Hot pressing equipment with quick die changing structure

Abstract

The utility model discloses hot pressing equipment with a quick die changing structure, and particularly relates to the field of hot pressing, the hot pressing equipment comprises a workbench, a mounting groove is arranged at the center of the workbench, a hot pressing die is embedded in the middle of the mounting groove, clamping grooves are arranged on the outer walls of the two sides of the hot pressing die, and fixing mechanisms are arranged on the two sides of the mounting groove. The fixing mechanism comprises a movable cavity, a push plate, a clamping block, a spring, a rack, a rotating shaft, a gear and an adjusting knob; when the hot pressing die needs to be replaced, the adjusting knob can be twisted, the adjusting knob rotates to drive the rotating shaft to rotate synchronously, the rotating shaft rotates to drive the gear to move synchronously, and the gear rotates to drive the rack to move horizontally so as to pull the push plate to move horizontally towards the outer wall of the workbench. And the push plate moves to drive the clamping blocks to move synchronously, so that the clamping blocks move out of the clamping grooves, clamping connection between the hot pressing die and the workbench is omitted, and the hot pressing die can be replaced quickly.

Description

TECHNICAL FIELD

[0001] The utility model relates to hot press field, more specifically, the utility model relates to a hot press equipment with quick die changing structure. BACKGROUND

[0002] The hot press device is a kind of equipment for applying pressure while heating, for promoting the physical or chemical change of material in high temperature and high pressure environment, so as to achieve the purpose of forming or improving material performance.In the hot pressing process, the hot press machine usually uses hydraulic system or mechanical system to apply constant pressure, and maintains and controls the set temperature by heating element, so that the material can achieve the expected effect under the optimum process condition;

[0003] After searching, the existing patent (publication number: CN102189685A) discloses a hot pressing device for fixing a plastic part on a metal part provided with a reverse buckle, which comprises a bracket, a first air cylinder, a movable plate, a positioning plate, a heating plate, a plurality of movable positioning blocks and a plurality of small air cylinders.The bracket includes an upper plate, a pressing plate and a bottom plate.The first air cylinder is used to apply pressure to the pressing plate to control the pressing plate to drive the movable plate to move up and down;The positioning plate is used to position the assembled part after the metal part and the plastic part are glued;The heating plate is used to heat the positioning plate to generate heat conduction glue between the metal part and the plastic part, so as to glue the metal part and the plastic part.When the first air cylinder controls the pressing plate and movable plate to move downward and press the metal part and plastic part, the plurality of small air cylinders push the plurality of movable positioning blocks to press the plastic part into the reverse buckle part of the metal part, so that the plastic part and the metal part are in close contact and glued to fix.The inventor found that the prior art has the following problems in the process of realizing the utility model:

[0004] The hot press equipment often needs to be replaced after long-term use because the hot press die is seriously worn out, and the hot press equipment often needs tools to disassemble and replace the hot press die at the present stage;

[0005] Therefore, a hot press equipment with quick die changing structure is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a hot press equipment with quick die changing structure to solve the problems in the above background art.

[0007] To achieve the above object, the utility model provides the following technical scheme: A hot pressing equipment with quick die changing structure, including the workbench, the top side of workbench is provided with the fixing frame, the top of fixing frame is connected with the top plate, the bottom center of top plate is connected with the telescopic pneumatic cylinder, the bottom output end of telescopic pneumatic cylinder is connected with hot pressing head through bolt, telescopic pneumatic cylinder drives hot pressing head to lift and move, the inner wall of hot pressing head is provided with electric heating plate, the center of workbench is provided with the mounting groove, the middle part of mounting groove is embedded with hot pressing die, the middle part inner wall of mounting groove is arranged with the locating groove, the bottom of hot pressing die is connected with the locating rod, the locating rod is embedded in the locating groove, the both sides outer wall of hot pressing die is arranged with the clamping groove, the both sides of mounting groove are provided with fixed mechanism, the fixed mechanism includes movable cavity, push board, clamping block, spring, rack, pivot, gear and adjusting knob, movable cavity is arranged in the both sides of mounting groove.

[0008] Preferably, the middle part of movable cavity is embedded with push board, the side close to mounting groove of push board is arranged with clamping block, the end away from push board of clamping block is embedded in clamping groove through movable cavity.

[0009] Preferably, the side edge away from clamping block of push board is arranged with spring, the end away from push board of spring is in abutment with the inner wall of movable cavity.

[0010] Preferably, the center of side away from clamping block of push board is connected with rack, the inner wall of one side of movable cavity is connected with pivot through bearing, the middle part outer wall of pivot is keyed with gear, the gear is engaged with rack, one end of pivot in movable cavity is connected with adjusting knob.

[0011] Preferably, the inner wall of bottom of hot pressing die is provided with electric heating plate No. 2, the inside of hot pressing die is provided with air cavity.

[0012] Preferably, the top of air cavity is arranged with air passage, the air passage is communicated with the pressure groove of hot pressing die, one side of air cavity is communicated with air pipe, the end away from air cavity of air pipe is connected with air pump through hot pressing die.

[0013] The utility model discloses technical effect and advantage:

[0014] 1, compared with the prior art, when the hot pressing die needs to be replaced, the adjusting knob can be twisted, the adjusting knob rotates and drives the pivot to rotate synchronously, the pivot rotates and drives the gear to move synchronously, the gear rotates and drives the rack to move translationally, thereby pulling the push board to move translationally towards the outer wall of the workbench, the push board moves and drives the clamping block to move synchronously, thereby making the clamping block move out of the clamping groove, so that the clamping connection between the hot pressing die and the workbench is cancelled, thereby facilitating the quick replacement of the hot pressing die. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is overall structure schematic view of the utility model.

[0016] Figure 2 It is hot pressing die structure schematic view of the utility model.

[0017] Figure 3 It is workbench overhead structure schematic view of the utility model.

[0018] Figure 4 It is fixed mechanism connecting structure schematic view of the utility model.

[0019] The figure mark is: 1, workbench;2, fixed frame;3, top plate;4, telescopic air cylinder;5, hot pressing head;6, electric heating plate;7, installation slot;8, hot pressing die;9, positioning slot;10, positioning rod;11, clamping groove;12, fixed mechanism;13, movable cavity;14, push plate;15, clamping block;16, spring;17, rack;18, rotating shaft;19, gear;20, adjusting knob;21, second electric heating plate;22, air cavity;23, air passage;24, air pipe;25, air pump. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Embodiment 1

[0022] As attached Figures 1 to 3The hot pressing equipment with quick die changing structure shown comprises a workbench 1, a fixed frame 2 arranged on one side of the top of the workbench 1, a top plate 3 connected to the top end of the fixed frame 2, a telescopic air cylinder 4 connected to the bottom center of the top plate 3, a hot pressing head 5 connected to the bottom output end of the telescopic air cylinder 4 through bolts, the telescopic air cylinder 4 driving the hot pressing head 5 to move up and down, an electric heating plate 6 arranged on the inner wall of the hot pressing head 5, a mounting groove 7 arranged at the center of the workbench 1, a hot pressing die 8 embedded in the middle of the mounting groove 7, positioning grooves 9 arranged on the inner wall of the middle of the mounting groove 7, a positioning rod 10 connected to the bottom end of the hot pressing die 8, the positioning rod 10 being embedded in the positioning groove 9, clamping grooves 11 arranged on the outer wall of the hot pressing die 8, and fixing mechanisms 12 arranged on the two sides of the mounting groove 7.

[0023] Wherein: the fixed frame 2 and the top plate 3 serve to fix the telescopic air cylinder 4, the workpiece to be hot pressed can be placed on the surface of the hot pressing die 8, the telescopic air cylinder 4 can drive the hot pressing head 5 to move up and down to cooperate with the hot pressing die 8 to hot press and form the workpiece, the hot pressing head 5 is connected to the telescopic air cylinder 4 through bolts for easy disassembly and replacement, the electric heating plate 6 is used to quickly heat the hot pressing head 5 for quick forming of the workpiece, the positioning rod 10 at the bottom end of the hot pressing die 8 is embedded in the positioning groove 9 to position the hot pressing die 8 so that the hot pressing die 8 can match the hot pressing head 5, and the fixing mechanism 12 can facilitate the installation and fixation of the hot pressing die 8 for quick die changing of the hot pressing die 8.

[0024] Embodiment 2

[0025] Based on the embodiment 1, the scheme in the embodiment 1 is further refined in combination with the specific working mode as follows: Figures 1 to 4 As shown, details are described as follows:

[0026] As a preferred embodiment, the middle of the movable cavity 13 is embedded with a push plate 14, the side of the push plate 14 close to the mounting groove 7 is arranged with a clamping block 15, and the end of the clamping block 15 away from the push plate 14 is embedded in the clamping groove 11 through the movable cavity 13; further, the clamping block 15 is embedded in the clamping groove 11 to realize the clamping connection of the hot pressing die 3 and the workbench 1, thereby achieving the installation of the hot pressing die 8 in the fastening and clamping position.

[0027] As a preferred implementation, the push plate 14 is arranged with a spring 16 at the side edge away from the clamping block 15, and the end of the spring 16 away from the push plate 14 is in abutment with the inner wall of the movable cavity 13. Further, the push plate 14 is always pushed to the side close to the clamping groove 11 by the elastic force of the spring 16, so that the clamping block 15 is always embedded in the clamping groove 11 and cannot fall off.

[0028] As a preferred implementation, the push plate 14 is connected with a rack 17 at the center of the side away from the clamping block 15, and the inner wall of one side of the movable cavity 13 is connected with a rotating shaft 18 through a bearing, and the outer wall of the middle part of the rotating shaft 18 is keyed with a gear 19, and the gear 19 is engaged with the rack 17, and the end of the rotating shaft 18 is connected with an adjusting knob 20 in the movable cavity 13. Further, when the hot pressing die 8 needs to be replaced, the adjusting knob 20 can be twisted, the adjusting knob 20 drives the rotating shaft 18 to rotate synchronously, the rotating shaft 18 drives the gear 19 to move synchronously, the gear 19 drives the rack 17 to move translationally so as to pull the push plate 14 to move translationally towards the outer wall of the workbench 1, and the push plate 14 drives the clamping block 15 to move synchronously so as to move the clamping block 15 out of the clamping groove 11, thereby canceling the clamping connection between the hot pressing die 3 and the workbench 1, facilitating the quick replacement of the hot pressing die 8.

[0029] As a preferred implementation, the bottom inner wall of the hot pressing die 8 is provided with a second electric heating plate 21, and the inside of the hot pressing die 8 is provided with an air cavity 22. Further, the second electric heating plate 21 is powered to heat, which, in cooperation with the electric heating plate 6, can heat both ends of the workpiece for subsequent hot pressing forming.

[0030] As a preferred implementation, the top of the air cavity 22 is arranged with an air passage 23, the air passage 23 is connected with the pressing groove of the hot pressing die 8, one side of the air cavity 22 is connected with a gas guide pipe 24, and the end of the gas guide pipe 24 away from the air cavity 22 is connected with a gas pump 25 through the hot pressing die 8. Further, after hot pressing, high-speed gas can be blown into the gas guide pipe 24 by the gas pump 25 and then conducted to the air cavity 22, and the high-speed airflow in the air cavity 22 is dispersed into the air passage 23 and then discharged, so as to facilitate the demolding of the forming die, and the high-speed airflow in the air cavity 22 and the air passage 23 can quickly cool the hot pressing die 8 after demolding.

[0031] The working process of the utility model is as follows: first, the workpiece needing hot pressing can be placed on the surface of the hot pressing die 8, the telescopic cylinder 4 can drive the hot pressing head 5 to move up and down to cooperate with the hot pressing die 8 to hot press the workpiece, at the same time, the electric heating plate 6 can quickly heat the hot pressing head 5 to facilitate the rapid forming of the workpiece, the positioning rod 10 at the bottom end of the hot pressing die 8 is embedded in the positioning groove 9 to position the hot pressing die 8, so that the hot pressing die 8 and the hot pressing head 5 can be matched, at the same time, the fixing mechanism 12 can facilitate the installation and fixing of the hot pressing die 8, so as to quickly change the die of the hot pressing die 8, the clamping block 15 is embedded in the clamping groove 11 to realize the clamping connection of the hot pressing die 3 and the workbench 1, so as to tightly clamp and position the installation of the hot pressing die 8, when the hot pressing die 8 needs to be replaced, the adjusting knob 20 can be twisted, the adjusting knob 20 drives the rotating shaft 18 to rotate synchronously, the rotating shaft 18 drives the gear 19 to move synchronously, the gear 19 drives the rack 17 to move translationally, so as to pull the push plate 14 to move translationally towards the outer wall of the workbench 1, the movement of the push plate 14 drives the clamping block 15 to move synchronously, so that the clamping block 15 moves out of the clamping groove 11, so as to cancel the clamping connection of the hot pressing die 3 and the workbench 1, so as to facilitate the rapid replacement of the hot pressing die 8, the second electric heating plate 21 is electrified and heated, cooperating with the electric heating plate 6 can heat both ends of the workpiece to facilitate subsequent hot pressing forming, after hot pressing forming, the high-speed gas can be blown into the air duct 24 through the air pump 25 and then conducted to the air cavity 22, the high-speed airflow is dispersed into the air passage 23 through the air cavity 22 and then discharged, so as to facilitate the demolding of the forming die, at the same time, the high-speed airflow in the air cavity 22 and the air passage 23 can quickly cool the hot pressing die 8 after demolding, the working principle of the hot pressing equipment with the rapid die changing structure is as follows.

Claims

1. A hot-pressing apparatus having a quick die changing structure, comprising a worktable (1), characterized in that: The top side of the workbench (1) is provided with a fixed frame (2), the top end of the fixed frame (2) is connected with a top plate (3), the bottom center of the top plate (3) is connected with a telescopic air cylinder (4), the bottom output end of the telescopic air cylinder (4) is connected with a hot pressing head (5) through bolts, the telescopic air cylinder (4) drives the hot pressing head (5) to move up and down, the inner wall of the hot pressing head (5) is provided with an electric heating plate (6), the center of the workbench (1) is provided with a mounting groove (7), the middle part of the mounting groove (7) is embedded with a hot pressing die (8), the middle part of the inner wall of the mounting groove (7) is arranged with a positioning groove (9), the bottom end of the hot pressing die (8) is connected with a positioning rod (10), the positioning rod (10) is embedded in the positioning groove (9), the two side outer walls of the hot pressing die (8) are arranged with clamping grooves (11), the two sides of the mounting groove (7) are provided with a fixing mechanism (12), the fixing mechanism (12) comprises a movable cavity (13), a push plate (14), a clamping block (15), a spring (16), a rack (17), a rotating shaft (18), a gear (19) and an adjusting knob (20), and the movable cavity (13) is arranged on the two sides of the mounting groove (7).

2. The hot press apparatus having a quick die changing structure according to claim 1, characterized in that: The middle part of the movable cavity (13) is embedded with a push plate (14), the side of the push plate (14) close to the mounting groove (7) is arranged with a clamping block (15), and the end of the clamping block (15) away from the push plate (14) is embedded in the clamping groove (11) through the movable cavity (13).

3. The hot press apparatus having a quick die changing structure according to claim 2, characterized in that: The side edge of the push plate (14) away from the clamping block (15) is arranged with a spring (16), and the end of the spring (16) away from the push plate (14) is in abutment with the inner wall of the movable cavity (13).

4. The hot press apparatus having a quick die changing structure according to claim 3, characterized in that: The center of the side of the push plate (14) away from the clamping block (15) is connected with a rack (17), one side of the movable cavity (13) is connected with a rotating shaft (18) through a bearing, the middle outer wall of the rotating shaft (18) is connected with a gear (19) through a key, the gear (19) is engaged with the rack (17), and one end of the rotating shaft (18) is connected with an adjusting knob (20) in the movable cavity (13).

5. The hot press apparatus having a quick die changing structure according to claim 1, wherein: The bottom inner wall of the hot pressing die (8) is provided with a second electric heating plate (21), and the inside of the hot pressing die (8) is provided with an air cavity (22).

6. The hot press apparatus having a quick die changing structure according to claim 5, wherein: The top of the air cavity (22) is arranged with an air passage (23), the air passage (23) is connected with the pressing groove of the hot pressing die (8), one side of the air cavity (22) is connected with a gas guide pipe (24), and the end of the gas guide pipe (24) away from the air cavity (22) is connected with an air pump (25) through the hot pressing die (8).

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