CN114800691B - Stamping die is used in production of heat exchanger sealing gasket - Google Patents
Stamping die is used in production of heat exchanger sealing gasket Download PDFInfo
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- CN114800691B CN114800691B CN202210456198.9A CN202210456198A CN114800691B CN 114800691 B CN114800691 B CN 114800691B CN 202210456198 A CN202210456198 A CN 202210456198A CN 114800691 B CN114800691 B CN 114800691B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
A stamping die for producing heat exchanger sealing gaskets belongs to the technical field of stamping and aims to solve the problem that part of sealing gaskets possibly need to be stamped for a plurality of times due to the special shape of the sealing gaskets; according to the invention, the first shell is led to approach the stamping shell through the extension of the hydraulic device, the outer edge shape of the sealing gasket is cut when the first shell is sleeved on the outer wall of the stamping shell to move, and as the hydraulic device continues to extend, the L-shaped rod extrudes one end of the rotating rod to enable the ejector block to extrude the connecting plate, so that the first stamping block, the second stamping block and the stamping plate stamp the inner edge shape of the sealing gasket.
Description
Technical Field
The invention relates to the technical field of stamping, in particular to a stamping die for producing a heat exchanger sealing gasket.
Background
The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, also called heat exchanger, which plays an important role in chemical industry, petroleum, power, food and other industrial production, and can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry.
The sealing gasket in the heat exchanger is generally formed in a stamping mode in production, the outer edge of the sealing gasket is required to be stamped in the production process, secondary stamping is required to be performed to empty the interior after the primary stamping is finished, multiple stamping is possibly required to be performed on part of the sealing gasket due to the special shape of the sealing gasket, the operation is complex, the existing sealing gasket raw material is rolled up through a roller, discharging is performed through the rotation of the roller in the discharging process, the discharging speed is not constant enough, the waste of the raw material is easily caused, and in addition, after the stamping is finished, in order to avoid the effect of leftover materials on the next stamping forming step, a rolling device is required to be additionally arranged to roll the rest leftover materials.
To solve the above problems. For this purpose, a stamping die for producing heat exchanger gaskets is proposed.
Disclosure of Invention
The invention aims to provide a stamping die for producing a sealing gasket of a heat exchanger, which solves the problems that in the prior art, the sealing gasket in the heat exchanger is generally formed in a stamping mode in production, the outer edge of the sealing gasket needs to be stamped in the production process, the inner part of the sealing gasket needs to be hollowed out after the first stamping is finished, part of the sealing gasket possibly needs to be stamped for multiple times due to the special shape of the sealing gasket, the operation is complicated, the existing sealing gasket raw material is coiled through a coiling roller, the discharging is carried out through the rotation of the coiling roller in the discharging process, the discharging speed is not constant enough, the waste of raw materials is easy to be caused, and in addition, after the stamping is finished, coiling equipment is needed to be additionally arranged to coil the rest of the leftover materials in order to avoid the influence of the leftover materials on the next stamping forming step.
In order to achieve the above purpose, the present invention provides the following technical solutions: the stamping mechanism comprises a supporting component, a first die and a second die, wherein the supporting component comprises a bottom plate, a frame and a collecting box which are fixedly connected to the top of the bottom plate, a hydraulic device is fixedly connected to the inner side of the frame, the first die comprises a first shell fixedly connected to the output end of the hydraulic device, and L-shaped rods are fixedly connected to the outer walls of the two ends of the first shell;
the first die further comprises an inner edge forming shell which is connected to the inner wall of the first shell in a sliding manner, a first movable plate, a second movable plate and a third movable plate are connected to the inner side of the inner edge forming shell in a sliding manner, a first top plate is fixedly connected to one side of the inner edge forming shell from top to bottom, a second top plate is fixedly connected to one side of the first movable plate, springs are fixedly connected between the first top plate, the second movable plate and the third movable plate and the inner wall of the first shell, and the size of the springs on the first top plate is larger than that of the springs on the second top plate, the second movable plate and the third movable plate;
the second mould includes the fixed plate of fixed connection at the frame other end, the inboard fixedly connected with punching press casing of fixed plate, and punching press casing is corresponding with the shaping casing of inner edge, the inside sliding connection of punching press casing has first punching press piece, second punching press piece and punching press board, first punching press piece, one side of second punching press piece and punching press board is connected with the connecting plate through the head rod, the second mould still includes the rotating turret around the fixed plate outside of fixed connection, rotate on the rotating turret and be connected with the dwang, fixedly connected with first reset spring between the inboard of dwang and the fixed plate, the other end fixedly connected with kicking block of dwang.
Further, unloading mechanism includes unloading subassembly, drive assembly and direction subassembly, and unloading subassembly includes the pillar of fixed connection around the bottom plate top, and the top fixedly connected with extension board of pillar, evenly distributed has the ball in the middle of the bottom of extension board.
Further, the unloading subassembly still includes the second connecting rod of fixed connection in the extension board outside, is provided with the spout on the second connecting rod, the inside sliding connection of spout has the slider, two sets of the slider between rotate and be connected with the roller, fixedly connected with first compression spring between the bottom of slider and the bottom of spout.
Further, the driving assembly comprises a support fixedly connected to the top of the support plate, a motor is fixedly connected between the supports, and the output end of the motor is fixedly connected with a sector gear.
Further, the guide assembly comprises a fourth movable plate movably arranged between the two groups of support plates, a connecting column is fixedly connected to the top of the fourth movable plate, limit rods are fixedly connected to the two ends of the fourth movable plate, friction plates are connected to the bottom of the fourth movable plate through second compression springs, and the guide assembly further comprises limit plates, a first inclined plate and a second inclined plate which are arranged on the inner sides of the support plates.
Further, the driving assembly further comprises a connecting sheet fixedly connected to the top of the connecting column, an arc-shaped plate is fixedly connected to the top of the connecting sheet, and tooth grooves corresponding to the sector gears are formed in two sides of the inner portion of the arc-shaped plate.
Further, the cutting mechanism comprises a limiting assembly and a cutting assembly, the limiting assembly comprises a limiting baffle plate which is connected to the stamping shell in a sliding mode, a driving roller is arranged at the top of the limiting baffle plate, and a guide rod is fixedly connected to one side, close to the fixing plate, of the limiting baffle plate.
Further, the guide rod is connected with a guide block in a sliding manner, the guide block is fixedly connected with the fixing plate, a third compression spring is sleeved on the guide rod, and the third compression spring is located between the limit baffle and the guide block.
Further, the cutting assembly comprises a connecting frame fixedly connected to the support column, the other end of the connecting frame is fixedly connected with a limiting shaft, and the limiting baffle is fixedly connected with a C-shaped frame.
Further, the cutting assembly further comprises a fixed rod fixedly connected to the front side and the rear side of the limit baffle, the fixed rod is rotatably connected with a movable rod, one end of the movable rod corresponds to the limit shaft, a groove is formed in the inner side of the fixed rod, a sliding block is connected in the groove in a sliding mode, a second reset spring is fixedly connected between the sliding block and the inner wall of the groove, one side of the sliding block is fixedly connected with a connecting shaft corresponding to the other end of the movable rod, and two groups of cutting blades are fixedly connected to the other side of the sliding block.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the stamping die for producing the heat exchanger sealing gasket, the first shell is led to approach the stamping shell through the extension of the hydraulic device, the outer edge shape of the sealing gasket is cut when the first shell is sleeved on the outer wall of the stamping shell to move, the L-shaped rod extrudes one end of the rotating rod along with the extension of the hydraulic device to enable the ejector block to extrude the connecting plate, the first stamping block, the second stamping block and the stamping plate stamp the inner edge shape of the sealing gasket, and the size of the spring at the rear end of the first top plate is larger than that of the spring at the rear ends of the second top plate, the second movable plate and the third movable plate, so that the sealing gasket among the first stamping block, the second stamping block, the stamping plate, the second top plate, the second movable plate and the third movable plate is divided, and finally, the sealing gasket is reserved between the inner edge forming shell and the stamping shell.
2. According to the stamping die for producing the heat exchanger sealing gasket, after one stamping is finished, the motor is started, the sector gears of the motor are sequentially meshed with tooth grooves on two sides of the inside of the arc plate when the motor rotates at the inner edge of the arc plate, so that the arc plate and the connecting sheet reciprocate, the connecting sheet drives the fourth movable plate to move left and right, the fourth movable plate moves downwards under the action of the second inclined plate and the limiting plate, the limiting rod enables the friction plate to contact with the top of the sealing gasket raw material on the roller, the roller is driven to rotate under the rotation of the motor, the blanking length of the roller is equal to the side length of the friction plate, the limiting rod moves to the right side of the first inclined plate in the continuous rotation process of the motor, the limiting rod moves upwards to the top of the first inclined plate under the reset action of the second compression spring, the limiting rod moves on the top of the first inclined plate and the limiting plate in the leftward process of the fourth movable plate, and the top of the friction plate at the moment is not contacted with the top of the sealing gasket raw material on the roller, and the waste is avoided.
3. According to the stamping die for producing the heat exchanger sealing gasket, the first shell extrudes the limit baffle when moving towards the stamping shell in the stamping process, so that the limit baffle slides on the stamping shell, at the moment, one end of the top of the movable rod is in contact with the limit shaft, the movable rod rotates around the fixed rod, the other end of the movable rod extrudes the connecting shaft, the sliding block drives the cutting blade to slide on the inner side of the fixed rod, finally the cutting blade is used for cutting the sealing gasket raw material, after stamping is finished, the stamped sealing gasket and leftover materials finally fall into the collecting box, under the action of the blanking mechanism, the sealing gasket raw material falls downwards between the first shell and the stamping shell from the C-shaped frame to prepare for the next stamping, and the problem that the residual leftover materials are wound by winding equipment after the stamping is finished is solved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a stamping mechanism according to the present invention;
FIG. 3 is a schematic view of a support assembly according to the present invention;
FIG. 4 is a schematic view of a first mold structure according to the present invention;
FIG. 5 is a second mold structure split of the present invention;
FIG. 6 is a structural exploded view of the blanking mechanism of the present invention;
FIG. 7 is a schematic diagram of a blanking assembly according to the present invention;
FIG. 8 is a schematic diagram of a driving assembly according to the present invention;
FIG. 9 is a schematic view of a guide assembly according to the present invention;
FIG. 10 is a schematic view of a cutting mechanism according to the present invention;
FIG. 11 is a schematic view of a spacing assembly according to the present invention;
FIG. 12 is a schematic view of a cutting assembly according to the present invention;
fig. 13 is an enlarged view of the structure of fig. 12 a in accordance with the present invention.
In the figure: 1. a punching mechanism; 11. a support assembly; 111. a bottom plate; 112. a frame; 113. a hydraulic device; 114. a collection box; 12. a first mold; 121. a first housing; 122. an L-shaped rod; 123. forming a shell at the inner edge; 124. a first movable plate; 125. a first top plate; 126. a second top plate; 127. a second movable plate; 128. a third movable plate; 13. a second mold; 131. a fixing plate; 132. stamping the shell; 133. a first punch block; 134. a second punching block; 135. a stamping plate; 136. a first connecting rod; 1361. a connecting plate; 137. a rotating frame; 138. a rotating lever; 1381. a first return spring; 1382. a top block; 2. a blanking mechanism; 21. a blanking assembly; 211. a support post; 212. a support plate; 213. a ball; 214. a second connecting rod; 215. a chute; 216. a slide block; 217. a roller; 218. a first compression spring; 22. a drive assembly; 221. a bracket; 222. a motor; 223. a sector gear; 224. an arc-shaped plate; 225. tooth slots; 226. a connecting sheet; 23. a guide assembly; 231. a fourth movable plate; 232. a connecting column; 233. a limit rod; 234. a limiting plate; 235. a first swash plate; 236. a second swash plate; 237. a second compression spring; 238. a friction plate; 3. a cutting mechanism; 31. a limit component; 311. a limit baffle; 312. a driving roller; 313. a guide rod; 314. a guide block; 315. a third compression spring; 32. a cutting assembly; 321. a connecting frame; 322. a limiting shaft; 323. a C-shaped frame; 324. a fixed rod; 325. a movable rod; 326. a connecting shaft; 327. a sliding block; 328. a cutting blade; 329. and a second return spring.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to solve the technical problems that a sealing gasket in a heat exchanger is generally molded in a stamping mode in production, the outer edge of the sealing gasket needs to be stamped in the production process, the interior of the sealing gasket needs to be hollowed out through secondary stamping after the primary stamping is finished, and part of the sealing gasket possibly needs to be stamped for multiple times due to the special shape of the sealing gasket, and the operation is complicated, the following preferable technical scheme is provided as shown in fig. 1-5:
the stamping die for producing the heat exchanger sealing gasket comprises a stamping mechanism 1, a blanking mechanism 2 and a cutting mechanism 3 which are arranged on the stamping mechanism 1, wherein the stamping mechanism 1 comprises a supporting component 11, a first die 12 and a second die 13, the supporting component 11 comprises a bottom plate 111, a frame 112 and a collecting box 114 which are fixedly connected to the top of the bottom plate 111, a hydraulic press 113 is fixedly connected to the inner side of the frame 112, the first die 12 comprises a first shell 121 fixedly connected to the output end of the hydraulic press 113, and L-shaped rods 122 are fixedly connected to the outer walls of the two ends of the first shell 121;
the first mold 12 further comprises an inner edge forming shell 123 slidably connected to the inner wall of the first casing 121, a first movable plate 124, a second movable plate 127 and a third movable plate 128 are slidably connected to the inner side of the inner edge forming shell 123, a first top plate 125 is fixedly connected to one side of the inner edge forming shell 123 up and down, a second top plate 126 is fixedly connected to one side of the first movable plate 124, springs are fixedly connected between the first top plate 125, the second top plate 126, the second movable plate 127 and the third movable plate 128 and the inner wall of the first casing 121, and the size of the springs on the first top plate 125 is larger than that of the springs on the second top plate 126, the second movable plate 127 and the third movable plate 128;
the second die 13 comprises a fixed plate 131 fixedly connected to the other end of the frame 112, a stamping shell 132 is fixedly connected to the inner side of the fixed plate 131, the stamping shell 132 corresponds to the inner edge forming shell 123, a first stamping block 133, a second stamping block 134 and a stamping plate 135 are slidably connected to the inside of the stamping shell 132, one sides of the first stamping block 133, the second stamping block 134 and the stamping plate 135 are connected with a connecting plate 1361 through a first connecting rod 136, the second die 13 further comprises a rotating frame 137 fixedly connected to the front side and the rear side of the outer side of the fixed plate 131, a rotating rod 138 is rotatably connected to the rotating frame 137, a first reset spring 1381 is fixedly connected between the inner side of the rotating rod 138 and the fixed plate 131, and a top block 1382 is fixedly connected to the other end of the rotating rod 138.
Specifically, the first housing 121 is extended by the hydraulic device 113 to approach the punching housing 132, the outer edge shape of the sealing gasket is cut when the first housing 121 is sleeved on the outer wall of the punching housing 132 to move, along with the extension of the hydraulic device 113, the L-shaped rod 122 presses one end of the rotating rod 138 to enable the jacking block 1382 to squeeze the connecting plate 1361, so that the first punching block 133, the second punching block 134 and the punching plate 135 punch the inner edge shape of the sealing gasket, and as the size of the spring at the rear end of the first top plate 125 is larger than that of the spring at the rear end of the second top plate 126, the second movable plate 127 and the third movable plate 128, the sealing gasket between the first punching block 133, the second punching block 134 and the punching plate 135 and the second top plate 126, the second movable plate 127 and the third movable plate 128 is cut, and finally the sealing gasket is reserved between the inner edge forming housing 123 and the punching housing 132.
In order to solve the technical problems that the existing sealing gasket raw materials are wound by a winding roller, the discharging is carried out by rotating the winding roller in the discharging process, the discharging speed is not constant enough, and the raw materials are easy to waste, as shown in fig. 6-9, the following preferable technical scheme is provided:
the blanking mechanism 2 comprises a blanking assembly 21, a driving assembly 22 and a guiding assembly 23, wherein the blanking assembly 21 comprises a supporting column 211 fixedly connected to the front and rear of the top of a base plate 111, a supporting plate 212 is fixedly connected to the top of the supporting column 211, balls 213 are uniformly distributed in the middle of the bottom of the supporting plate 212, the blanking assembly 21 further comprises a second connecting rod 214 fixedly connected to the outer side of the supporting plate 212, a sliding groove 215 is formed in the second connecting rod 214, a sliding block 216 is slidably connected to the inside of the sliding groove 215, a roller 217 is rotatably connected between the two groups of sliding blocks 216, and a first compression spring 218 is fixedly connected between the bottom of the sliding block 216 and the bottom of the sliding groove 215.
The driving assembly 22 comprises a support 221 fixedly connected to the top of the support plates 212, a motor 222 is fixedly connected between the supports 221, the output end of the motor 222 is fixedly connected with a sector gear 223, the guiding assembly 23 comprises a fourth movable plate 231 movably arranged between two groups of support plates 212, the top of the fourth movable plate 231 is fixedly connected with a connecting column 232, two ends of the fourth movable plate 231 are fixedly connected with a limiting rod 233, the bottom of the fourth movable plate 231 is connected with a friction plate 238 through a second compression spring 237, and the guiding assembly 23 further comprises a limiting plate 234, a first inclined plate 235 and a second inclined plate 236 which are arranged on the inner side of the support plates 212.
The driving assembly 22 further comprises a connecting sheet 226 fixedly connected to the top of the connecting column 232, an arc plate 224 is fixedly connected to the top of the connecting sheet 226, and tooth grooves 225 corresponding to the sector gears 223 are formed in two inner sides of the arc plate 224.
Specifically, after one stamping is completed, the motor 222 is started, when the motor 222 rotates, the sector gear 223 rotates at the inner edge of the arc plate 224 to sequentially engage with the tooth grooves 225 on two sides inside the arc plate 224 to enable the arc plate 224 and the connecting sheet 226 to reciprocate, in the process that the connecting sheet 226 drives the fourth movable plate 231 to move from left to right, under the action of the second inclined plate 236 and the limiting plate 234, the fourth movable plate 231 is driven by the limiting rod 233 to move downwards, and the friction plate 238 is driven to contact with the top of the gasket raw material on the roller 217, under the rotation of the motor 222, the roller 217 is driven to rotate, the blanking length of the motor 222 is the side length of the friction plate 238, in the process that the motor 222 continues to rotate, the limiting rod 233 moves to the right side of the first inclined plate 235, and under the reset action of the second compression spring 237, the limiting rod 233 moves upwards to the top of the first inclined plate 235, in the process that the fourth movable plate 231 and the friction plate 238 move leftwards, the limiting rod 233 moves on the top of the first inclined plate 235 and the friction plate 238, and the friction plate 238 does not contact with the top of the gasket raw material on the roller 217.
In order to solve the technical problem that in order to avoid the effect of scraps on the next step of stamping forming after the stamping is completed, a winding device is additionally required to wind the residual scraps, as shown in fig. 10-13, the following preferred technical scheme is provided:
the cutting mechanism 3 comprises a limiting assembly 31 and a cutting assembly 32, the limiting assembly 31 comprises a limiting baffle 311 which is connected to a stamping shell 132 in a sliding mode, a driving roller 312 is arranged at the top of the limiting baffle 311, a guide rod 313 is fixedly connected to one side, close to the fixing plate 131, of the limiting baffle 311, a guide block 314 is connected to the guide rod 313 in a sliding mode, the guide block 314 is fixedly connected to the fixing plate 131, a third compression spring 315 is sleeved on the guide rod 313, and the third compression spring 315 is located between the limiting baffle 311 and the guide block 314.
The cutting assembly 32 comprises a connecting frame 321 fixedly connected to the supporting column 211, the other end of the connecting frame 321 is fixedly connected with a limiting shaft 322, a C-shaped frame 323 is fixedly connected to the limiting baffle 311, the cutting assembly 32 further comprises a fixing rod 324 fixedly connected to the front side and the rear side of the limiting baffle 311, a movable rod 325 is rotatably connected to the fixing rod 324, one end of the movable rod 325 corresponds to the limiting shaft 322, a groove is formed in the inner side of the fixing rod 324, a sliding block 327 is slidably connected in the groove, a second reset spring 329 is fixedly connected between the sliding block 327 and the inner wall of the groove, one side of the sliding block 327 is fixedly connected with a connecting shaft 326 corresponding to the other end of the movable rod 325, and cutting blades 328 are fixedly connected to the other sides of the sliding blocks 327 of the two groups.
Specifically, in the process of stamping, the first shell 121 extrudes the limit baffle 311 when moving to the stamping shell 132, so that the limit baffle 311 slides on the stamping shell 132, at this time, one end of the top of the movable rod 325 contacts with the limit shaft 322, so that the movable rod 325 rotates around the fixed rod 324, the other end of the movable rod 325 extrudes the connecting shaft 326, so that the sliding block 327 drives the cutting blade 328 to slide on the inner side of the fixed rod 324, finally, the cutting blade 328 cuts apart the gasket raw material, after stamping is completed, the stamped gasket and leftover materials finally fall into the inside of the collecting box 114, and under the action of the blanking mechanism 2, the gasket raw material falls down between the first shell 121 and the stamping shell 132 from the position between the C-shaped frame 323 and the limit baffle 311, so as to prepare for the next stamping.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should be covered by the protection scope of the present invention by making equivalents and modifications to the technical solution and the inventive concept thereof.
Claims (5)
1. The utility model provides a stamping die is used in production of heat exchanger sealed pad, includes stamping mechanism (1) and unloading mechanism (2) and cutting mechanism (3) of setting on stamping mechanism (1), its characterized in that: the stamping mechanism (1) comprises a supporting component (11), a first die (12) and a second die (13), wherein the supporting component (11) comprises a bottom plate (111) and a frame (112) and a collecting box (114) which are fixedly connected to the top of the bottom plate (111), a hydraulic press (113) is fixedly connected to the inner side of the frame (112), the first die (12) comprises a first shell (121) fixedly connected to the output end of the hydraulic press (113), and L-shaped rods (122) are fixedly connected to the outer walls of the two ends of the first shell (121);
the first die (12) further comprises an inner edge forming shell (123) which is connected to the inner wall of the first shell (121) in a sliding manner, a first movable plate (124), a second movable plate (127) and a third movable plate (128) are connected to the inner side of the inner edge forming shell (123) in a sliding manner, a first top plate (125) is fixedly connected to one side of the inner edge forming shell (123) up and down, a second top plate (126) is fixedly connected to one side of the first movable plate (124), springs are fixedly connected between the first top plate (125), the second top plate (126), the second movable plate (127) and the third movable plate (128) and the inner wall of the first shell (121), and the size of each spring on the first top plate (125) is larger than that of each spring on the second top plate (126), the second movable plate (127) and the third movable plate (128);
the second die (13) comprises a fixed plate (131) fixedly connected to the other end of the frame (112), a stamping shell (132) is fixedly connected to the inner side of the fixed plate (131), the stamping shell (132) corresponds to the inner edge forming shell (123), a first stamping block (133), a second stamping block (134) and a stamping plate (135) are connected to the inside of the stamping shell (132) in a sliding manner, a connecting plate (1361) is connected to one side of the first stamping block (133), one side of the second stamping block (134) and one side of the stamping plate (135) through a first connecting rod (136), the second die (13) further comprises a rotating frame (137) fixedly connected to the front side and the rear side of the outer side of the fixed plate (131), a rotating rod (138) is connected to the rotating frame (137) in a rotating manner, a first reset spring (1381) is fixedly connected between the inner side of the rotating rod (138) and the fixed plate (131), and a top block (1382) is fixedly connected to the other end of the rotating rod (138);
the blanking mechanism (2) comprises a blanking assembly (21), a driving assembly (22) and a guiding assembly (23), wherein the blanking assembly (21) comprises a support column (211) fixedly connected to the front and rear of the top of a bottom plate (111), a support plate (212) is fixedly connected to the top of the support column (211), and balls (213) are uniformly distributed in the middle of the bottom of the support plate (212);
the blanking assembly (21) further comprises a second connecting rod (214) fixedly connected to the outer side of the support plate (212), a sliding groove (215) is formed in the second connecting rod (214), a sliding block (216) is connected to the inside of the sliding groove (215) in a sliding mode, a winding roller (217) is connected between the two groups of sliding blocks (216) in a rotating mode, and a first compression spring (218) is fixedly connected between the bottom of the sliding block (216) and the bottom of the sliding groove (215);
the driving assembly (22) comprises a bracket (221) fixedly connected to the top of the support plate (212), a motor (222) is fixedly connected between the brackets (221), and a sector gear (223) is fixedly connected to the output end of the motor (222);
the guide assembly (23) comprises a fourth movable plate (231) movably arranged between the two groups of support plates (212), a connecting column (232) is fixedly connected to the top of the fourth movable plate (231), limit rods (233) are fixedly connected to the two ends of the fourth movable plate (231), friction plates (238) are connected to the bottom of the fourth movable plate (231) through second compression springs (237), and the guide assembly (23) further comprises limit plates (234), a first inclined plate (235) and a second inclined plate (236) which are arranged on the inner sides of the support plates (212);
the driving assembly (22) further comprises a connecting sheet (226) fixedly connected to the top of the connecting column (232), an arc-shaped plate (224) is fixedly connected to the top of the connecting sheet (226), and tooth grooves (225) corresponding to the sector gears (223) are formed in two sides of the inner portion of the arc-shaped plate (224).
2. The stamping die for producing heat exchanger gaskets as defined in claim 1, wherein: the cutting mechanism (3) comprises a limiting assembly (31) and a cutting assembly (32), the limiting assembly (31) comprises a limiting baffle plate (311) which is connected to the stamping shell (132) in a sliding mode, a driving roller (312) is arranged at the top of the limiting baffle plate (311), and a guide rod (313) is fixedly connected to one side, close to the fixing plate (131), of the limiting baffle plate (311).
3. The stamping die for producing heat exchanger gaskets as defined in claim 2, wherein: the guide rod (313) is connected with a guide block (314) in a sliding manner, the guide block (314) is fixedly connected with the fixed plate (131), a third compression spring (315) is sleeved on the guide rod (313), and the third compression spring (315) is located between the limit baffle (311) and the guide block (314).
4. A stamping die for producing heat exchanger gaskets as defined in claim 3, wherein: the cutting assembly (32) comprises a connecting frame (321) fixedly connected to the support column (211), the other end of the connecting frame (321) is fixedly connected with a limiting shaft (322), and the limiting baffle (311) is fixedly connected with a C-shaped frame (323).
5. The stamping die for producing heat exchanger gaskets of claim 4, wherein: the cutting assembly (32) further comprises a fixed rod (324) fixedly connected to one side of the limit baffle (311) and the other side of the limit baffle, a movable rod (325) is rotatably connected to the fixed rod (324), one end of the movable rod (325) corresponds to the limit shaft (322), a groove is formed in the inner side of the fixed rod (324), a sliding block (327) is slidably connected in the groove, a second reset spring (329) is fixedly connected between the sliding block (327) and the inner wall of the groove, one side of the sliding block (327) is fixedly connected with a connecting shaft (326) corresponding to the other end of the movable rod (325), and two groups of cutting blades (328) are fixedly connected to the other side of the sliding block (327).
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| CN202210456198.9A CN114800691B (en) | 2022-04-27 | 2022-04-27 | Stamping die is used in production of heat exchanger sealing gasket |
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| CN202210456198.9A CN114800691B (en) | 2022-04-27 | 2022-04-27 | Stamping die is used in production of heat exchanger sealing gasket |
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| CN114800691B true CN114800691B (en) | 2023-07-04 |
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| CN114800691A (en) | 2022-07-29 |
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