CN223352723U - A stamping device - Google Patents

Abstract

The utility model provides a stamping device, which relates to the field of automobile part machining and comprises a stamping table (10), a positioning mechanism, a turntable (30), a fixing mechanism, a support (50), a top plate (60), a lifting plate (70), an upper die (80) and a lower die (90), wherein the positioning mechanism is arranged on the top surface of the stamping table (10), the lower die (90) is arranged on the end surface of the stamping table (10), the turntable (30) is arranged in the inner cavity of the stamping table (10) in a rotating mode, the fixing mechanism is uniformly distributed around the lower die (90) and comprises sliding blocks (41), positioning pins (42) and guide rods (43), the top plate (60) is arranged on the outer ring of the end surface of the stamping table (10) through the support (50), the lifting plate (70) is arranged in the middle of the top plate (60) through a hydraulic cylinder (61), and the upper die (80) corresponding to the lower die (90) is arranged on the bottom surface of the lifting plate (70). The stamping device is used for replacing the forming die according to the sizes of different parts, and the application range of the stamping device is effectively widened.

Description

Stamping device

Technical Field

The utility model relates to the technical field of automobile part machining, in particular to a stamping device.

Background

The stamping device is a process device for processing materials into parts, and mainly relies on a press machine to apply pressure to a die to plate, strip, pipe, section bar and the like, so that the materials are subjected to plastic deformation or separation, and parts with specific shapes and sizes are obtained. In the automobile production process, a large number of parts (such as a front end cover, an air cylinder and the like) are obtained through a stamping device, and a combined automobile part stamping die is disclosed in China patent document CN221694996U, and the combined automobile part stamping die is matched with a buffer sleeve, a movable rod and a buffer spring to be used, so that the upper die can be buffered and protected, the service life of the upper die is prolonged, the buffer performance of the lower die is improved through the buffer piece, the protection effect of the lower die is achieved, and the stability of a stamping mechanism is improved through the matched use of a guide sliding sleeve and a support column. Meanwhile, the combined automobile part stamping die is only used for fixing and positioning the lower die through a die groove, the fixing effect is poor, and in the die clamping and stamping processes of the upper die and the lower die, the lower die is easy to deviate due to the extrusion force, so that the stamping forming precision is low, the error is large, and even the problems of film combination or stamping failure and the like can occur.

Disclosure of utility model

The utility model aims to solve the problems in the prior art, and provides a stamping device which can replace and disassemble a forming die (comprising an upper die and a lower die) according to the sizes of different parts, so that the application range and adaptability of the stamping device are improved, and meanwhile, the stamping device can stably position the die and avoid the problems of die deflection and the like caused by extrusion force in the stamping process.

The aim of the utility model is achieved by the following technical scheme:

A stamping device comprises a stamping table, a positioning mechanism, a rotary table, a fixing mechanism, a support, a top plate, a lifting plate, an upper die and a lower die, wherein the positioning mechanism is arranged in the middle of the top surface of the stamping table and used for positioning the lower die, the lower die is arranged on the end surface of the stamping table, the bottom of the lower die corresponds to the positioning mechanism and is provided with a through positioning groove, the inner cavity of the stamping table is rotationally provided with the rotary table, the fixing mechanism is uniformly distributed on the outer ring of the lower die (namely, the lower die) around the central axis of the lower die, the fixing mechanism comprises a sliding block, a positioning pin and a guide rod, the sliding block is arranged on the end surface of the stamping table in a sliding manner, the middle of one side of the sliding block, which is close to the lower die, is provided with the positioning pin, the side wall of the lower die corresponds to the positioning pin, the guide rod is fixedly arranged on the bottom surface of the sliding block, the stamping table is positioned on the upper side and the lower side of the rotary table and corresponds to the guide rod and is provided with a horizontal groove, the guide rod is correspondingly provided with the arc groove, the guide rod sequentially penetrates through the corresponding horizontal groove and the arc groove, the outer ring of the stamping table is provided with the top plate (namely, the stamping table) in parallel with the support, the middle part, the upper die and the sliding block is arranged on the upper side and the sliding block is.

Based on the further optimization of above-mentioned scheme, punching press platform bottom corresponds and is provided with four supporting legs, and the supporting legs passes through bolt and punching press platform bottom threaded connection, ensures the adjustable and the dismantlement of supporting legs.

Based on further optimization of the scheme, the positioning mechanism comprises a positioning block, a jacking cylinder, a push rod and a first spring, wherein the positioning block is coaxially arranged on the end face of the stamping table and fixedly connected with the stamping table, the jacking cylinder is sleeved on the outer wall of the positioning block in a sliding manner and is collinear with the central axis of the positioning block, the push rod is coaxially arranged with the positioning block and fixedly connected with the jacking cylinder, the lower end of the push rod sequentially penetrates through the positioning block and the stamping table and is fixedly provided with a first limiting block at the end part of the lower end of the push rod, and the first spring is arranged between the top face of the positioning block and the top face of the inner side of the jacking cylinder and positioned on the outer ring of the push rod.

Based on the further optimization of above-mentioned scheme, the spring groove is offered at the side middle part that the sliding block is close to the bed die, and the sliding in spring groove sets up the locating pin and the locating pin is kept away from between one end and the corresponding spring groove of bed die through the second spring connection.

Based on the further optimization of above-mentioned scheme, the dead lever is located the tip fixed second stopper that sets up of punching press platform downside and second stopper and punching press platform bottom surface sliding connection.

According to the scheme, the rotary table is controlled to rotate through the driving mechanism arranged on the stamping table, and specifically comprises a rotary sleeve, a first gear, a gear rod and a second gear, wherein a through hole is formed in the middle of the rotary table (namely, the cross section of the rotary table is of an annular structure), the rotary sleeve is arranged corresponding to the through hole and is in rotary connection with the inner side of the stamping table, the bottom of the rotary sleeve penetrates through the bottom surface of the inner cavity of the stamping table and is in rotary connection with the ejector rod, the rotary sleeve is coaxially arranged and is penetrated by the ejector rod, the outer wall of the rotary sleeve is fixedly sleeved with the first gear, the side wall of the through hole of the rotary table is fixedly sleeved with an inner gear ring, a second gear is arranged between the first gear and the inner gear ring and is respectively meshed with the first gear and the inner gear ring, and the second gear is fixedly sleeved on the outer wall of the gear rod and is rotatably arranged in the inner cavity of the stamping table.

Based on the further optimization of above-mentioned scheme, the lifter plate corresponds the both sides of support and fixedly sets up the slider respectively, and vertical groove is seted up to support opposite side, and slider slip joint is in corresponding vertical inslot to ensure the stability of going up the mould and going up and down.

Based on the further optimization of above-mentioned scheme, the lifter plate bottom surface is fixed to be set up the mounting panel, and the mounting panel bottom can be dismantled and set up the mould.

The following technical effects are provided by the utility model:

The application realizes the preliminary center positioning of the lower die in the process of placing the end face of the stamping table through the arrangement of the positioning mechanism, and then realizes the clamping and fixing of the lower die placed on the end face of the stamping table through the driving of the turntable by utilizing the fixing mechanism consisting of the sliding block, the positioning pin and the guide rod, thereby avoiding the problems of deflection, influence on stamping precision and the like of the lower die due to extrusion force in the stamping process. Meanwhile, the fixing mechanism formed by the sliding block, the locating pin and the guide rod is matched with the locating mechanism, so that the stamping device can effectively adapt to lower dies corresponding to different sizes, is matched with the detachable connection between the upper die and the lifting plate, is convenient for corresponding replacement between the upper die and the lower die, and is suitable for stamping of different automobile parts.

Drawings

Fig. 1 is a schematic structural view of a stamping device according to an embodiment of the present utility model (i.e., embodiment 1).

Fig. 2 is a cross-sectional view taken along A-A of fig. 1.

Fig. 3 is a partial enlarged view of B in fig. 1.

Fig. 4 is a partial enlarged view of C in fig. 1.

Fig. 5 is a schematic structural view of a stamping device according to another embodiment of the present utility model (i.e., embodiment 2).

The device comprises 10 parts of a stamping table, 11 parts of a supporting foot, 21 parts of a positioning block, 22 parts of a jacking cylinder, 23 parts of a top plate, 230 parts of a first limiting block, 24 parts of a first spring, 30 parts of a turntable, 31 parts of a rotating sleeve, 32 parts of a first gear, 33 parts of a gear rod, 34 parts of a second gear, 35 parts of an arc-shaped groove, 41 parts of a sliding block, 410 parts of a second spring, 42 parts of a positioning pin, 43 parts of a guiding rod, 430 parts of a second limiting block, 50 parts of a bracket, 60 parts of a top plate, 61 parts of a hydraulic cylinder, 70 parts of a lifting plate, 71 parts of a sliding block, 72 parts of a mounting plate, 720 parts of a buffer, 80 parts of an upper die, 90 parts of a lower die.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1:

The stamping device comprises a stamping table 10, a positioning mechanism, a turntable 30, a fixing mechanism, a bracket 50, a top plate 60, a lifting plate 70, an upper die 80 and a lower die 90, wherein four supporting feet 11 are correspondingly arranged at the bottom of the stamping table 10, the supporting feet 11 are in threaded connection with the bottom of the stamping table 10 through bolts, and the supporting feet 11 are enabled to be adjustable and detachable (meanwhile, in order to avoid the problems of deformation, fracture and the like caused by repeated extrusion of the supporting feet 11 and the ground in the stamping process, a buffer rubber cushion is arranged at the bottom of the supporting feet 11, and the buffer rubber cushion is a conventional product in the field. The middle part of the top surface of the stamping table 10 is provided with a positioning mechanism for positioning the lower die 90, the positioning mechanism comprises a positioning block 21, a jacking cylinder 22 and a push rod 23, the positioning block 21 is coaxially arranged on the end surface of the stamping table 10 (namely, the positioning block 21 is in the same line with the central axis of the stamping table 10), the positioning block 21 is fixedly connected with the stamping table 10, the jacking cylinder 22 is slidably sleeved on the outer wall of the positioning block 21 and the central axis of the jacking cylinder 22 is in the same line with the central axis of the positioning block 21 (shown in figure 3), the push rod 23 is coaxially arranged with the positioning block 21, the upper end of the push rod 23 is fixedly connected with the jacking cylinder 22 (shown in figure 3), the lower end of the push rod 23 sequentially penetrates through the positioning block 21 and the stamping table 10, the end part of the lower end of the push rod is fixedly provided with a first limiting block 230 (shown in figure 1), the top surface of the positioning block 21 is arranged between the top surface of the inner side of the jacking cylinder 22 and the top surface of the push rod 23, and the outer ring of the push rod 23 is provided with a first spring 24 (shown in figure 3, the upper end and the lower end of the first spring 24 is respectively in the same line with the inner top surface of the jacking cylinder 22, and the top surface of the positioning block 21 is fixedly connected. The lower die 90 is disposed on an end surface of the stamping table 10, and a positioning slot (shown in fig. 1 and 3) is formed at the bottom of the lower die and corresponds to the positioning mechanism (specifically, corresponds to the jacking cylinder 22) and penetrates through the positioning slot.

The inner cavity of the stamping table 10 is rotatably provided with a turntable 30 (as shown in fig. 1, the outer wall of the turntable 30 is sleeved with a ball bearing to realize rotary connection with the inner cavity of the stamping table), fixing mechanisms are uniformly distributed on the outer ring (namely, the number of the fixing mechanisms is multiple groups, generally 4-8 groups, as shown in fig. 2, 6 groups of fixing mechanisms are adopted in the embodiment) of the fixing mechanisms around the central axis of the lower die 90, the fixing mechanisms comprise sliding blocks 41, positioning pins 42 and guide rods 43, the sliding blocks 41 are arranged on the end face of the stamping table 10 in a sliding manner, the middle part of one side of the sliding blocks 41, which is close to the lower die 90, is provided with positioning pins 42, the middle part of one side of the sliding blocks 41, which is close to the lower die 90, is provided with spring grooves in a sliding manner, and one end, which is far away from the lower die 90, of the positioning pins 42 are connected with the corresponding spring grooves through second springs 410. The side wall of the lower mold 90 is provided with a fixing groove corresponding to the locating pin 42 (the locating pin 42 can be clamped in the corresponding fixing groove, as shown in fig. 4; meanwhile, in order to ensure the stability of clamping and locating, the locating pin 42 can be in a spline structure, the fixing groove is correspondingly provided with a spline groove), the bottom surface of the sliding block 41 is fixedly provided with a guide rod 43, the stamping table 10 is positioned on the upper side and the lower side of the turntable 30, the corresponding guide rod 43 is provided with a horizontal groove, the turntable 30 is provided with an arc groove 35 (as shown in fig. 2) corresponding to the guide rod 43, the guide rod 43 sequentially penetrates through the corresponding horizontal groove and the arc groove (and the guide rod 43 is in sliding connection with the corresponding horizontal groove and the arc groove), the end part of the guide rod 43 positioned on the lower side of the stamping table 10 is fixedly provided with a second limiting block 430, and the second limiting block 430 is in sliding connection with the bottom surface of the stamping table 10 (offset is avoided in the sliding process of the guide rod 43). The turntable 30 is controlled to rotate by a driving mechanism arranged on the stamping table 10, specifically, the driving mechanism comprises a rotating sleeve 31, a first gear 32, a gear rod 33 and a second gear 34, a through hole is arranged in the middle of the turntable 30 (namely, the cross section of the turntable 30 is of an annular structure, as shown in fig. 1 and 2), the rotating sleeve 31 is arranged corresponding to the through hole, the top end of the rotating sleeve is rotationally connected with the inner side of the stamping table 10 (as shown in fig. 1), the bottom of the rotating sleeve penetrates through the bottom surface of the inner cavity of the stamping table 10 and is rotationally connected with the ejector rod 23, the rotating sleeve 31 and the ejector rod 23 are coaxially arranged, the rotating sleeve 31 is penetrated by the ejector rod 23 (as shown in fig. 1), the outer wall of the ejector rod 23 is not contacted with the inner wall of the rotating sleeve 31), the outer wall of the rotating sleeve 31 (corresponding to the turntable 30) is fixedly sleeved with the first gear 32, an annular gear ring is fixedly sleeved on the side wall of the through hole of the turntable 30, a second gear 34 is arranged between the first gear 32 and the annular ring gear is meshed with the first gear 32 and the annular gear ring, the second gear 34 is fixedly sleeved on the outer wall of the annular gear 33, and the annular ring is rotationally arranged in the inner cavity of the stamping table 10 (as shown in fig. 1).

The outer ring of the end surface of the stamping table 10 is provided with a top plate 60 parallel to the stamping table (namely the stamping table 10) through a bracket 50, the middle part of the top plate 60 is provided with a lifting plate 70 through a hydraulic cylinder 61, and the middle part of the bottom surface of the lifting plate 70 is provided with an upper die 80 corresponding to the lower die 90. The lifting plate 70 is fixedly provided with sliding blocks 71 at two sides corresponding to the bracket 50, vertical grooves are formed at the opposite sides of the bracket 50, and the sliding blocks 71 are slidably clamped in the corresponding vertical grooves, so that the lifting stability of the upper die 80 is ensured. Referring to fig. 1, a mounting plate 72 is fixedly provided on the bottom surface of the lifting plate 70, and an upper mold 80 is detachably provided on the bottom of the mounting plate 72 (the upper mold 80 is connected to the mounting plate 72 by bolts), thereby ensuring the detachment of the upper mold 80.

Working principle:

In use, firstly, the fixing groove and the positioning groove of the lower die 90 are processed according to the size and the position of the positioning pin 42 and the size of the jacking cylinder 22 (this step can be performed while processing the forming groove of the lower die 90, and meanwhile, the communication between the positioning groove and the forming groove is ensured); then, the lower die 90 is placed on the end face of the stamping table 10, so that the jacking cylinder 22 is clamped in the positioning groove of the lower die 90, the sliding block 41 corresponds to the fixing groove respectively, and in the process, the upper die 80 is synchronously mounted on the mounting plate 72, so that the upper die 80 corresponds to the lower die 90; then, the rotary drum 31 is started to rotate (the rotary drum 31 can be driven to rotate by a motor gear mechanism arranged on the bottom surface of the stamping table 10, namely, a motor is fixedly arranged on the bottom surface of the stamping table 10, the outer wall of an output shaft of the motor is fixedly sleeved with a driving bevel gear, the outer wall of the rotary drum 31 positioned on the lower side of the bottom surface of the stamping table 10 is fixedly sleeved with a driven bevel gear, the driving bevel gear and the driven bevel gear are mutually meshed, thereby realizing the driving of the rotary drum 31), the rotary drum 31 drives the rotary disc 30 to rotate through a first gear 32 and a second gear 34, the rotary disc 30 drives a sliding block 41 to slide towards one side close to the lower die 90 through a guide rod 43, the positioning pin 42 is clamped and connected into a corresponding fixed groove of the lower die 90 gradually, so as to realize the clamping and fixing of the lower die 90), then, the ejector rod 23 is started to ascend (the driving of the ejector rod 23 can be realized through a pneumatic device or a hydraulic cylinder arranged on the bottom surface of the stamping table 10), the ejector rod 23 drives the lifting drum 22 to ascend (the first spring 24 to stretch) until the top surface of the lifting drum 23 and the bottom surface of a forming groove of the lower die 90 are mutually meshed, then, the material to be punched and then, the material to be placed on the lower die 90, the lifting plate 61 is placed and lifted and moved down by the hydraulic cylinder 61, the lifting plate 70 is started to move down and moved down and flush and moved down, the lifting plate 70 drives the upper die 80 to move downwards and is matched with the lower die 90 to realize the stamping forming of the material to be stamped. Finally, the upper die 80 is separated from the lower die 90, the driver (i.e. the pneumatic device or the hydraulic cylinder) of the ejector rod 23 is decompressed, the jacking cylinder 22 moves downwards under the action of the first spring 24, and then the driver (i.e. the pneumatic device or the hydraulic cylinder) of the ejector rod 23 is started to enable the jacking cylinder 22 to move upwards, so that the reciprocating circulation is realized, the vibration is formed on the parts in the forming grooves, and the unloading of the parts is facilitated.

Example 2:

As a further optimization of the scheme of the present utility model, in order to avoid impact damage caused by long-time stamping to the die (i.e., the upper die 80 and the lower die 90) itself, as shown in fig. 5, on the basis of the scheme of embodiment 1, the mounting plate 72 and the lifting plate 70 are connected through buffers 720 uniformly distributed around the central axis of the lifting plate 70 (i.e., the buffers 720 are multiple groups, generally 3-6 groups), the buffers 720 comprise a buffer sleeve, a movable rod and a buffer spring, the top end of the buffer sleeve is fixedly connected with the lifting plate 70, the bottom end of the movable rod is fixedly connected with the mounting plate 72, the movable rod is coaxially arranged with the buffer sleeve, one end of the movable rod, which is far away from the mounting plate 72, is slidably arranged on the inner wall of the buffer sleeve, the upper end of the movable rod is connected with the inner cavity of the buffer sleeve through the buffer spring, the buffer layer is arranged between the positioning mechanism and the support 50 (i.e., between the outer wall of the lifting cylinder 22 and the support 50) on the end of the stamping table 10, the buffer layer is provided with through grooves corresponding to the horizontal grooves, the buffer layer is sequentially formed by an elastic plate, a bonding layer and a polyethylene plate, and the bonding layer and the polyethylene plate, and the elastic plate, and the bonding layer and the polyethylene plate are integrally formed.

Claims (8)

1. A stamping device is characterized by comprising a stamping table, a positioning mechanism, a rotary table, a fixing mechanism, a support, a top plate, a lifting plate, an upper die and a lower die, wherein the positioning mechanism is arranged in the middle of the top surface of the stamping table, the lower die is arranged on the end surface of the stamping table, the bottom of the lower die corresponds to the positioning mechanism and is provided with a through positioning groove, the rotary table is rotatably arranged in an inner cavity of the stamping table, the fixing mechanism is uniformly distributed on the outer periphery of the lower die around the central axis of the lower die, the fixing mechanism comprises a sliding block, a positioning pin and a guide rod, the sliding block is arranged on the end surface of the stamping table in a sliding manner, the middle of one side of the sliding block, which is close to the lower die, is provided with the positioning pin, the side wall of the lower die corresponds to the positioning pin and is provided with the fixing groove, the guide rod is fixedly arranged on the bottom surface of the sliding block, the stamping table is positioned on the upper side and the lower side of the rotary table and corresponds to the guide rod and is provided with a horizontal groove, the guide rod sequentially penetrates through the corresponding horizontal groove and the arc groove, the outer ring of the stamping table is provided with a top plate which is parallel to the upper plate through the support, the lifting plate is arranged in the middle of the end surface of the top plate through the hydraulic cylinder and the lifting plate.

2. The stamping device of claim 1, wherein four supporting legs are correspondingly arranged at the bottom of the stamping table and are in threaded connection with the bottom of the stamping table through bolts.

3. The stamping device of claim 1, wherein the positioning mechanism comprises a positioning block, a jacking cylinder, a push rod and a first spring, wherein the positioning block is coaxially arranged on the end face of the stamping table and fixedly connected with the stamping table, the jacking cylinder is slidably sleeved on the outer wall of the positioning block and is collinear with the central axis of the positioning block, the push rod is coaxially arranged with the positioning block and fixedly connected with the jacking cylinder, the lower end of the push rod sequentially penetrates through the positioning block and the stamping table, the end part of the lower end of the push rod is fixedly provided with a first limiting block, and the first spring is arranged between the top face of the positioning block and the top face of the inner side of the jacking cylinder and positioned on the outer ring of the push rod.

4. The stamping device of claim 1, wherein the middle of one side of the sliding block, which is close to the lower die, is provided with a spring groove, a positioning pin is arranged in the spring groove in a sliding manner, and one end, which is far away from the lower die, of the positioning pin is connected with the corresponding spring groove through a second spring.

5. The stamping device of claim 1, wherein the end of the guide rod, which is positioned at the lower side of the stamping table, is fixedly provided with a second limiting block which is in sliding connection with the bottom surface of the stamping table.

6. A stamping device is characterized in that the turntable controls rotation of the turntable through a driving mechanism arranged on a stamping table, the driving mechanism comprises a rotary sleeve, a first gear, a gear rod and a second gear, a through hole is formed in the middle of the turntable, the rotary sleeve is arranged corresponding to the through hole and is in rotary connection with the inner side of the stamping table, the bottom of the rotary sleeve penetrates through the bottom surface of an inner cavity of the stamping table and is in rotary connection with the ejector rod, the rotary sleeve is coaxially arranged with the ejector rod and is penetrated by the ejector rod, the outer wall of the rotary sleeve is fixedly sleeved with the first gear, the side wall of the through hole of the turntable is fixedly sleeved with an inner gear ring, a second gear is arranged between the first gear and the inner gear ring and is respectively meshed with the first gear and the inner gear ring, and the second gear is fixedly sleeved on the outer wall of the gear rod and is rotatably arranged in the inner cavity of the stamping table.

7. The stamping device of claim 1, wherein the lifting plate is fixedly provided with sliding blocks on two sides corresponding to the support respectively, vertical grooves are formed on the opposite sides of the support, and the sliding blocks are slidably clamped in the corresponding vertical grooves.

8. The stamping device of claim 1, wherein the bottom surface of the lifting plate is fixedly provided with a mounting plate, and the bottom of the mounting plate is detachably provided with an upper die.