Die capable of automatically positioning

Abstract

The utility model relates to the technical field of dies, in particular to a die capable of automatically positioning. The mold capable of achieving automatic positioning comprises a lower mold frame and guide columns fixedly installed at the four corners of the lower mold frame, the four guide columns are each sleeved with a guide sleeve in a sliding mode, and an upper mold frame is jointly and fixedly installed on the four guide sleeves; the upper die plate is mounted on the upper die frame, and a punching head is fixedly mounted at the bottom of the upper die plate; the clamping mechanism is installed on the lower die frame, a pressure bearing plate is installed on the clamping mechanism, a stamping cavity is formed in the position, under the stamping head, of the pressure bearing plate, positioning sliding grooves communicated with the stamping cavity are formed in the two ends of the pressure bearing plate, positioning mechanisms are installed in the positioning sliding grooves, and each positioning mechanism comprises a rack plate. The rack plate is installed in the positioning sliding groove in a sliding mode. The die capable of automatically positioning has the advantages that the material plate can be automatically positioned, and the stamping quality is high.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to an automatically positioned mold. Background Art

[0002] Definition of plastic: Plastic is a high-molecular organic material with resin as the main component, which is molded into a certain shape under a certain temperature and pressure and can maintain the given shape at room temperature. After injection molding, it needs secondary processing and molding, which includes trimming or punching. Stamping dies are often used for this type of plastic. Stamping dies are a special process equipment that processes materials (metal or non-metal) into parts (or semi-finished products) in cold stamping. The stamping die consists of a fixed part and a movable part. The fixed part is fastened to the workbench of the press with a pressure plate, bolts, etc. The movable part is generally fastened to the slide of the press. There are blanking dies, drawing dies, bending dies, flanging dies, curling dies, etc.

[0003] Currently, during stamping, it is necessary to manually place the sheet metal into the stamping cavity. During manual placement, there is a large positioning error, which affects the efficiency and quality of stamping.

[0004] Therefore, it is necessary to provide a new automatic positioning mold to solve the above-mentioned technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a die which can automatically position a material plate and has high stamping quality and can automatically position the die.

[0006] The automatic positioning mold provided by the utility model comprises: a lower mold frame, and guide columns fixedly installed at the four corners of the lower mold frame, the four guide columns are all slidably provided with guide sleeves, and the upper mold frame is fixedly installed on the four guide sleeves;

[0007] An upper mold plate is installed on the upper mold frame, and a punch head is fixedly installed on the bottom of the upper mold plate;

[0008] The camming mechanism is installed on the lower mold frame, and a pressure plate is installed on the clamping mechanism, and the pressure plate is provided with a stamping cavity just below the stamping head, and two positioning slide grooves connected with the stamping cavity are provided on the pressure plate, and a positioning mechanism is installed in the positioning slide groove, and the positioning mechanism comprises a rack plate, the rack plate is slidably installed in the positioning slide groove, and a positioning plate is fixedly installed at one end of the rack plate facing the stamping cavity, and a transmission rod is rotatably installed at one end of the pressure plate away from the positioning plate, and a gear one is fixedly sleeved in the middle of the transmission rod, and the gear one is meshed with the rack plate, and gear two is fixedly sleeved at both ends of the transmission rod, and a fixed frame is installed on the outer side of the pressure plate, and a transmission rack is symmetrically slidably installed on the fixed frame, and the transmission rack is meshed with gear two on the same side, and a connecting plate is fixedly installed on the top ends of the two transmission racks, and a return spring is symmetrically installed on the connecting plate, and a pressure rod is movably inserted in the middle of the connecting plate, and a connecting spring is sleeved on the pressure rod.

[0009] Preferably, the clamping mechanism includes a bidirectional threaded rod, which is rotatably installed in an installation groove opened in the middle part of the lower mold frame, and a transmission plate is symmetrically threadedly installed on the bidirectional threaded rod, and a clamping seat is installed on the transmission plate. A clamping groove is opened at the top of the clamping seat, and locking bolts are threadedly installed at both ends of the clamping groove of the clamping seat.

[0010] Preferably, the lower mold frame is symmetrically provided with T-shaped grooves that are slidably matched with the clamping seat, and the clamping seat is symmetrically provided with corresponding T-shaped protrusions.

[0011] Preferably, a positioning plate is installed on one side of the pressure bearing plate located at the stamping cavity.

[0012] Preferably, one end of the return spring away from the connecting plate is fixedly connected to the fixing frame.

[0013] Preferably, a voltage stabilizing assembly is symmetrically installed on the upper template, and the voltage stabilizing assembly includes an extrusion spring. The extrusion spring is provided with two groups, and one end of the two groups of extrusion springs is fixedly connected to the upper template, and the other ends of the two groups of extrusion springs are jointly installed with a voltage stabilizing plate, and a limiting rod is symmetrically installed on the upper surface of the voltage stabilizing plate, and one end of the limiting rod away from the voltage stabilizing plate is movably inserted into the through hole opened by the punching head.

[0014] Compared with the related art, the automatic positioning mold provided by the utility model has the following beneficial effects:

[0015] 1. The utility model provides an automatically positioned mold, by symmetrically arranging a positioning mechanism on the pressure plate, the positioning mechanism uses the cooperation of a rack plate, a positioning plate, a transmission rod, a gear 1, a gear 2, a fixing frame, a transmission rack, a connecting plate, a reset spring, a pressure rod and a connecting spring, which can automatically position and align the material plate placed in the stamping cavity, so as to facilitate stamping;

[0016] 2. The pressure plate cooperates with the bidirectional threaded rod, transmission plate, clamping seat, locking bolt and clamping groove of the clamping mechanism, so it is convenient to disassemble and replace different pressure plates for stamping later. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic structural diagram of a preferred embodiment of the automatic positioning mold provided by the utility model;

[0018] Figure 2 A schematic structural diagram of another perspective of the automatically positioned mold provided by the utility model;

[0019] Figure 3 A schematic diagram of the structure of the voltage stabilizing component provided by the utility model;

[0020] Figure 4 A schematic diagram of the structure of the lower mold frame provided by the utility model with a positioning mechanism installed;

[0021] Figure 5 for Figure 4 A partial enlarged view of A shown.

[0022] Numbers in the figure: 1. lower die frame; 11. guide column; 12. guide sleeve; 101. T-slot; 2. upper die frame; 3. upper die plate; 4. punch head; 5. clamping mechanism; 51. bidirectional threaded rod; 52. transmission plate; 53. clamping seat; 54. locking bolt; 501. clamping groove; 6. pressure plate; 61. positioning support plate; 601. punching cavity; 602. positioning slide groove; 7. positioning mechanism; 71. rack plate; 72. positioning plate; 73. transmission rod; 731. gear one; 732. gear two; 74. fixing frame; 75. transmission rack; 76. connecting plate; 77. reset spring; 78. pressure rod; 79. connecting spring; 8. pressure stabilizing assembly; 81. extrusion spring; 82. pressure stabilizing plate; 83. limit rod. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0025] See also Figures 1 to 5 The utility model provides an automatically positionable mold, which includes:

[0026] A lower mold frame 1, and guide columns 11 fixedly mounted on the four corners of the lower mold frame 1, guide sleeves 12 are slidably sleeved on the four guide columns 11, and an upper mold frame 2 is fixedly mounted on the four guide sleeves 12;

[0027] The upper mold plate 3 is installed on the upper mold frame 2, and a punch head 4 is fixedly installed on the bottom of the upper mold plate 3;

[0028] The clamping mechanism 5 is installed on the lower die frame 1, and a pressure plate 6 is installed on the clamping mechanism 5. The pressure plate 6 is located directly below the punch head 4 and has a punching cavity 601. Both ends of the pressure plate 6 are provided with positioning slots 602 connected to the punching cavity 601. A positioning mechanism 7 is installed in the positioning slot 602. The positioning mechanism 7 includes a rack plate 71. The rack plate 71 is slidably installed in the positioning slot 602. A positioning plate 72 is fixedly installed at one end of the rack plate 71 facing the punching cavity 601. A transmission rod 73 is rotatably installed at one end of the pressure plate 6 away from the positioning plate 72. The transmission rod 73 A gear 731 is fixedly sleeved in the middle part, and the gear 731 meshes with the rack plate 71. Gear 2 732 is fixedly sleeved at both ends of the transmission rod 73. A fixing frame 74 is installed on the pressure plate 6 on the outside of the transmission rod 73. A transmission rack 75 is symmetrically slidably installed on the fixing frame 74. The transmission rack 75 meshes with the gear 2 732 on the same side. A connecting plate 76 is fixedly installed on the top of the two transmission racks 75. Reset springs 77 are symmetrically installed on the connecting plate 76. A pressure rod 78 is movably inserted in the middle part of the connecting plate 76, and a connecting spring 79 is sleeved on the pressure rod 78.

[0029] Among them, a positioning plate 61 is installed on one side of the pressure plate 6 located in the stamping cavity 601 .

[0030] It should be noted that: when in use, the material plate is placed at the punching cavity 601 of the pressure plate 6. When placing it, it only needs to be pressed against the positioning plate 61 once, and then the upper mold frame 2 drives the upper mold plate 3 to drive the punching head 4 downward to approach the material plate. The upper mold plate 3 preferentially contacts the pressure rod 78, and the pressure rod 78 pushes the connecting plate 76 through the connecting spring 79 to push the two transmission racks 75 to move downward synchronously. During the movement, the transmission rack 75 engages with the two gears 732, thereby driving the transmission rod 73 to rotate, and the transmission rod 73 rotates the driving gear 731 rotates synchronously, thereby driving the rack plate 71 to slide along the positioning slot 602 close to the stamping cavity 601. During sliding, the positioning plate 72 is driven to center the material plate and clamp it in the stamping cavity 601, and then continues to move until the punch head 4 impacts the material plate to complete the stamping. After stamping, the upper mold frame 2 is reset, and under the action of the reset spring 77, the transmission rack 75 is driven to move upward, thereby driving the rack plate 71 to slide and exit along the positioning slot 602, release the clamping positioning, and then take it out, reload the material, and then perform the next stamping.

[0031] In the embodiments of the present invention, please refer to Figure 1 , Figure 2 and Figure 4 The clamping mechanism 5 includes a bidirectional threaded rod 51, which is rotatably mounted in a mounting groove provided in the middle of the lower mold frame 1, and a transmission sheet 52 is symmetrically threadedly mounted on the bidirectional threaded rod 51, and a clamping seat 53 is mounted on the transmission sheet 52, and a clamping groove 501 is provided at the top of the clamping seat 53, and locking bolts 54 are threadedly mounted at both ends of the clamping groove 501 of the clamping seat 53;

[0032] It should be noted that when the clamping mechanism 5 is in use, according to the size of the pressure plate 6, the two-way threaded rod 51 is rotated to drive the two transmission plates 52 to drive the two clamping seats 53 to clamp and fix the pressure plate 6 using the clamping groove 501. After clamping, the position of the pressure plate 6 in the clamping groove 501 is adjusted by screwing the locking bolts 54 on both sides, so that the punching cavity 601 is located directly below the punching head 4, thereby completing the fixed installation of the pressure plate 6, which is very convenient to install and disassemble, and is convenient for later disassembly and maintenance;

[0033] In the present embodiment, the lower mold frame 1 is symmetrically provided with T-shaped slots 101 which are slidably matched with the clamping seat 53, and the clamping seat 53 is symmetrically provided with corresponding T-shaped protrusions. In this way, when the transmission plate 52 moves along the bidirectional threaded rod 51, the clamping seat 53 utilizes the T-shaped protrusions to slide with the T-shaped slots 101 to achieve sliding adjustment of the spacing.

[0034] In the embodiments of the present invention, please refer to Figure 1 , Figure 2 and Figure 3 A voltage stabilizing assembly 8 is symmetrically installed on the upper template 3, and the voltage stabilizing assembly 8 includes an extrusion spring 81. Two groups of extrusion springs 81 are provided, and one end of the two groups of extrusion springs 81 is fixedly connected to the upper template 3, and the other ends of the two groups of extrusion springs 81 are jointly installed with a voltage stabilizing plate 82. A limiting rod 83 is symmetrically installed on the upper surface of the voltage stabilizing plate 82, and one end of the limiting rod 83 away from the voltage stabilizing plate 82 is movably inserted into the through hole opened in the punching head 4.

[0035] It should be noted that: when stamping is carried out in this way, when the punching head 4 approaches the material sheet, the pressure stabilizing plate 82, pushed by the extrusion spring 81, preferentially contacts the material sheet and stabilizes it in the punching cavity 601. Then, when stamping, the punching head 4 uses the guidance of the limit rod 83 to further improve the stamping accuracy. Here, the punching head 4 is provided with a stepped groove for accommodating the pressure stabilizing plate 82, so that when stamping contacts the material sheet, the limiting interference of the pressure stabilizing plate 82 can be avoided.

[0036] The working principle of the automatic positioning mold provided by the utility model is as follows:

[0037] When in use, place the material plate at the stamping cavity 601 of the pressure plate 6. When placing it, it only needs to be pressed against the positioning plate 61 once, and then the upper mold frame 2 drives the upper template 3 to drive the punching head 4 downward to approach the material plate. The upper template 3 preferentially contacts the pressure rod 78, and the pressure rod 78 pushes the connecting plate 76 through the connecting spring 79 to push the two transmission racks 75 to move downward synchronously. During the movement, the transmission rack 75 engages with the two gears 732, thereby driving the transmission rod 73 to rotate, and the transmission rod 73 rotates to drive the gear 1 731 to rotate synchronously, thereby driving the rack plate 71 to slide along the positioning slide groove 602 close to the stamping cavity 601. During sliding, the positioning plate 72 is driven to center the material plate and clamp it in the stamping cavity 601, and then continue to move. , until the punch head 4 impacts the material plate and the punching is completed. After the punching, after the upper mold frame 2 is reset, under the action of the reset spring 77, the transmission rack 75 is driven to move upward, thereby driving the rack plate 71 to slide and exit along the positioning slide groove 602, release the clamping positioning, and then take it out, reload the material and perform the next punching. Further, during the punching, when the punch head 4 is close to the material plate, the stabilizing plate 82, under the push of the extrusion spring 81, preferentially contacts the material plate and stabilizes it in the punching cavity 601. Then, when the punch head 4 is punching, the guide of the limit rod 83 can be used to further improve the punching accuracy. Here, the punch head 4 is provided with a stepped groove for accommodating the stabilizing plate 82, so that when the punching contacts the material plate, the limiting interference of the stabilizing plate 82 can be avoided;

[0038] When the clamping mechanism 5 is in use, according to the size of the pressure plate 6, the two transmission plates 52 are driven to drive the two clamping seats 53 to clamp and fix the pressure plate 6 using the clamping groove 501 by rotating the bidirectional threaded rod 51. After clamping, the position of the pressure plate 6 in the clamping groove 501 is adjusted by turning the locking bolts 54 on both sides so that the stamping cavity 601 is located directly below the stamping head 4, thereby completing the fixed installation of the pressure plate 6. The installation and disassembly are very convenient, and it is convenient for later disassembly and maintenance.

[0039] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A mold capable of automatic positioning, comprising: A lower mold frame (1), and guide columns (11) fixedly mounted on four corners of the lower mold frame (1), guide sleeves (12) being slidably mounted on the four guide columns (11), and an upper mold frame (2) being fixedly mounted on the four guide sleeves (12); It is characterized by further comprising: An upper mold plate (3) is mounted on the upper mold frame (2), and a punch head (4) is fixedly mounted on the bottom of the upper mold plate (3); A clamping mechanism (5) is installed on the lower mold frame (1), and a pressure plate (6) is installed on the clamping mechanism (5). The pressure plate (6) is located directly below the punching head (4) and is provided with a punching cavity (601). Both ends of the pressure plate (6) are provided with positioning grooves (602) connected to the punching cavity (601). A positioning mechanism (7) is installed in the positioning groove (602). The positioning mechanism (7) includes a rack plate (71). The rack plate (71) is slidably installed in the positioning groove (602), and a positioning plate (72) is fixedly installed on one end of the rack plate (71) facing the punching cavity (601). A transmission rod (73) is rotatably installed on one end of the pressure plate (6) away from the positioning plate (72). A gear 1 (731) is fixedly sleeved in the middle of the movable rod (73), and the gear 1 (731) is meshed with the rack plate (71). Gear 2 (732) is fixedly sleeved at both ends of the transmission rod (73). A fixing frame (74) is installed on the pressure plate (6) at the outer side of the transmission rod (73). A transmission rack (75) is symmetrically slidably installed on the fixing frame (74). The transmission rack (75) is meshed with the gear 2 (732) on the same side. A connecting plate (76) is fixedly installed at the top ends of the two transmission racks (75). A return spring (77) is symmetrically installed on the connecting plate (76). A pressure rod (78) is movably inserted in the middle of the connecting plate (76), and a connecting spring (79) is sleeved on the pressure rod (78).

2. The automatically positionable mold according to claim 1, characterized in that: The clamping mechanism (5) comprises a bidirectional threaded rod (51), the bidirectional threaded rod (51) is rotatably mounted in a mounting groove provided in the middle of the lower mold frame (1), and a transmission plate (52) is symmetrically threadedly mounted on the bidirectional threaded rod (51), a clamping seat (53) is mounted on the transmission plate (52), a clamping groove (501) is provided at the top end of the clamping seat (53), and locking bolts (54) are threadedly mounted at both ends of the clamping groove (501) of the clamping seat (53).

3. The automatically positionable mold according to claim 2, characterized in that: The lower mold frame (1) is symmetrically provided with T-shaped grooves (101) that are slidably matched with the clamping seat (53), and the clamping seat (53) is symmetrically provided with corresponding T-shaped protrusions.

4. The automatically positionable mold according to claim 1, characterized in that: The pressure bearing plate (6) is provided with a positioning support plate (61) on one side of the punching cavity (601).

5. The automatically positionable mold according to claim 1, characterized in that: One end of the return spring (77) away from the connecting plate (76) is fixedly connected to the fixing frame (74).

6. The automatically positionable mold according to claim 1, characterized in that: A voltage stabilizing assembly (8) is symmetrically mounted on the upper mold plate (3), and the voltage stabilizing assembly (8) comprises a compression spring (81). Two groups of the compression springs (81) are provided, and one end of the two groups of compression springs (81) is fixedly connected to the upper mold plate (3), and the other ends of the two groups of compression springs (81) are jointly mounted with a voltage stabilizing plate (82), and a limiting rod (83) is symmetrically mounted on the upper surface of the voltage stabilizing plate (82), and one end of the limiting rod (83) away from the voltage stabilizing plate (82) is movably inserted into a through hole provided in the punching head (4).

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