Quick die changing device for stamping household appliance metal plate shell
By using a motor-driven bidirectional screw system and buffer components, the problem of cumbersome mold replacement in existing stamping devices has been solved, enabling rapid mold disassembly and installation, and improving processing efficiency and quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-03-24
AI Technical Summary
The existing stamping equipment mold replacement process is cumbersome, time-consuming, and requires professional skills, which affects the processing quality.
The system employs a motor-driven bidirectional screw system and a sliding sleeve structure, combined with a clamping plate and slot design, to enable quick disassembly and installation of the mold, and provides support and cushioning through a buffer component.
It enables quick mold changes, improves operational convenience and efficiency, reduces manual operation time, and ensures processing quality.
Smart Images

Figure CN224026282U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to punch press technical field, concretely is a kind of quick die changing device for household electrical appliances sheet metal shell stamping. BACKGROUND
[0002] Punch press is a kind of mechanical equipment widely used in manufacturing industry, mainly used for the stamping forming, cutting, bending etc. processing operation to metal plate through die, it is widely used in automobile manufacturing, household electrical appliances production, electronic equipment, building decoration etc. field, punch press is indispensable equipment in modern manufacturing industry, its efficient, accurate, multifunctional characteristics make it widely used in multiple fields, through continuous optimization design and process, punch press will continue to play an important role in the future.
[0003] Prior art publication number CN218361551U patent literature provides a sheet metal part stamping die, the device in the process of different sheet metal stamping, different shapes need different male and female die to stamp, but before stamping, module needs to be replaced, but it is more troublesome to replace, increase the workload of staff, the utility model through the setting plug, jack, nut and rotary groove, fixed rod etc. component, male and female die can be quickly disassembled by rotating plug and fixed rod, the device is quickly used again, improve the convenience and efficiency of device;
[0004] In prior art, when punch press device is used, existing punch press device usually adopts bolt fixing or clamping groove fixing mode to install die, needs manual disassembly and installation when replacing, operation is cumbersome and time-consuming, die needs to be repositioned and aligned after replacement, otherwise it will affect processing quality, this process often needs professional technical personnel to operate, further prolongs replacement time, therefore, we need a kind of quick die changing device for household electrical appliances sheet metal shell stamping. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of quick die changing device for household electrical appliances sheet metal shell stamping to solve the existing problems raised in the above background.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of quick die changing device for household electrical appliances sheet metal shell stamping, including rack, the top of the rack is fixedly connected with punch press, the bottom of the punch press is provided with buffer assembly, the bottom of the buffer assembly is provided with installation assembly, the bottom of the installation assembly is provided with die head;The installation assembly includes installation box, one side of the installation box is fixedly connected with first motor, the output of the first motor is fixedly connected with bidirectional screw rod, the outer wall of the bidirectional screw rod is connected with sliding sleeve in screw thread, the bottom of the sliding sleeve is fixedly connected with bolt sleeve, the inside of the bolt sleeve is connected with fixed bolt in screw thread, one side of the sliding sleeve is fixedly connected with clamping plate, the outer wall of the die head is provided with clamping groove.
[0007] Preferably, the first motor is screwed with the sliding sleeve through a bidirectional screw rod, the outer diameter of the bidirectional screw rod matches the inner diameter of the sliding sleeve, and the outer wall of the bidirectional screw rod is arranged in close contact with the inner wall of the sliding sleeve.
[0008] Preferably, the clamping plate is fixed with the die head through a fixing bolt, one end of the fixing bolt penetrates the die head and is fastened in the bolt sleeve for fixation.
[0009] Preferably, the die head is clamped with the clamping plate through a clamping groove, the inner diameter of the clamping groove matches the outer diameter of the clamping plate, and the inner wall of the clamping groove is arranged in close contact with the outer wall of the clamping plate.
[0010] Preferably, the buffer assembly comprises a top box, a guide rod is fixedly connected to the bottom of the top box, a spring is sleeved on the outer wall of the guide rod, a guide sleeve is fixedly connected to the bottom of the guide rod, and a movable rod is slidably connected in the guide sleeve.
[0011] Preferably, the top box is elastically connected with the guide sleeve through the spring, and the spring is arranged between the top box and the guide sleeve.
[0012] Preferably, the guide sleeve is movably connected with the mounting box through the movable rod, and the movable rod is arranged between the guide sleeve and the mounting box.
[0013] Compared with the prior art, the beneficial effects of the utility model are that the quick die changing device for household electrical metal shell stamping,
[0014] (1) by loosening and dismounting the fixing bolt, the first motor on the mounting box can be started, so that the first motor can drive the bidirectional screw rod to rotate, the bidirectional screw rod can rotate in the sliding sleeve, the sliding sleeve can drive the clamping plate to move, and the clamping plate can be taken out from the clamping groove on one side of the die head, thereby facilitating the dismounting and replacing of the die head;
[0015] (2) the die head is moved downward to stamp the shell, and when the die head is stamping, the die head is forced to move upward, so that the die head can move upward to move the movable rod, the movable rod can drive the guide sleeve to move, the guide sleeve can slide along the outer wall of the guide rod, the guide sleeve can extrude the spring, and the spring can support and buffer under the support of the spring, thereby meeting the daily use needs of people. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a schematic view of the main body structure of the utility model;
[0017] Figure 2 It is a schematic view of the mounting assembly structure of the utility model;
[0018] Figure 3 It is die and slot structure schematic view of the utility model;
[0019] Figure 4 It is buffer assembly structure schematic view of the utility model.
[0020] In the drawing: 1, rack; 2, punch press; 3, buffer assembly; 301, top box; 302, guide rod; 303, spring; 304, guide sleeve; 305, movable rod; 4, mounting assembly; 401, mounting box; 402, first motor; 403, bidirectional screw rod; 404, sliding sleeve; 405, bolt sleeve; 406, fixed bolt; 407, clamping plate; 408, clamping groove; 5, die. DETAILED DESCRIPTION
[0021] 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, not 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 protection scope of the utility model.
[0022] The utility model embodiment provides a kind of quick die changing device for household appliance sheet metal shell stamping, such as Figure 1 、 Figure 2 、 Figure 3 And Figure 4As shown, including rack 1, the top of rack 1 is fixedly connected with punch press 2, the bottom of punch press 2 is provided with buffer assembly 3, the bottom of buffer assembly 3 is provided with mounting assembly 4, the bottom of mounting assembly 4 is provided with die head 5;The mounting assembly 4 includes mounting box 401, one side of mounting box 401 is fixedly connected with first motor 402, the output end of first motor 402 is fixedly connected with bidirectional screw rod 403, the outer wall of bidirectional screw rod 403 is threadedly connected with sliding sleeve 404, first motor 402 forms a threaded structure with sliding sleeve 404 through bidirectional screw rod 403, and the outer diameter size of bidirectional screw rod 403 matches the inner diameter size of sliding sleeve 404, and the outer wall of bidirectional screw rod 403 is arranged in abutment with the inner wall of sliding sleeve 404, which strengthens the connection effect of bidirectional screw rod 403 and sliding sleeve 404, so that first motor 402 can drive bidirectional screw rod 403 to rotate in sliding sleeve 404, the bottom of sliding sleeve 404 is fixedly connected with bolt sleeve 405, the inside of bolt sleeve 405 is threadedly connected with fixed bolt 406, clamp plate 407 forms a fixed structure with die head 5 through fixed bolt 406, and one end of fixed bolt 406 penetrates through die head 5 and is fastened in bolt sleeve 405 for fixation, which strengthens the connection effect of clamp plate 407 and fixed bolt 406, so that fixed bolt 406 can install and fix die head 5 and clamp plate 407, improves the stability of positioning and installing die head 5, one side of sliding sleeve 404 is fixedly connected with clamp plate 407, the outer wall of die head 5 is provided with clamping groove 408, die head 5 forms a clamping structure with clamp plate 407 through clamping groove 408, and the inner diameter size of clamping groove 408 matches the outer diameter size of clamp plate 407, and the inner wall of clamping groove 408 is arranged in abutment with the outer wall of clamp plate 407, which strengthens the connection effect of die head 5 and clamp plate 407, so that clamp plate 407 can be clamped in clamping groove 408 on one side of die head 5 for fastening and installation, by loosening and removing fixed bolt 406, first motor 402 on mounting box 401 can be started, so that first motor 402 can drive bidirectional screw rod 403 to rotate, so that sliding sleeve 404 can drive clamp plate 407 to move, so that clamp plate 407 can be taken out from clamping groove 408 on one side of die head 5, thereby facilitating people to disassemble and replace die head 5.
[0023] In the further preferred embodiment of the utility model, Figure 1 、 Figure 2 、 Figure 3 and Figure 4As shown, the buffer assembly 3 comprises a top box 301, the bottom of the top box 301 is fixedly connected with a guide rod 302, the outer wall of the guide rod 302 is sleeved with a spring 303, the bottom of the guide rod 302 is fixedly connected with a guide sleeve 304, the top box 301 forms a resilient structure with the guide sleeve 304 through the spring 303, and the spring 303 is arranged between the top box 301 and the guide sleeve 304, thereby enhancing the connection effect of the top box 301 and the spring 303, so that the top box 301 can be supported by the spring 303, and the guide sleeve 304 can be supported and buffered, the inside of the guide sleeve 304 is slidably connected with a movable rod 305, the guide sleeve 304 forms a movable structure with the mounting box 401 through the movable rod 305, and the movable rod 305 is arranged between the guide sleeve 304 and the mounting box 401, thereby enhancing the connection effect of the guide sleeve 304 and the movable rod 305, so that the guide sleeve 304 can slide on the outer wall of the movable rod 305, and when the die head 5 moves downward to stamp the shell, the die head 5 can move upward under stress, the die head 5 can move upward to move the movable rod 305, the movable rod 305 can push the guide sleeve 304 to move, the guide sleeve 304 can slide along the outer wall of the guide rod 302, and thus the guide sleeve 304 can extrude the spring 303, and under the support of the spring 303, a supporting and buffering effect is achieved, meeting people's daily use needs.
[0024] Working principle: when using, if the die head 5 needs to be disassembled, the fixed bolt 406 can be loosened and disassembled, the first motor 402 on the mounting box 401 can be started to drive the bidirectional screw rod 403 to rotate, the bidirectional screw rod 403 can rotate in the sliding sleeve 404, the sliding sleeve 404 can drive the clamping plate 407 to move, the clamping plate 407 can be taken out from the clamping groove 408 on one side of the die head 5, thereby facilitating people to disassemble and replace the die head 5, meeting people's daily use needs, and when using, the die head 5 moves downward to stamp the shell, and when the die head 5 stamps, the die head 5 can move upward under stress, the die head 5 can move upward to move the movable rod 305, the movable rod 305 can push the guide sleeve 304 to move, the guide sleeve 304 can slide along the outer wall of the guide rod 302, and thus the guide sleeve 304 can extrude the spring 303, and under the support of the spring 303, a supporting and buffering effect is achieved, meeting people's daily use needs.
[0025] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than by the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.
Claims
1. A quick die-changing device for stamping sheet metal casings of household appliances, comprising a frame (1), characterized in that: A punching machine (2) is fixedly connected to the top of the frame (1), a buffer assembly (3) is provided at the bottom of the punching machine (2), an installation assembly (4) is provided at the bottom of the buffer assembly (3), and a die head (5) is provided at the bottom of the installation assembly (4). The mounting assembly (4) includes a mounting box (401), a first motor (402) is fixedly connected to one side of the mounting box (401), a bidirectional screw (403) is fixedly connected to the output end of the first motor (402), a sliding sleeve (404) is threadedly connected to the outer wall of the bidirectional screw (403), a bolt sleeve (405) is fixedly connected to the bottom of the sliding sleeve (404), a fixing bolt (406) is threadedly connected to the inside of the bolt sleeve (405), a clamping plate (407) is fixedly connected to one side of the sliding sleeve (404), and a clamping groove (408) is opened on the outer wall of the mold head (5).
2. The quick mold change device for stamping sheet metal casings of household appliances according to claim 1, characterized in that: The first motor (402) forms a threaded structure with a double-ended screw (403) and a sliding sleeve (404), and the outer diameter of the double-ended screw (403) matches the inner diameter of the sliding sleeve (404), and the outer wall of the double-ended screw (403) is fitted to the inner wall of the sliding sleeve (404).
3. The quick mold change device for stamping sheet metal casings of household appliances according to claim 1, characterized in that: The card plate (407) is fixed to the mold head (5) by fixing bolts (406), and one end of the fixing bolts (406) passes through the mold head (5) and is fixed in the bolt sleeve (405).
4. The quick mold change device for stamping sheet metal casings of household appliances according to claim 1, characterized in that: The mold head (5) forms a locking structure with the card plate (407) through the card slot (408), and the inner diameter of the card slot (408) matches the outer diameter of the card plate (407), and the inner wall of the card slot (408) is fitted to the outer wall of the card plate (407).
5. A quick mold change device for stamping sheet metal casings of household appliances according to claim 1, characterized in that: The buffer assembly (3) includes a top box (301), a guide rod (302) is fixedly connected to the bottom of the top box (301), a spring (303) is sleeved on the outer wall of the guide rod (302), a guide sleeve (304) is fixedly connected to the bottom of the guide rod (302), and a movable rod (305) is slidably connected inside the guide sleeve (304).
6. A quick mold change device for stamping sheet metal casings of household appliances according to claim 5, characterized in that: The top box (301) forms an elastic structure with a spring (303) and a guide sleeve (304), and the spring (303) is disposed between the top box (301) and the guide sleeve (304).
7. A quick mold change device for stamping sheet metal casings of household appliances according to claim 5, characterized in that: The guide sleeve (304) forms a movable structure with the mounting box (401) through the movable rod (305), and the movable rod (305) is located between the guide sleeve (304) and the mounting box (401).
Citation Information
Patent Citations
Sheet metal part stamping die
CN218361551U