move through a cylinder to clamp a workpiece, when the clamping plate is contacted with the workpiece, a worker stops the work of the cylinder, so that the pressure between the clamping plate and the workpiece cannot be ensured, the workpiece is easily damaged due to overlarge pressure, and the workpiece cannot be clamped due to undersize pressure.

SUMMERY OF THE UTILITY MODEL

Problem to above-mentioned prior art exists, the utility model provides a clamping device for piston assembly can press from both sides tightly the piston part when, can fix in advance to it, and at the tight in-process of clamp, the phenomenon that the work piece is difficult for appearing removing like this has improved the machining precision, and when pressing from both sides tightly, can guarantee the pressure between pinch-off blades and the work piece simultaneously, has ensured the normal assembly of piston.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a clamping device for piston assembly, includes the framework and installs the pinch-off blades that is used for pressing from both sides tight piston in the framework, one side movable mounting that lies in the pinch-off blades in the framework has the threaded rod, fixed mounting has the servo motor who is used for driving threaded rod pivoted in the framework, the position threaded connection that lies in the framework on the threaded rod has two movable blocks, the movable block passes through connecting rod and pinch-off blades swing joint.

Preferably, the clamping plate is provided with a transverse plate which is fixedly connected with one side close to the threaded rod and is connected with the threaded rod in an inserting mode, the upper surface and the lower surface of the transverse plate are respectively connected with a sliding block in a sliding mode, and the sliding block is fixedly connected with a spring between the connecting rods on the same side.

Preferably, a groove is formed in one side, far away from the threaded rod, of the clamping plate, a baffle is movably connected to the groove, a sleeve is movably connected to the baffle, an adjusting rod is connected to the inner side of the sleeve through threads, and a pressing plate used for pressing the piston is fixedly connected to the lower surface of the adjusting rod.

Preferably, a rubber pad is fixedly connected to one side of the pressure plate, which is far away from the adjusting rod.

Preferably, one side fixed mounting that keeps away from the threaded rod on the pinch-off blades has the pressure sensor who installs in the mounting groove inside, pressure sensor's test probe is in same vertical position with the side of pinch-off blades, fixed mounting has the controller on the framework, servo motor and pressure sensor electric connection, pressure sensor and controller electric connection.

Preferably, a power switch is fixedly mounted on the frame, and the controller is electrically connected with an external power supply through the power switch.

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

1. the height of the pressing plate is adjusted through the adjusting rod, the pressing plate is fixed in advance before the workpiece is clamped, so that the workpiece is not easy to move in the clamping process, and the machining precision is improved.

2. The pressure sensor senses the pressure between the workpiece and the clamping plate and transmits information to the controller, and when the set pressure value is reached, the controller stops the servo motor to work, so that the phenomenon that the workpiece is damaged due to the fact that the pressure is too large is prevented.

3. Through the spring arranged between the sliding block and the connecting rod, the clamping plate is stable in the moving process, the phenomenon of vibration is not easy to occur in the contact process of the clamping plate and the workpiece, the workpiece is protected, and the quality of piston assembly is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1;

fig. 3 is a schematic structural view of the sleeve of the present invention.

Description of reference numerals:

1. the device comprises a controller, 2, a pressure sensor, 3, a frame body, 4, a sliding block, 5, a transverse plate, 6, a spring, 7, a connecting rod, 8, a moving block, 9, a threaded rod, 10, a servo motor, 11, a clamping plate, 12, a rubber pad, 13, a pressing plate, 14, an adjusting rod, 15, a sleeve, 16 and a baffle.

Detailed Description

The technical solutions in the implementation of the present invention will be clear from the following description and accompanying drawings, and the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 3, the embodiment of the utility model provides a clamping device for piston assembly, include framework 3 and install the pinch-off blades 11 that are used for the clamp piston in framework 3, one side movable mounting that lies in pinch-off blades 11 in framework 3 has threaded rod 9, fixed mounting has the servo motor 10 that is used for driving threaded rod 9 pivoted on the framework 3, the position threaded connection that lies in framework 3 on the threaded rod 9 has two movable blocks 8, movable block 8 passes through connecting rod 7 and pinch-off blades 11 swing joint.

Preferably, be close to one side fixedly connected with of threaded rod 9 and threaded rod 9 on the clamp plate 11 and alternate diaphragm 5 of being connected, equal sliding connection has slider 4 above and below diaphragm 5, fixedly connected with spring 6 between slider 4 and the connecting rod 7 of homonymy for clamp plate 11 is comparatively stable at the in-process that removes, and the phenomenon of vibration is difficult to appear in the in-process of clamp plate 11 and work piece contact, has not only played the effect of protection to the work piece, has improved piston assembly's quality moreover.

Preferably, a groove is formed in one side, far away from the threaded rod 9, of the clamping plate 11, a baffle 16 is movably connected to the groove, a sleeve 15 is movably connected to the baffle 16, an adjusting rod 14 is connected to the inner side of the sleeve 15 through threads, a pressing plate 13 used for pressing a piston is fixedly connected to the lower surface of the adjusting rod 14, and the workpiece is fixed in advance before being clamped, so that the workpiece is not prone to moving in the clamping process, and machining precision is improved.

Preferably, a rubber pad 12 is fixedly connected to one side of the pressing plate 13, which is far away from the adjusting rod 14, so that the workpiece is prevented from being damaged in the process of fixing the workpiece by the pressing plate 13.

Preferably, one side fixed mounting who keeps away from threaded rod 9 on the clamp plate 11 has the pressure sensor 2 of installing in the mounting groove inside, pressure sensor 2's test probe is in same vertical position with the side of clamp plate 11, fixed mounting has controller 1 on the framework 3, servo motor 10 and pressure sensor 2 electric connection, pressure sensor 2 and controller 1 electric connection, when pressing from both sides tightly, can guarantee the pressure between clamp plate 11 and the work piece, have ensured the normal assembly of piston.

Preferably, a power switch is fixedly mounted on the frame body 3, and the controller 1 is electrically connected with an external power supply through the power switch, so that a worker can conveniently control the working state of the clamping device for assembling the piston.

When the clamping device is used, firstly, a worker places a workpiece to be clamped on the inner side of the frame body 3 and leans against one side far away from the clamping plate 11, then the baffle plate 16 is opened, the sleeve 15 is moved out of the groove, the sleeve 15 and the baffle plate 16 can be connected through the telescopic rod or the telescopic plate, so that the position of the sleeve 15 is convenient to move, the worker moves the sleeve 15 to be right above the workpiece, then the regulating rod 14 is rotated to press the pressing plate 13 on the workpiece, the sliding phenomenon of the workpiece is prevented when the workpiece is clamped, then the worker presses the power switch, the servo motor 10 drives the threaded rod 9 to rotate, the moving block 8 moves on the threaded rod 9, the clamping plate 11 is driven to move under the action of the connecting rod 7, so that the workpiece is clamped, when the pressure between the clamping plate 11 and the workpiece reaches a certain value, the pressure sensor 2 transmits information to the controller 1, the controller 1 stops the operation of the servo motor 10 to prevent crushing of the workpiece.

To sum up, the utility model discloses when can pressing from both sides tightly the piston part, can fix it in advance, like this at the tight in-process of clamp, the phenomenon that the work piece is difficult for appearing removing has improved the machining precision, and when pressing from both sides tightly, can guarantee the pressure between pinch-off blades and the work piece simultaneously, has ensured the normal assembly of piston.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a clamping device for piston assembly, includes the framework and installs the pinch-off blades that is used for pressing from both sides tight piston in the framework, its characterized in that, one side movable mounting that is located the pinch-off blades in the framework has the threaded rod, fixed mounting has the servo motor who is used for driving threaded rod pivoted in the framework, the position threaded connection that is located the framework on the threaded rod has two movable blocks, the movable block passes through connecting rod and pinch-off blades swing joint.

2. The clamping device for piston assembly as claimed in claim 1, wherein a transverse plate is fixedly connected to one side of the clamping plate close to the threaded rod and is connected with the threaded rod in an inserting manner, sliding blocks are slidably connected to the upper surface and the lower surface of the transverse plate, and a spring is fixedly connected between each sliding block and the connecting rod on the same side.

3. The clamping device for piston assembly as claimed in claim 1, wherein a groove is formed on a side of the clamping plate away from the threaded rod, a baffle is movably connected to the groove, a sleeve is movably connected to the baffle, an adjusting rod is connected to the inner side of the sleeve in a threaded manner, and a pressing plate for pressing the piston is fixedly connected to the lower surface of the adjusting rod.

4. The piston assembly clamp of claim 3 wherein a rubber pad is fixedly attached to a side of said pressure plate remote from said adjustment rod.

5. The clamping device for piston assembly as claimed in claim 1, wherein a pressure sensor is fixedly installed inside the installation groove on a side of the clamping plate away from the threaded rod, a detection probe of the pressure sensor is located at the same vertical position as a side surface of the clamping plate, a controller is fixedly installed on the frame body, the servo motor is electrically connected with the pressure sensor, and the pressure sensor is electrically connected with the controller.

6. The clamping device for piston assembly as claimed in claim 5, wherein a power switch is fixedly mounted on the frame, and the controller is electrically connected to an external power source through the power switch.