CN223382501U - Cold header with quick replacement mould function - Google Patents

Abstract

The utility model provides a cold header with a quick die replacement function, which belongs to the technical field of die replacement and comprises a frame mechanism, wherein the frame mechanism comprises a base, a clamping box is fixedly arranged on the outer side wall of the base, a punching air pump is fixedly arranged on the inner side wall of the punching box, a punching plate is fixedly arranged on the outer side wall of the punching air pump, an installation groove is fixedly arranged on the outer side wall of the punching plate, an inner thread is arranged on the inner side wall of the installation groove, and a die replacement mechanism is arranged above the frame mechanism. According to the utility model, the mold replacement mechanism and the clamping mechanism are arranged, so that the quick replacement of the mold is realized, the downtime is reduced, the mold is more convenient to install and disassemble, the operation steps and the manual intervention are reduced, and the stability and the accuracy of the mold in the replacement process are ensured.

Description

Cold header with quick replacement mould function

Technical Field

The utility model belongs to the technical field of die replacement, and particularly relates to a cold header with a die rapid replacement function.

Background

The cold header is equipment based on cold header technology, is mainly used for mass production of fasteners such as nuts and bolts, and is characterized in that external force is applied to metal at normal temperature to enable the fasteners to generate plastic deformation, and the redistribution and transfer of metal volume are realized by utilizing a die, so that required parts are formed, and the cold header has the advantages of high material utilization rate, remarkable improvement of productivity, reduction of equipment investment, improvement of product quality and the like.

Mold replacement is a frequent operational requirement when using conventional cold heading machines for production. However, this replacement process is not convenient, it involves a series of steps, and relies on a large number of manual operations. From the disassembly and adjustment of the die to the reinstallation, each step requires a fine operation and high technical requirements, which not only consumes a great deal of manpower and time, but also increases the complexity in the production process, thus presenting a cold header with a rapid die replacement function.

Disclosure of utility model

The utility model aims to provide a cold header with a die quick replacement function, and aims to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

A cold header with a rapid die replacement function, which comprises,

The frame mechanism comprises a base, a clamping box is fixedly arranged on the outer side wall of the base, a punching air pump is fixedly arranged on the inner side wall of the punching box, a punching plate is fixedly arranged on the outer side wall of the punching air pump, a mounting groove is fixedly arranged on the outer side wall of the punching plate, and an inner thread is arranged on the inner side wall of the mounting groove;

And a die changing mechanism is arranged above the frame mechanism, and a clamping mechanism is arranged above the die changing mechanism.

As a preferable scheme of the utility model, the die changing mechanism comprises an ear wall, a clamping box is fixedly connected to the outer side wall of the ear wall, a limiting groove is formed in the outer side wall of the clamping box, a compression spring telescopic rod is fixedly arranged on the inner side wall of the clamping box, a bearing plate is fixedly arranged on the outer side wall of the compression spring telescopic rod, and a screw rod is fixedly arranged on the outer side wall of the bearing plate.

As a preferable scheme of the utility model, a sleeve is movably connected to the outer side wall of the screw rod, a connecting bearing is fixedly arranged on the outer side wall of the sleeve, a transmission main gear is fixedly arranged on the outer side wall of the connecting bearing, a transmission pinion engaged with the transmission main gear is arranged on the outer side wall of the transmission main gear, and a linkage gear is fixedly arranged on the outer side wall of the transmission pinion.

As a preferable scheme of the utility model, the outer side wall of the linkage gear is fixedly provided with a fixing frame, the outer side wall of the linkage gear is provided with a rack meshed with the fixing frame, the outer side wall of the rack is fixedly provided with a fixing block, and the outer side wall of the clamping box is fixedly connected with a first motor.

As a preferable scheme of the utility model, the outer side wall of the first motor is fixedly connected with a fixed seat, the outer side wall of the fixed seat is fixedly provided with a fixed air pump, the outer side wall of the fixed air pump is fixedly provided with a push plate, the inner side of the mounting groove is movably connected with a stamping die, and the outer side wall of the stamping die is provided with external threads.

As a preferable scheme of the utility model, the clamping mechanism comprises a second motor, the output end of the second motor is fixedly connected with a clamping air pump, the outer side wall of the clamping air pump is fixedly provided with a connecting block, and the outer side wall of the connecting block is fixedly provided with a connecting plate.

As a preferable scheme of the utility model, a limiting block is movably connected to the outer side wall of the connecting plate, a telescopic air pump is fixedly arranged on the outer side wall of the connecting plate, and a pneumatic clamp is fixedly arranged on the outer side wall of the telescopic air pump.

Compared with the prior art, the cold heading machine has the beneficial effects that through the arrangement of the replacement die mechanism and the clamping mechanism, the quick replacement of the die is realized, the production efficiency is improved, the die replacement mechanism is designed, the installation and the disassembly of the die are simpler and more convenient, the operation steps and the manual intervention are reduced, the cooperation of the screw rod, the sleeve, the connecting bearing and other parts is used, the stability and the precision of the die in the replacement process are ensured, the design of the fixed air pump and the push plate is ensured, the safe fixation of the stamping die in the replacement process is ensured, the potential safety hazard in the operation process is avoided, the cold heading machine can adapt to dies of different specifications and types through the cooperation of the fixed block and the rack, the universality of the equipment is improved, and due to the adoption of the modularized design, the maintenance and the replacement of each component become easier, so that the long-term maintenance cost is reduced, the working efficiency of the cold heading machine is improved, the operation difficulty and the maintenance cost are also reduced, and the obvious economic benefit is brought to a production enterprise.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an overall schematic diagram of a mold changing mechanism according to the present utility model;

FIG. 3 is an enlarged schematic view of the screw of the present utility model;

FIG. 4 is a schematic view of the clamping mechanism according to the present utility model;

fig. 5 is an enlarged schematic view of the ram air pump of the present utility model.

In the figure, 100, a frame mechanism, 101, a base, 102, a clamping box, 103, a stamping box, 104, a stamping air pump, 105, a stamping plate, 106, a mounting groove, 107, an internal thread, 200, a die changing mechanism, 201, a first motor, 202, an ear wall, 203, a fixed seat, 204, a fixed air pump, 205, a push plate, 206, a limit groove, 207, a stamping die, 208, an external thread, 209, a fixed block, 210, a rack, 211, a bearing plate, 212, a pressure spring telescopic rod, 213, a sleeve, 214, a connecting bearing, 215, a transmission main gear, 216, a transmission auxiliary gear, 217, a linkage gear, 218, a fixed frame, 219, a screw rod, 300, a clamping mechanism, 301, a second motor, 302, a clamping air pump, 303, a connecting block, 304, a connecting plate, 305, a limit block, 306, a telescopic air pump, 307 and a pneumatic clamp.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 and 5, a first embodiment of the present utility model provides a cold header having a rapid mold change function, comprising,

The frame mechanism 100, the frame mechanism 100 includes base 101, fixed mounting has cassette 102 on the lateral wall of base 101, fixed mounting has punching press box 103 on the lateral wall of base 101, fixed mounting has punching press air pump 104 on the inside wall of punching press box 103, fixed mounting has punching press board 105 on the lateral wall of punching press air pump 104, fixed mounting has mounting groove 106 on the lateral wall of punching press board 105, is provided with internal thread 107 on the inside wall of mounting groove 106.

Specifically, a mold changing mechanism 200 is provided above the frame mechanism 100, and a clamping mechanism 300 is provided above the mold changing mechanism 200

When the die changing mechanism is used, after the die is placed in the die changing mechanism 200, the weight of the die is pressed on the bearing plate 211, the inner tooth strips 210 of the clamping box 102 move inwards, the die is fixed by the fixing blocks 209, and the outer threads 208 on the outer side wall of the stamping die 207 are matched with the mounting grooves 106, so that the die can be easily replaced.

In sum, the weight of the die makes rack 210 in cassette 102 inwards move, fixed block 209 fixes the die in place thereupon, automatic positioning and fixing of the die have been realized, manual operation steps have been reduced, because the fixing of die relies on self weight to accomplish, the die change process has been simplified, automatic fixing's mechanism has reduced the direct contact of operator with the die, the risk of industrial injury has been reduced, the security of operation has been improved, external screw thread 208 on the stamping die 207 lateral wall cooperatees with the internal screw thread 107 of mounting groove 106, make the die can install in punching position rapidly and accurately, the speed of change has been accelerated, automatic fixing process has significantly reduced operator's manual labor, because the fixing process relies on die self weight and mechanical structure, therefore the positioning accuracy of die is high, help improving the manufacturing quality of product, make equipment maintenance and maintenance more convenient, down time has not only improved the work efficiency of cold heading machine and the operating convenience, stability and the security of production process have also been ensured.

Example 2

Referring to fig. 2 and 3, a second embodiment of the present utility model is provided with a quick change mold changing mechanism 200, unlike the previous embodiment.

Specifically, the mold changing mechanism 200 includes an ear wall 202, a clamping box 102 is fixedly connected to an outer side wall of the ear wall 202, a limit groove 206 is formed in the outer side wall of the clamping box 102, a compression spring telescopic rod 212 is fixedly installed on an inner side wall of the clamping box 102, a bearing plate 211 is fixedly installed on the outer side wall of the compression spring telescopic rod 212, a screw rod 219 is fixedly installed on the outer side wall of the bearing plate 211, a sleeve 213 is movably connected to the outer side wall of the screw rod 219, a connecting bearing 214 is fixedly installed on the outer side wall of the sleeve 213, a transmission main gear 215 is fixedly installed on the outer side wall of the connecting bearing 214, a transmission auxiliary gear 216 meshed with the transmission main gear 215 is arranged on the outer side wall of the transmission main gear 215, and a linkage gear 217 is fixedly installed on the outer side wall of the transmission auxiliary gear 216.

Further, a fixing frame 218 is fixedly installed on the outer side wall of the linkage gear 217, a rack 210 meshed with the fixing frame is arranged on the outer side wall of the linkage gear 217, a fixing block 209 is fixedly installed on the outer side wall of the rack 210, a first motor 201 is fixedly connected to the outer side wall of the clamping box 102, a fixing seat 203 is fixedly connected to the outer side wall of the first motor 201, a fixed air pump 204 is fixedly installed on the outer side wall of the fixing seat 203, a push plate 205 is fixedly installed on the outer side wall of the fixed air pump 204, a stamping die 207 is movably connected to the inner side of the mounting groove 106, and external threads 208 are arranged on the outer side wall of the stamping die 207.

When the die-changing mechanism is used, the external threads 208 on the stamping die 207 and the mounting groove 106 are matched to quickly replace the stamping die 207, the die is placed in the die-changing mechanism 200, the bearing plate 211 moves downwards to drive the screw rod 219 to move downwards to drive the transmission main gear 215 to rotate, the transmission main gear 215 drives the transmission auxiliary gear 216 to rotate, the transmission auxiliary gear 216 drives the linkage gear 217 to operate, and the linkage gear 217 drives the rack 210 to move forwards and backwards, so that the die is fixed.

In sum, through the accurate cooperation of gear and rack 210, the quick replacement of mould has been realized, the change time has been shortened by a wide margin, whole change process need not manual operation, the degree of automation of equipment has been improved, only need place the mould in retooling mechanism 200, can accomplish the fixation automatically, the operation flow has been simplified, automatic fixation has reduced the possibility of manual maloperation, production safety has been improved, guarantee the fixed precision of mould through mechanical structure, help improving the manufacturing quality of product, not only production efficiency has been improved, still reduced the human error through mechanized operation, the continuity and the stability of production process have been ensured.

Example 3

Referring to fig. 4, a third embodiment of the present utility model is provided that, unlike the previous embodiment, provides a clamping mechanism 300 that transfers the part to the next process.

Specifically, the clamping mechanism 300 includes a second motor 301, an output end of the second motor 301 is fixedly connected with a clamping air pump 302, a connecting block 303 is fixedly installed on an outer side wall of the clamping air pump 302, and a connecting plate 304 is fixedly installed on an outer side wall of the connecting block 303.

Further, a limiting block 305 is movably connected to the outer side wall of the connecting plate 304, a telescopic air pump 306 is fixedly mounted on the outer side wall of the connecting plate 304, and a pneumatic clamp 307 is fixedly mounted on the outer side wall of the telescopic air pump 306.

When the pneumatic clamping device is used, the second motor 301 drives the clamping air pump 302, the clamping air pump 302 moves back and forth to drive the connecting plate 304 to move back and forth, the telescopic air pump 306 on the connecting plate 304 is driven to move back and forth, and meanwhile, the telescopic air pump 306 drives the pneumatic clamp 307 to clamp the punched part, and the part is brought into the next process.

In conclusion, whole centre gripping and handling process are accomplished by motor and air pump is automatic, reduced manual intervention, quick and continuous part centre gripping and handling help improving the overall efficiency of production line, through the accurate control of pneumatic clamp 307, can ensure the positioning accuracy of part in the course of working, thereby improve product quality, pneumatic clamp 307 holds the system and can adjust according to the size and the shape of different parts, strong adaptability, automatic centre gripping has reduced operative manual labor, operational environment has been improved, pneumatic system compares manual operation more reliable and more stable, the security risk in the operation process has been reduced, the operation of cold heading machine becomes more high-efficient and safe, simultaneously also provide the guarantee for the high-efficient operation of production line.

It is important to note that the construction and arrangement of the utility model as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present utility model. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in order to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the utility model, or those not associated with practicing the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims (7)

1. A cold header with a function of quickly replacing a die is characterized by comprising,

The frame mechanism (100), the frame mechanism (100) comprises a base (101), a clamping box (102) is fixedly installed on the outer side wall of the base (101), a punching box (103) is fixedly installed on the outer side wall of the base (101), a punching air pump (104) is fixedly installed on the inner side wall of the punching box (103), a punching plate (105) is fixedly installed on the outer side wall of the punching air pump (104), a mounting groove (106) is fixedly installed on the outer side wall of the punching plate (105), and an inner thread (107) is arranged on the inner side wall of the mounting groove (106);

and a die changing mechanism (200) is arranged above the frame mechanism (100), and a clamping mechanism (300) is arranged above the die changing mechanism (200).

2. The cold header with the quick die replacing function according to claim 1, wherein the die replacing mechanism (200) comprises an ear wall (202), a clamping box (102) is fixedly connected to the outer side wall of the ear wall (202), a limiting groove (206) is formed in the outer side wall of the clamping box (102), a compression spring telescopic rod (212) is fixedly installed on the inner side wall of the clamping box (102), a pressure bearing plate (211) is fixedly installed on the outer side wall of the compression spring telescopic rod (212), and a screw rod (219) is fixedly installed on the outer side wall of the pressure bearing plate (211).

3. The cold header with the rapid die replacement function according to claim 2, wherein a sleeve (213) is movably connected to the outer side wall of the screw rod (219), a connecting bearing (214) is fixedly installed on the outer side wall of the sleeve (213), a transmission main gear (215) is fixedly installed on the outer side wall of the connecting bearing (214), a transmission pinion (216) meshed with the transmission main gear (215) is arranged on the outer side wall of the transmission main gear (215), and a linkage gear (217) is fixedly installed on the outer side wall of the transmission pinion (216).

4. The cold header with the rapid die replacement function according to claim 3, wherein a fixing frame (218) is fixedly arranged on the outer side wall of the linkage gear (217), a rack (210) meshed with the linkage gear (217) is arranged on the outer side wall of the linkage gear, a fixing block (209) is fixedly arranged on the outer side wall of the rack (210), and a first motor (201) is fixedly connected on the outer side wall of the clamping box (102).

5. The cold header with the rapid die replacement function according to claim 4, wherein a fixing seat (203) is fixedly connected to the outer side wall of the first motor (201), a fixed air pump (204) is fixedly installed on the outer side wall of the fixing seat (203), a push plate (205) is fixedly installed on the outer side wall of the fixed air pump (204), a stamping die (207) is movably connected to the inner side of the mounting groove (106), and external threads (208) are arranged on the outer side wall of the stamping die (207).

6. The cold header with the rapid die replacement function according to claim 5, wherein the clamping mechanism (300) comprises a second motor (301), the output end of the second motor (301) is fixedly connected with a clamping air pump (302), a connecting block (303) is fixedly arranged on the outer side wall of the clamping air pump (302), and a connecting plate (304) is fixedly arranged on the outer side wall of the connecting block (303).

7. The cold header with the rapid die replacement function of claim 6, wherein a limiting block (305) is movably connected to the outer side wall of the connecting plate (304), a telescopic air pump (306) is fixedly arranged on the outer side wall of the connecting plate (304), and a pneumatic clamp (307) is fixedly arranged on the outer side wall of the telescopic air pump (306).