Quick mold replacement system for vehicle door buckling press and control method

Abstract

The invention belongs to the technical field of mold replacement, and particularly discloses a rapid mold replacement system for a vehicle door buckling press and a control method.The rapid mold replacement system comprises a control unit, a transportation unit and a storage unit, the storage unit comprises a plurality of storage positions, the storage positions are used for storing storage position plates, and a corresponding mold is fixed to each storage position plate; the plurality of storage positions are divided into two columns, namely a first column storage position group and a second column storage position group; the buckling pressing machine is located in the middle of the first row of storage location sets. The storage locations of the first column of storage location group are in one-to-one correspondence with the storage locations of the second column of storage location group; the two columns of storage positions are located on the two sides of the transportation unit correspondingly. The transportation unit comprises two sets of trolleys, and the two sets of trolleys are used for transferring the storage location plate between the storage location and the buckling press; a first transfer device is arranged on each storage location; and a second transfer device is arranged on the base of the buckling press. And the die can be automatically and quickly switched, so that the die changing rhythm is effectively improved, and the repeated work of workers is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of mold changing, and in particular relates to a quick mold changing system and a control method for a door closing press. Background Art

[0002] Car door production usually requires several door frames of multiple cars to be completed in the same batch, so a car door snap-fitting press often needs to take into account the production of multiple molds. The mold needs to be replaced after each snap-fitting is completed. It takes more than 20 minutes to manually replace the mold each time, and the replacement is frequent, and there is a lot of repetitive work. This problem greatly affects the rhythm of this production line. Summary of the invention

[0003] The purpose of the present invention is to provide a quick mold change system for a door closing press, which can automatically and quickly complete the mold switching, effectively improve the mold change cycle, and reduce the repetitive work of workers.

[0004] In order to achieve the above-mentioned purpose, the technical solution of the present invention is: a quick-change mold system for a door fastening press, comprising a control unit and a transport unit and a storage unit connected to the control unit, the storage unit comprising a plurality of storage locations, the storage locations being used for storage location plates, and a corresponding mold being fixed on each of the storage location plates; the plurality of storage locations are respectively divided into two rows, a first row of storage location groups and a second row of storage location groups; the fastening press is located in the middle of the first row of storage location groups; the storage locations of the first row of storage location groups correspond one to one with the storage locations of the second row of storage location groups; the two rows of storage locations are respectively located on both sides of the transport unit; the transport unit comprises two groups of trolleys, the two groups of trolleys are used to transfer the storage location plates between the storage location and the fastening press; each of the storage locations is provided with a first transfer device, the first transfer device is used to transfer the storage location plates between the storage location and the trolley; the base of the fastening press is provided with a second transfer device and a mold clamp, the second transfer device is used to transfer the storage location plates between the base and the trolley, and the mold clamp is used to clamp the storage location plates after they are in place.

[0005] Furthermore, the snap-fit ​​press includes a hydraulic control system, a press body, a hydraulic cylinder, a slide block, an upper mold self-propelled clamp, a locking device and a press control system, wherein the base is installed under the press body; the press control system is connected to the hydraulic control system, and the hydraulic control system is connected to the hydraulic cylinder; the hydraulic cylinder is installed inside the press body and the driving end of the hydraulic cylinder extends out of the press body, and the driving end of the hydraulic cylinder is connected to the slide block; the slide block is slidably connected to the column of the press body; the locking device is installed on the press body and is used to lock the slide block; the upper mold self-propelled clamp is installed on the slide block for clamping the mold.

[0006] Further, the first transfer device includes a first transfer component, the first transfer component is used to transfer the storage location plate; the first transfer component includes a first transfer drive mechanism and a first connecting mechanism; the first transfer drive mechanism is used to drive the first connecting mechanism to move linearly, the first connecting mechanism is used to connect the storage location plate and can be automatically separated, and the first transfer drive mechanism drives the storage location plate to move between the trolley and the storage location through the first connecting mechanism;

[0007] The second transfer device includes a second transfer component, and the second transfer component is used to transfer the storage plate; the second transfer component includes a lifter, a second transfer drive mechanism and a second connecting mechanism, the lifter is embedded in the base, and the lifter is used to lift the storage plate upward; the second transfer drive mechanism is used to drive the second connecting mechanism to move linearly, the second connecting mechanism is used to connect the storage plate and can be automatically detached, and the second transfer drive mechanism drives the storage plate to move between the trolley and the base through the second connecting mechanism.

[0008] Furthermore, the storage location, trolley and base are all provided with guide devices, and the guide devices are used to guide the movement of the storage location plate; the guide devices include two groups of guide mechanisms, and the two groups of guide mechanisms are respectively located on both sides of the storage location, both sides of the trolley or both sides of the base.

[0009] Furthermore, detection components connected to the control unit are provided on both sides of the storage location, and the detection components are used to detect the position of the storage location plate; the detection component includes a deceleration switch and an in-place detection switch, and the in-place detection switch is located on the outside of the deceleration switch; the control unit sends a deceleration instruction to the first transfer drive mechanism after detecting the signal of the storage location plate according to the deceleration switch, and sends a stop instruction to the first transfer drive mechanism after detecting the signal of the storage location plate according to the in-place detection switch.

[0010] Furthermore, the transport unit also includes a trolley guide rail; the trolley guide rail is used to guide the movement of the trolley; a plurality of groups of positioning plates are provided on the trolley guide rail, and positioning holes are provided on the positioning plates; a plurality of groups of positioning plates form a row and correspond one-to-one to the storage locations of the second row of storage locations; a positioning pin is provided at the bottom of the trolley, and the positioning pin is connected to a lifting drive member, and the lifting drive member is used to drive the positioning pin to be inserted into the positioning hole; when the positioning pin is located in the positioning hole, the trolley is directly opposite to the storage location or the fastening press.

[0011] Furthermore, an anti-collision component connected to the control unit is provided on the side where the two groups of trolleys are close to each other, and the anti-collision component includes a buffer anti-collision pad, an anti-collision detection switch and an anti-collision deceleration switch; the anti-collision detection switches on the two groups of trolleys are used in pairs, and the anti-collision deceleration switches on the two groups of trolleys are used in pairs; when the anti-collision detection switch detects that the distance between the two groups of trolleys is less than a first set value, the control unit sends a deceleration command to the trolley located at the rear in the direction of movement; when the anti-collision detection switch detects that the distance between the two groups of trolleys is equal to a second set value, the control unit sends a stop command to the trolley located at the rear in the direction of movement; the first set value is greater than the second set value, and the second set value is not less than the thickness of the two groups of buffer anti-collision pads.

[0012] Furthermore, a mold end quick-insertion device connected to the control unit is provided on the storage position plate, a press end quick-insertion device and a press end quick-insertion driver connected to the control unit are provided on the base of the snap-fit ​​press, and a mold identification device connected to the control unit is provided on the storage position; a mold number transmitter is provided in the mold end quick-insertion device, and the mold identification device can receive and identify the number sent by the mold number transmitter; the press end quick-insertion driver is used to drive the press end quick-insertion device to move vertically and be inserted into the mold end quick-insertion device to realize data interaction.

[0013] Furthermore, a first positioning block is provided on both sides of the storage plate, and a vertical positioning groove is provided on the first positioning block with the recessed portion facing outward; a second positioning block and a positioning drive member are provided on the base of the snap-fit ​​press, and the second positioning block is set as a protruding structure matching the positioning groove, and the positioning drive member is used to drive the second positioning block to be inserted into the positioning groove.

[0014] Another technical solution of the present invention: a method for controlling a quick mold change for a door closing press, which is implemented according to the quick mold change system for a door closing press; and comprises the following steps:

[0015] The locking device opens; the slide moves downward to close the mold; the upper mold self-propelled clamp releases and retracts; the slide moves upward to retract into place, and the locking device locks;

[0016] The control unit controls the first group of trolleys to move to the position corresponding to the buckle press, the second transfer device transfers the storage plate on the base to the first group of trolleys, the first group of trolleys moves the storage plate to the position corresponding to the idle storage position, and the first transfer device of the idle storage position transfers the storage plate on the first group of trolleys to the storage position; at the same time, the control unit controls the second group of trolleys to move to the position corresponding to the storage position corresponding to the mold that needs to be replaced, and the first transfer device transfers the storage plate on the storage position to the second group of trolleys; the second group of trolleys moves the storage plate to the position corresponding to the buckle press, and the second transfer device transfers the storage plate on the second group of trolleys to the base;

[0017] The locking device opens; the slider moves downward to close the mold; the upper mold self-propelled clamp is pushed in and clamped; the slider moves upward and returns to its original position, and the locking device is locked; the mold change is completed.

[0018] The beneficial effects of this technical solution are:

[0019] ① According to production needs, as long as the control unit is selected, the control unit will control the transport unit and storage unit to automatically and quickly complete the mold switching. This invention is very helpful for the complete automation of the entire line, effectively improving the mold change cycle and reducing workers' repetitive work.

[0020] ② The guiding device can guide the storage location and the storage location plate on the base to ensure that the storage location plate will not shift.

[0021] ③The detection component can control the moving speed and start / stop status of the first transfer drive mechanism to ensure that the storage plate can stop at the set position.

[0022] ④ The positioning plate and positioning pins are set to ensure the accuracy of the trolley position, so that it can be accurately docked with the storage location and the base of the fastening press.

[0023] ⑤ Set up an anti-collision component. When the distance between the two groups of trolleys is less than the first set value, the anti-collision deceleration switch will slow down the trolley moving at the rear, thus serving as the first line of protection for the trolley. When the anti-collision detection switch detects that the distance between the two groups of trolleys is equal to the second set value, the trolley moving at the rear will stop immediately, thus serving as the second line of protection for the trolley. The buffer anti-collision pad is the last line of protection for the trolley. Even if a collision accident occurs, the buffer anti-collision pad here can still ensure a certain distance between the two groups of trolleys to prevent the trolleys and molds from being damaged.

[0024] ⑥ Set up a mold end quick-insertion device, a press end quick-insertion device and a mold identification device. When the storage location plate is located on the storage location, the mold end quick-insertion device can send the mold number to the mold identification device. The mold identification device identifies the number and sends the identification information to the control unit, and the control unit can mark the location of the mold. After the mold end quick-insertion device and the press end quick-insertion device are plugged in, data exchange can be carried out.

[0025] ⑦ The first positioning block, the second positioning block and the positioning drive are provided to position the storage plate entering into the buckle press. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of a quick-change mold system for a door closing press of the present invention;

[0027] Figure 2 It is a structural schematic diagram of a fastening press in a quick-change mold system for a door fastening press of the present invention;

[0028] Figure 3 It is a structural schematic diagram of a storage location in a quick-change mold system for a door closing press according to the present invention;

[0029] Figure 4 It is a structural schematic diagram of a transport unit and a storage plate in a quick-change mold system for a door closing press according to the present invention;

[0030] Figure 5 It is a structural schematic diagram of a base in a quick-change mold system for a door closing press of the present invention;

[0031] Figure 6 The present invention is a flow chart of a method for quickly changing molds for a door closing press. DETAILED DESCRIPTION

[0032] The following is further described in detail through specific implementation methods:

[0033] The reference numerals in the drawings of the specification include: storage unit 1, storage position guide device 1-1, mold identification device 1-2, storage position roller 1-3, limit device 1-4, deceleration switch 1-5, in-position detection switch 1-6, first push-pull mechanism 1-7, first transfer motor 1-8, first guide groove 1-9, mounting seat 1-10, storage position plate 2, mold end quick insertion device 2-1, first positioning block 2-2, positioning groove 2-3, gripper 2-4, transport unit 3, trolley guide rail 3-1, second group trolley 3-2, first group trolley 3-3, positioning plate 3-4, positioning hole 3-5, positioning pin 3-6, buffer anti-collision pad 3-7, trolley roller 3-8, trolley guide device 3-9, anti-collision detection switch 3-1 0, anti-collision deceleration switch 3-11, walking wheel 3-12, base 4, press end quick-insertion drive 4-1, press end quick-insertion device 4-2, second transfer motor 4-3, second push-pull mechanism 4-4, lifter 4-5, machine internal guide device 4-6, mold clamp 4-7, positioning drive 4-8, second positioning block 4-9, snap-on press 5, hydraulic control system 5-1, safety maintenance platform 5-2, press body 5-3, hydraulic cylinder 5-4, slide block 5-5, locking device 5-6, displacement detection device 5-7, upper mold self-propelled clamp 5-8, press control system 5-9, second storage location 6, third storage location 7, fourth storage location 8, fifth storage location 9, first storage location 10.

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] Embodiment 1

[0036] Basically as attached Figure 1-5 As shown: A quick-change mold system for a door closing press includes a control unit and a transport unit 3 and a storage unit 1 connected to the control unit. Figure 2As shown, the fastening press 5 includes a hydraulic control system 5-1, a press body 5-3, a hydraulic cylinder 5-4, a slide block 5-5, an upper die self-propelled clamp 5-8, a locking device 5-6 and a press control system 5-9. The base 4 is installed below the press body 5-3. A safety maintenance platform 5-2 is provided above the press body 5-3. The hydraulic control system 5-1 is located above the safety maintenance platform 5-2. The press control system 5-9 is connected to the hydraulic control system 5-1, and the hydraulic control system 5-1 is connected to the hydraulic cylinder 5-4. The press control system 5-9 controls the flow rate of the hydraulic oil in combination with the electronic valve block in the hydraulic control system 5-1, controls the position and speed of the hydraulic cylinder 5-4, and thus realizes the control of the slide block 5-5. The hydraulic cylinder 5-4 is installed inside the press body 5-3 and the driving end of the hydraulic cylinder 5-4 extends out of the press body 5-3. The driving end of the hydraulic cylinder 5-4 is connected to the slide block 5-5; the slide block 5-5 is slidably connected to the column of the press body 5-3. The locking device 5-6 is installed on the press body 5-3 and is used to lock the slider 5-5. The locking device 5-6 adopts a latch locking device 5-6. Several upper mold self-propelled clamps 5-8 are installed at the corresponding positions of the T-slot of the slider 5-5 to clamp the mold. A displacement detection device 5-7 is also provided on the press body 5-3. The detection head of the displacement detection device 5-7 is installed on the slider 5-5 to detect the running position of the slider 5-5 in real time.

[0037] like Figure 1 As shown, the storage unit 1 includes a plurality of storage locations, which are used for storing storage location plates 2, and a corresponding mold is fixed on each storage location plate 2. The plurality of storage locations are divided into two rows, namely, the first row storage location group and the second row storage location group; the fastening press 5 is located in the middle of the first row storage location group; the storage locations of the first row storage location group correspond one to one with the storage locations of the second row storage location group; the two rows of storage locations are respectively located on both sides of the transport unit 3. The number of storage locations of the first row storage location group and the second row storage location group can be the same, and the second row storage location group leaves one position vacant at the position of the fastening press 5. The first row storage location group can also have one less storage location than the second row storage location group, and the fastening press 5 corresponds to one storage location. In this embodiment, five storage locations are set, namely, the first storage location 10, the second storage location 6, the third storage location 7, the fourth storage location 8, and the fifth storage location 9. The first storage location 10 and the second storage location 6 are the first row storage location group, and the third storage location 7, the fourth storage location 8, and the fifth storage location 9 are the second row storage location group.

[0038] like Figure 1 , 3As shown, each storage location is provided with a first transfer device, and the first transfer device is used to transfer the storage location plate 2 between the storage location and the trolley; the first transfer device includes a first transfer assembly, and the first transfer assembly is used to transfer the storage location plate 2; the first transfer assembly includes a first transfer drive mechanism and a first connecting mechanism; the first transfer drive mechanism is used to drive the first connecting mechanism to move linearly, and the first connecting mechanism is used to connect the storage location plate 2 and can realize automatic separation, and the first transfer drive mechanism drives the storage location plate 2 to move between the trolley and the storage location through the first connecting mechanism. In this embodiment, the first transfer drive mechanism includes a first transfer motor 1-8 and a first push-pull mechanism 1-7, and the first push-pull mechanism 1-7 includes a rigid chain and a driving wheel, and the first transfer motor 1-8 drives the driving wheel to rotate forward and reverse, and the driving wheel drives the rigid chain to rotate, and the rigid chain is connected to a mounting seat 1-10, and the first connecting mechanism is installed on the mounting seat 1-10. The first connecting mechanism includes a hook and a detacher, and a gripper 2-4 is provided on both sides of the storage location plate 2, and the detacher can drive the hook to hook or detach with the gripper 2-4. A first guide groove 1 - 9 is provided in the storage location, and a rigid chain is installed in the first guide groove 1 - 9 . The length direction of the first guide groove 1 - 9 is consistent with the transfer direction of the storage location plate 2 .

[0039] Storage location rollers 1-3 are also provided on both sides of the storage location. Each group of storage location rollers 1-3 is distributed along the transfer direction of the storage location plate 2. The storage location rollers 1-3 are located below the storage location plate 2. The rollers of the storage location rollers 1-3 are used to form rolling friction for the storage location plate 2 to enter and exit.

[0040] A storage location guide device 1-1 is provided on the storage location, and the storage location guide device 1-1 is used to guide the movement of the storage location plate 2; the storage location guide device 1-1 includes two groups of first guide mechanisms, and the two groups of first guide mechanisms are respectively located on both sides of the storage location, each group of first guide mechanisms includes a plurality of groups of guide wheels, and the distance between the two groups of first guide mechanisms is equal to the width of the storage location plate 2.

[0041] The storage location is also provided with a limiting device 1-4, which is located at the end of the transfer direction of the storage location plate 2, and the limiting device 1-4 can prevent the storage location plate 2 from rushing out of the storage location. In this embodiment, the limiting device 1-4 uses two sets of limiting columns.

[0042] Both sides of the storage location are provided with detection components connected to the control unit, and the two groups of detection components are distributed along the transfer direction of the storage location plate 2. A detection head is provided on the mounting seat 1-10, and the detection component detects the position of the storage location plate 2 by sensing the position of the detection head. The detection component includes a deceleration switch 1-5 and an in-place detection switch 1-6, and the in-place detection switch 1-6 is located outside the deceleration switch 1-5. The control unit sends a deceleration instruction to the first transfer drive mechanism after detecting the signal of the detection head according to the deceleration switch 1-5, and sends a stop instruction to the first transfer drive mechanism after detecting the signal of the detection head according to the in-place detection switch 1-6.

[0043] like Figure 4 As shown, the transport unit 3 includes a trolley rail 3-1 and two groups of trolleys (a first group of trolleys 3-3 and a second group of trolleys 3-2), and the trolley rail 3-1 is used to guide the movement of the running wheels 3-12 of the trolley. The trolley rail 3-1 is provided with a plurality of groups of positioning plates 3-4 (three groups are provided in this embodiment), and the positioning plates 3-4 are provided with positioning holes 3-5; the plurality of groups of positioning plates 3-4 form a row and correspond one to one with the storage locations of the second row of storage location groups. A positioning pin 3-6 is provided at the bottom of the trolley, and the positioning pin 3-6 is connected to a lifting drive member, and the lifting drive member is used to drive the positioning pin 3-6 to be inserted into the positioning hole 3-5. When the positioning pin 3-6 is located in the positioning hole 3-5, the trolley is directly opposite to the storage location or the buckle press 5.

[0044] The two groups of trolleys are used to transfer the storage space plates 2 between the storage space and the fastening press 5; the two groups of trolleys are provided with an anti-collision component connected to the control unit on the side close to each other, and the anti-collision component includes a buffer anti-collision pad 3-7, an anti-collision detection switch 3-10 and an anti-collision deceleration switch 3-11; the anti-collision detection switches 3-10 on the two groups of trolleys are used in pairs, and the anti-collision deceleration switches 3-11 on the two groups of trolleys are used in pairs; when the anti-collision detection switch 3-10 detects that the distance between the two groups of trolleys is less than the first set value (and greater than the second set value), the control unit sends a deceleration command to the trolley located at the rear in the direction of movement; when the anti-collision detection switch 3-10 detects that the distance between the two groups of trolleys is equal to the second set value, the control unit sends a stop command to the trolley located at the rear in the direction of movement; the first set value is greater than the second set value, and the second set value is not less than the thickness S of the two groups of buffer anti-collision pads 3-7.

[0045] Trolley rollers 3-8 are also provided on both sides of each group of trolleys. Each group of trolley rollers 3-8 is distributed along the transfer direction of the storage plate 2. The trolley rollers 3-8 are located below the storage plate 2. The rollers of the trolley rollers 3-8 are used to form rolling friction for the storage plate 2 to enter and exit.

[0046] The trolley is provided with a trolley guide device 3-9, which is used to guide the movement of the storage plate 2; the trolley guide device 3-9 includes two groups of third guide mechanisms, the two groups of third guide mechanisms are respectively located on both sides of the trolley, each group of third guide mechanisms includes a number of guide wheels, and the distance between the two groups of third guide mechanisms is equal to the width of the storage plate 2.

[0047] like Figure 5 As shown, the base 4 of the fastening press 5 is provided with a second transfer device and a mold clamp 4-7, and the mold clamp 4-7 is used to clamp the storage plate 2 after it is in place. The mold clamp 4-7 is provided with four groups, and the four groups of mold clamps 4-7 are located at the four corners of the base 4 and in the transfer direction of the storage plate 2. The mold clamp 4-7 includes a clamping drive and a clamping block, and the clamping drive drives the clamping block to clamp the storage plate 2.

[0048] The second transfer device is used to transfer the storage plate 2 between the base 4 and the trolley. The second transfer device includes a second transfer assembly, which is used to transfer the storage plate 2; the second transfer assembly includes a lifter 4-5, a second transfer drive mechanism and a second connecting mechanism. The lifter 4-5 is embedded in the base 4, and the lifter 4-5 is used to lift the storage plate 2 upward. The second transfer drive mechanism is used to drive the second connecting mechanism to move linearly. The second connecting mechanism is used to connect the storage plate 2 and can be automatically detached. The second transfer drive mechanism drives the storage plate 2 to move between the trolley and the base 4 through the second connecting mechanism. In this embodiment, the second transfer drive mechanism includes a second transfer motor 4-3 and a second push-pull mechanism 4-4. The second push-pull mechanism 4-4 includes a rigid chain and a driving wheel. The second transfer motor 4-3 drives the driving wheel to rotate forward and reversely, and the driving wheel drives the rigid chain to rotate. The rigid chain is connected to a mounting seat, and the first connecting mechanism is installed on the mounting seat. The first connection mechanism includes a hook and a detacher, and grippers 2-4 are provided on both sides of the storage plate 2. The detacher can drive the hook to hook or detach with the grippers 2-4. A second guide groove is provided in the storage location, and the rigid chain is installed in the second guide groove. The length direction of the second guide groove is consistent with the transfer direction of the storage plate 2.

[0049] The base 4 of the fastening press 5 is provided with an in-machine guide device 4-6, which is used to guide the movement of the storage plate 2; the in-machine guide device 4-6 includes two sets of second guide mechanisms, and the two sets of second guide mechanisms are respectively located on both sides of the base 4. Each set of second guide mechanisms includes a plurality of guide wheels, and the distance between the two sets of second guide mechanisms is equal to the width of the storage plate 2.

[0050] A mold end quick-insertion device 2-1 connected to the control unit is provided on the storage position plate 2, a press end quick-insertion device 4-2 connected to the control unit and a press end quick-insertion driver 4-1 are provided on the base 4 of the fastening press 5, and a mold identification device 1-2 connected to the control unit is provided on the storage position; a mold end quick-insertion device 2-1 is provided with a mold number transmitter, and the mold identification device 1-2 can receive and identify the number sent by the mold number transmitter; the press end quick-insertion driver 4-1 is used to drive the press end quick-insertion device 4-2 to move vertically and be inserted into the mold end quick-insertion device 2-1 to realize data interaction.

[0051] A first positioning block 2-2 is provided on both sides of the storage plate 2, and a vertical positioning groove 2-3 is provided on the first positioning block 2-2, and the concave part faces outward; a second positioning block 4-9 and a positioning drive 4-8 are provided on the base 4 of the buckle press 5, and the second positioning block 4-9 is set as a convex structure matching the positioning groove 2-3, and the positioning drive 4-8 is used to drive the second positioning block 4-9 to be inserted into the positioning groove 2-3. In this embodiment, the positioning groove 2-3 is a trapezoidal groove with the large end facing outward.

[0052] Embodiment 2

[0053] Basically as attached Figure 6 As shown: a method for controlling a quick mold change for a door closing press 5 is implemented by using a quick mold change system for a door closing press 5 of an embodiment 1; the method comprises the following steps:

[0054] The locking device 5-6 opens; the slider 5-5 moves downward to close the mold; the upper mold self-propelled clamp 5-8 is released and retracted; the slider 5-5 moves upward to retract into position, and the locking device 5-6 is locked; while the slider 5-5 moves upward, the press end quick-insertion drive 4-1 drives the press end quick-insertion device 4-2 to disengage from the mold end quick-insertion device 2-1, the mold clamp 4-7 opens, and the positioning drive 4-8 drives the second positioning block 4-9 to disengage from the positioning groove 2-3;

[0055] The control unit controls the first group of trolleys 3-3 to move to the position corresponding to the buckle press 5, and the lifting drive drives the positioning pin 3-6 to be inserted into the positioning hole 3-5. The lifter 4-5 lifts the storage plate 2 upward, and the second transfer device transfers the storage plate 2 on the base 4 to the first group of trolleys 3-3. The lifting drive drives the positioning pin 3-6 to disengage from the positioning hole 3-5, and the first group of trolleys 3-3 moves the storage plate 2 to the position corresponding to the idle storage location, and the lifting drive drives the positioning pin 3-6 to be inserted into the positioning hole 3-5 here, and the first transfer device of the idle storage location transfers the storage plate 2 on the first group of trolleys 3-3 to the storage location. At the same time, the control unit controls the second group of trolleys 3-2 to move to the position corresponding to the storage location corresponding to the mold that needs to be replaced, and the lifting drive drives the positioning pin 3-6 to be inserted into the positioning hole 3-5 here. The first transfer device transfers the storage location plate 2 on the storage location to the second group of trolleys 3-2; the lifting drive component drives the positioning pin 3-6 to disengage from the positioning hole 3-5, and the second group of trolleys 3-2 moves the storage location plate 2 to the position corresponding to the snap-fit ​​press 5, and the lifting drive component drives the positioning pin 3-6 to be inserted into the positioning hole 3-5 here, and the second transfer device transfers the storage location plate 2 on the second group of trolleys 3-2 to the base 4.

[0056] The positioning drive 4-8 drives the second positioning block 4-9 to be inserted into the positioning groove 2-3 for positioning; the lifter 4-5 descends, the mold clamp 4-7 clamps the storage plate 2, and the press end quick-insertion drive 4-1 drives the press end quick-insertion device 4-2 to dock with the mold end quick-insertion device 2-1; at the same time, the locking device 5-6 opens, and the slider 5-5 moves downward to close the mold; the upper mold self-propelled clamp 5-8 is pushed in and clamped; the slider 5-5 moves upward and returns to its position, and the locking device 5-6 is locked; the mold change is completed.

[0057] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0058] The above is only an embodiment of the present invention. The common sense such as the known specific structure and characteristics in the scheme is not described in detail here. The ordinary technicians in the relevant field know all the common technical knowledge in the technical field of the invention before the application date or priority date, can obtain all the existing technologies in the field, and have the ability to apply the conventional experimental means before that date. The ordinary technicians in the relevant field can improve and implement this scheme in combination with their own abilities under the enlightenment given by this application. Some typical known structures or known methods should not become obstacles for ordinary technicians in the relevant field to implement this application. It should be pointed out that for those skilled in the art, without departing from the structure of the present invention, several deformations and improvements can be made, which should also be regarded as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the practicality of the patent. The protection scope required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A quick-change die system for a door closing press, characterized in that: The invention comprises a control unit, a transport unit (3) and a storage unit (1) connected to the control unit, wherein the storage unit (1) comprises a plurality of storage locations, the storage locations being used for a storage location plate (2), each of the storage location plates (2) being fixed with a corresponding mold; the plurality of storage locations are respectively divided into two rows, namely a first row storage location group and a second row storage location group; a fastening press (5) is located in the middle of the first row storage location group; the storage locations of the first row storage location group correspond to the storage locations of the second row storage location group in a one-to-one manner; the two rows of storage locations are respectively located on both sides of the transport unit (3); the transport unit (3) is provided with a plurality of storage locations, wherein the plurality of storage locations are respectively provided for storage locations of a storage location plate (2); ... The unit (3) comprises two groups of trolleys, and the two groups of trolleys are used to transfer the storage plate (2) between the storage position and the fastening press (5); each of the storage positions is provided with a first transfer device, and the first transfer device is used to transfer the storage plate (2) between the storage position and the trolley; the base (4) of the fastening press (5) is provided with a second transfer device and a mold clamp (4-7), and the second transfer device is used to transfer the storage plate (2) between the base (4) and the trolley, and the mold clamp (4-7) is used to clamp the storage plate (2) after it is in place.

2. A quick-change die system for a door closing press according to claim 1, characterized in that: The fastening press (5) comprises a hydraulic control system (5-1), a press body (5-3), a hydraulic cylinder (5-4), a slide block (5-5), an upper die self-propelled clamp (5-8), a locking device (5-6) and a press control system (5-9); the base (4) is installed below the press body (5-3); the press control system (5-9) is connected to the hydraulic control system (5-1), and the hydraulic control system (5-1) is connected to the hydraulic cylinder (5-4); the hydraulic cylinder (5-4 ) is installed inside the press body (5-3) and the driving end of the hydraulic cylinder (5-4) extends out of the press body (5-3), and the driving end of the hydraulic cylinder (5-4) is connected to the slider (5-5); the slider (5-5) is slidably connected to the column of the press body (5-3); the locking device (5-6) is installed on the press body (5-3) and is used to lock the slider (5-5); the upper mold self-propelled clamp (5-8) is installed on the slider (5-5) and is used to clamp the mold.

3. A quick-change die system for a door closing press according to claim 1, characterized in that: The first transfer device comprises a first transfer assembly, the first transfer assembly is used to transfer the storage location plate (2); the first transfer assembly comprises a first transfer drive mechanism and a first connecting mechanism; the first transfer drive mechanism is used to drive the first connecting mechanism to move linearly, the first connecting mechanism is used to connect the storage location plate (2) and can be automatically detached, and the first transfer drive mechanism drives the storage location plate (2) to move between the trolley and the storage location through the first connecting mechanism; The second transfer device comprises a second transfer component, and the second transfer component is used to transfer the storage plate (2); the second transfer component comprises a lifter (4-5), a second transfer drive mechanism and a second connecting mechanism, the lifter (4-5) is embedded in the base (4), and the lifter (4-5) is used to lift the storage plate (2) upward; the second transfer drive mechanism is used to drive the second connecting mechanism to move linearly, the second connecting mechanism is used to connect the storage plate (2) and can be automatically detached, and the second transfer drive mechanism drives the storage plate (2) to move between the trolley and the base (4) through the second connecting mechanism.

4. A quick-change die system for a door closing press according to claim 1, characterized in that: The storage location, the trolley and the base (4) are all provided with a guiding device, and the guiding device is used to guide the movement of the storage location plate (2); the guiding device includes two groups of guiding mechanisms, and the two groups of guiding mechanisms are respectively located on both sides of the storage location, both sides of the trolley or both sides of the base (4).

5. A quick-change die system for a door closing press according to claim 3, characterized in that: Both sides of the storage location are provided with detection components connected to the control unit, and the detection components are used to detect the position of the storage location plate (2); the detection components include a deceleration switch (1-5) and an in-place detection switch (1-6), and the in-place detection switch (1-6) is located outside the deceleration switch (1-5); the control unit sends a deceleration instruction to the first transfer drive mechanism after detecting a signal of the storage location plate (2) according to the deceleration switch (1-5), and sends a stop instruction to the first transfer drive mechanism after detecting a signal of the storage location plate (2) according to the in-place detection switch (1-6).

6. A quick-change die system for a door closing press according to claim 1, characterized in that: The transport unit (3) further comprises a trolley guide rail (3-1); the trolley guide rail (3-1) is used to guide the movement of the trolley; a plurality of groups of positioning plates (3-4) are provided on the trolley guide rail (3-1), and positioning holes (3-5) are provided on the positioning plates (3-4); the plurality of groups of positioning plates (3-4) form a row and correspond one-to-one with storage locations of the second row of storage location groups; a positioning pin (3-6) is provided at the bottom of the trolley, and the positioning pin (3-6) is connected to a lifting drive member, and the lifting drive member is used to drive the positioning pin (3-6) to be inserted into the positioning hole (3-5); when the positioning pin (3-6) is located in the positioning hole (3-5), the trolley is directly opposite to the storage location or the buckle press (5).

7. A quick-change die system for a door closing press according to claim 1, characterized in that: The two groups of trolleys are provided with an anti-collision component connected to the control unit on the side where they are close to each other, and the anti-collision component comprises a buffer anti-collision pad (3-7), an anti-collision detection switch (3-10) and an anti-collision deceleration switch (3-11); the anti-collision detection switches (3-10) on the two groups of trolleys are used in pairs, and the anti-collision deceleration switches (3-11) on the two groups of trolleys are used in pairs; when the anti-collision detection switch (3-10) detects that the distance between the two groups of trolleys is less than a first set value, the control unit sends a deceleration instruction to the trolley located at the rear in the direction of movement; when the anti-collision detection switch (3-10) detects that the distance between the two groups of trolleys is equal to a second set value, the control unit sends a stop instruction to the trolley located at the rear in the direction of movement; the first set value is greater than the second set value, and the second set value is not less than the thickness of the two groups of buffer anti-collision pads (3-7).

8. A quick-change die system for a door closing press according to claim 1, characterized in that: The storage location plate (2) is provided with a mold end quick-insertion device (2-1) connected to the control unit; the base (4) of the fastening press (5) is provided with a press end quick-insertion device (4-2) connected to the control unit and a press end quick-insertion driving member (4-1); the storage location is provided with a mold identification device (1-2) connected to the control unit; a mold number transmitter is provided in the mold end quick-insertion device (2-1); the mold identification device (1-2) can receive and identify the number sent by the mold number transmitter; the press end quick-insertion driving member (4-1) is used to drive the press end quick-insertion device (4-2) to move vertically and be inserted into the mold end quick-insertion device (2-1) to realize data interaction.

9. A quick-change die system for a door closing press according to claim 1, characterized in that: First positioning blocks (2-2) are provided on both sides of the storage plate (2), and a vertical positioning groove (2-3) is provided on the first positioning block (2-2), and the recessed portion faces outward; a second positioning block (4-9) and a positioning drive member (4-8) are provided on the base (4) of the buckle press (5), and the second positioning block (4-9) is set as a protruding structure matching the positioning groove (2-3), and the positioning drive member (4-8) is used to drive the second positioning block (4-9) to be inserted into the positioning groove (2-3).

10. A method for controlling the rapid replacement of molds for a door closing press, characterized in that: The method is implemented according to a quick-change mold system for a door closing press according to claim 2; the method comprises the following steps: The locking device (5-6) is opened; the slide block (5-5) moves downward to close the mold; the upper mold self-propelled clamp (5-8) is released and retracted; the slide block (5-5) moves upward to retract into position, and the locking device (5-6) is locked; The control unit controls the first group of trolleys (3-3) to move to a position corresponding to the buckling press (5), the second transfer device transfers the storage plate (2) on the base (4) to the first group of trolleys (3-3), the first group of trolleys (3-3) moves the storage plate (2) to a position corresponding to an idle storage position, and the first transfer device of the idle storage position transfers the storage plate (2) on the first group of trolleys (3-3) to the storage position; at the same time, the control unit controls the second group of trolleys (3-2) to move to a position corresponding to the storage position corresponding to the mold to be replaced, the first transfer device transfers the storage plate (2) on the storage position to the second group of trolleys (3-2); the second group of trolleys (3-2) moves the storage plate (2) to a position corresponding to the buckling press (5), and the second transfer device transfers the storage plate (2) on the second group of trolleys (3-2) to the base (4); The locking device (5-6) is opened; the slide block (5-5) moves downward to close the mold; the upper mold self-propelled clamp (5-8) is pushed in and clamped; the slide block (5-5) moves upward and returns to its position, and the locking device (5-6) is locked; and the mold change is completed.

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