Pressing machine piston head pressing head transformation structure

Abstract

The utility model discloses a press piston head pressure head transformation structure which comprises a piston head, a connecting assembly, a plurality of positioning assemblies and a weight, the piston head is connected to the lower end of a piston rod, a disc body is arranged at the lower end of the piston head, the connecting assembly is rotationally connected to the disc body, and the positioning assemblies are arranged on the same circumference with the rotating axis of the connecting assembly as the center line at intervals. The positioning assembly comprises a pressing block and an adjusting piece, the pressing block is inserted into the connecting assembly in a sliding mode, the pressing block is provided with a pressing face facing the disc body, the pressing face is used for pressing the disc body, the adjusting piece is connected to the connecting assembly and connected with the pressing block, the adjusting piece is used for adjusting the position of the pressing block, and the weight is connected to the lower end of the connecting assembly. The weight is rotationally connected to the piston rod through the connecting assembly, switching between the rotating state and the positioning state of the weight is achieved through the positioning assembly, and therefore the problem of how to adjust the angle of the weight is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of presses, in particular to a press piston head pressure head modification structure. Background Art

[0002] Hydraulic press is a kind of stamping equipment, which is often used for stamping and shaping products. It is widely used in the field of automobile manufacturing, such as stamping and shaping the keel, chassis, bridge frame, etc. of automobiles. During the use of hydraulic press, the pressure iron is connected to the piston rod of the hydraulic cylinder. The pressure iron is pressed on the workpiece to be shaped by the piston rod. Since the deformation of the workpiece to be shaped is extremely complex, the downward pressure position must be adjusted according to the working conditions. Due to the size of the workbench, the workpiece cannot be adjusted at will, so the pressure iron must be able to adjust its position at will to meet the working needs. Utility Model Content

[0003] The embodiment of the present application provides a press piston head modification structure to solve the problem of how to rotate the iron weight.

[0004] The embodiment of the present application provides a piston head modification structure of a press machine, comprising:

[0005] The piston head is connected to the lower end of the piston rod and has a disc body;

[0006] A connecting assembly, rotatably connected to the disk body;

[0007] There are multiple positioning components, which are arranged at intervals on the same circumference with the rotation axis of the connecting component as the center line, and the positioning components include:

[0008] A pressing block is slidably inserted in the connecting assembly, the pressing block has a pressing surface facing the disc body, and the pressing surface is used to press the disc body;

[0009] An adjusting member connected to the connecting assembly and to the pressing block, the adjusting member being used to adjust the position of the pressing block;

[0010] A weight is connected to the lower end of the connecting assembly.

[0011] The beneficial effect of the above embodiment is that the weight is rotatably connected to the piston rod through the connecting assembly, and the positioning assembly realizes the switching of the weight's rotation state and positioning state, thereby solving the problem of how to adjust the weight's angle.

[0012] Based on the above embodiments, the embodiments of the present application may also be improved as follows:

[0013] In one embodiment of the present application: the connection assembly is provided with a connection cavity, and the disc body is rotatably inserted into the connection cavity. The beneficial effect of this step: the connection assembly and the piston head are rotatably connected through the connection cavity.

[0014] In one embodiment of the present application: the connection assembly includes: a seat body, which is provided with a groove, the disk body is rotatably inserted in the groove, and the seat body is also provided with a positioning groove around the groove; a cover body, which is connected to the seat body and positions the disk body in the groove, and the cover body is also provided with a positioning block inserted in the positioning groove. The beneficial effect of this step: by setting the positioning block, the cover body can be quickly positioned on the surface of the seat body, which is convenient for quickly aligning the countersunk hole with the threaded hole, thereby improving the efficiency of assembly.

[0015] In one embodiment of the present application: the positioning assembly further includes: a pressure cover connected to the connecting assembly, the pressure cover seals the pressure block in the corresponding sliding hole of the connecting assembly, the adjusting member is threadedly connected to the pressure cover; a locking member is threadedly connected to the adjusting member, the locking member is used to lock the adjusting member to the pressure cover. The beneficial effect of this step: the locking member is used to lock the adjusting member to the pressure cover, preventing the adjusting member from loosening and causing the pressure iron positioning structure to fail.

[0016] In one embodiment of the present application: the gland is provided with an inner positioning ring, and the inner positioning ring is inserted into the slide hole. The beneficial effect of this step: the stability of the gland positioning is improved by the inner positioning ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0018] Figure 1 It is a structural schematic diagram of a specific embodiment;

[0019] Figure 2 for Figure 1 Sectional view along AA;

[0020] Figure 3 for Figure 2 A partial enlarged view of B.

[0021] Among them, 1 piston head;

[0022] 2 connecting assembly, 201 connecting cavity, 202 seat body, 203 cover body, 204 positioning groove, 205 positioning block;

[0023] 3 positioning assembly, 301 pressure block, 302 adjusting member, 303 pressure cover, 304 locking member, 305 pressure plate, 306 inner positioning ring;

[0024] 4. Iron pressure;

[0025] 5 piston rod. DETAILED DESCRIPTION

[0026] In this application, unless otherwise clearly specified and limited, the terms in this application should be understood in a broad sense, such as connection can be fixed connection, detachable connection or integration, direct connection or indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of different terms in this utility model can be understood according to specific circumstances, and the scope of the specific meaning should be limited to realizing the functions of this application.

[0027] like Figure 1-3 As shown, a piston head modification structure of a press machine comprises: a piston head 1, a connecting component 2, a positioning component 3, and a pressure iron 4. The piston head 1 is connected to the lower end of a piston rod 5. The lower end of the piston head 1 has a disk body. The connecting component 2 is rotatably connected to the disk body. There are multiple positioning components 3 and they are spaced apart on the same circumference with the rotation axis of the connecting component 2 as the center line. The positioning component 3 comprises: a pressure block 301 and an adjusting member 302. The pressure block 301 is slidably inserted in the connecting component 2. The pressure block 301 has a pressing surface facing the disk body, and the pressing surface is used to press the disk body. The adjusting member 302 is connected to the connecting component 2 and connected to the pressure block 301. The adjusting member 302 is used to adjust the position of the pressure block 301. The pressure iron 4 is connected to the lower end of the connecting component 2.

[0028] In some embodiments of the present application, Figure 2 As shown, a slot is provided at the upper end of the piston head 1, and the lower end of the piston rod 5 is inserted into the slot. The insertion method is exemplified as follows: a through hole is provided on the side wall of the piston head 1, and a threaded hole is provided on the surface of the piston rod 5. The threaded end of the bolt passes through the through hole and is connected to the threaded hole, thereby positioning the piston head 1 on the piston rod 5. The stability of the connection between the piston head 1 and the piston rod 5 is improved by the plug-in connection method.

[0029] In some embodiments of the present application, Figure 2 , 3 As shown, the connecting assembly 2 is provided with a connecting cavity 201 , and the disc body is rotatably inserted into the connecting cavity 201 , so that the connecting assembly 2 and the piston head 1 are rotatably connected through the connecting cavity 201 .

[0030] In some embodiments of the present application, Figure 2 , 3As shown, the connecting assembly 2 includes: a base body 202 and a cover body 203. The base body 202 is provided with a groove, and the disk body is rotatably inserted in the groove. The base body 202 is also provided with a positioning groove 204 around the groove. The cover body 203 is connected to the base body 202 and positions the disk body in the groove. The cover body 203 is also configured with a positioning block 205 inserted in the positioning groove 204. There is at least one positioning block 205, and the positioning groove 204 corresponds to the positioning block 205. A countersunk hole is provided on the surface of the pressure cover 303, and a bolt hole is provided on the base body 202 corresponding to the countersunk hole. The base body 202 is connected to the cover body 203 by connecting the bolt inserted in the countersunk hole with the threaded hole. The purpose of setting the positioning block 205 is to quickly position the cover body 203 on the surface of the base body 202, so as to facilitate the rapid alignment of the countersunk hole with the threaded hole, thereby improving the efficiency of assembly.

[0031] In some embodiments of the present application, Figure 3 As shown, the positioning assembly 3 also includes: a pressure cover 303 and a locking piece 304. The pressure cover 303 is connected to the connecting assembly 2. The pressure cover 303 seals the pressure block 301 in the sliding hole corresponding to the connecting assembly 2. The adjusting piece 302 is threadedly connected to the pressure cover 303. The locking piece 304 is threadedly connected to the adjusting piece 302. The locking piece 304 is used to lock the adjusting piece 302 to the pressure cover 303.

[0032] In some embodiments of the present application, Figure 3 As shown, the adjusting member 302 includes: a connecting bolt and a pan head. The pan head is cylindrical, and a socket is provided in the center of the pan head. The threaded end of the connecting bolt is inserted into the through hole. The bolt and the pan head are connected by welding. A groove is provided on the surface of the pressure block 301, and the pan head is rotatably inserted into the groove. The pressure block 301 is also connected to a pressure plate 305 by bolts. The pressure plate 305 rotatably seals the pan head in the groove. The locking member 304 adopts a nut, and the nut is threadedly connected to the connecting bolt. When the connecting bolt needs to be locked, the nut is rotated to compress the pressure cover 303 to form a pre-tightening structure, thereby preventing the connecting bolt from loosening.

[0033] In some embodiments of the present application, Figure 3 As shown, the pressure cover 303 is provided with an inner positioning ring 306 , and the inner positioning ring 306 is inserted into the sliding hole, so that the positioning stability of the pressure cover 303 is improved by the inner positioning ring 306 .

[0034] When this type of press piston head modification structure is in use, first loosen the locking piece 304, and then rotate the adjusting piece 302 to make the pressure block 301 move upward and separate from the surface of the disk body, so that the pressure iron 4 can be directly pushed to make the pressure iron 4 rotate around the disk body to the working angle, and then rotate the adjusting piece 302 to make the pressure block 301 press the disk body, rotate the locking piece 304 to press it against the cover body 203, so that the adjusting piece 302 is locked, thereby stably positioning the pressure iron 4 at the working angle, thereby realizing the function of adjusting the angle of the pressure iron 4.

[0035] The above are only embodiments of the utility model. The common sense such as the known specific structures and characteristics in the scheme is not described in detail here. The ordinary technicians in the relevant field are aware of all the common technical knowledge in the technical field to which the utility model belongs before the application date or priority date, can obtain all the existing technologies in the field, and have the ability to apply the conventional experimental means before that date. The ordinary technicians in the relevant field can improve and implement the scheme in combination with their own abilities under the enlightenment given by this application. Some typical known structures or known methods should not become obstacles for the ordinary technicians in the relevant field to implement this application. It should be pointed out that for the technicians in this field, without departing from the structure of the utility model, several deformations and improvements can be made, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent.

Claims

1. A piston head modification structure for a press machine, characterized in that: include: The piston head is connected to the lower end of the piston rod and has a disc body; A connecting assembly, rotatably connected to the disk body; There are multiple positioning components, which are arranged at intervals on the same circumference with the rotation axis of the connecting component as the center line, and the positioning components include: A pressing block is slidably inserted in the connecting assembly, the pressing block has a pressing surface facing the disc body, and the pressing surface is used to press the disc body; An adjusting member connected to the connecting assembly and to the pressing block, the adjusting member being used to adjust the position of the pressing block; A weight is connected to the lower end of the connecting assembly.

2. The piston head modification structure of the press according to claim 1 is characterized in that: The connecting assembly is provided with a connecting cavity, and the disk body is rotatably inserted into the connecting cavity.

3. The press piston head modification structure according to claim 2 is characterized in that: The connection component comprises: The seat body is provided with a groove, the disc body is rotatably inserted in the groove, and the seat body is also provided with a positioning groove around the groove; The cover body is connected to the base body and positions the disc body in the groove. The cover body is also configured with a positioning block inserted in the positioning groove.

4. The press piston head modification structure according to claim 1 is characterized in that: The positioning component also includes: A gland connected to the connecting assembly, the gland seals the pressing block in a corresponding sliding hole of the connecting assembly, and the adjusting member is threadedly connected to the gland; A locking member is threadedly connected to the adjusting member, and the locking member is used to lock the adjusting member to the pressure cover.

5. The piston head modification structure of a press machine according to claim 4, characterized in that: The gland is provided with an inner positioning ring, and the inner positioning ring is inserted into the sliding hole.

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