Adjustable precision mold frame

Abstract

The invention discloses an adjustable precision mold frame which comprises a base, a containing groove, a movement mechanism and an adjusting mechanism. The moving mechanism is arranged at the middle end in the base, the four ends of the top face of the base are each provided with one adjusting mechanism, the moving mechanism comprises a cavity, a first screw, a gearbox, a driving motor, a guide rod, a moving block, a guide groove and other assemblies, the first screw is driven by the driving motor and the gearbox to rotate, and then the moving block is driven to move relatively along the guide rod; each adjusting mechanism comprises a main body box, a contact mechanism, a driving mechanism, a connecting block and the like, the inner end of an opening of the main body box is connected with the contact mechanism, the inner end of the contact mechanism is connected with the driving mechanism, and the driving mechanism can be in linkage with the contact mechanism to generate deformation; the shape of the contact surface of the contact mechanism is changed, the contact clamping stability of the mold is improved, and the situation that the mold deviates during operation, and the operation precision is affected is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of die sets, and specifically to an adjustable precision die set. Background Art

[0002] The die set is the support of the mold and is the core support structure in mold manufacturing. It provides support for the mold, bears and fixes the mold to ensure the normal production of workpieces. Different molds need to use die sets with different sizes to ensure stability during use.

[0003] In the existing part of die sets, the support and fixation effect on the mold, especially some special-shaped molds, is not good. There may be gaps between the molds, and even the mold may be misaligned and slip when stressed, thus affecting the normal production of workpieces, with poor precision, being not conducive to ensuring production accuracy, and being difficult to meet people's usage requirements. Summary of the Invention

[0004] The purpose of the present invention is to provide an adjustable precision die set to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention adopts the following technical solutions: An adjustable precision die set includes a base. A placement groove is provided at the middle top end of the base. A motion mechanism is also provided at the middle inner end of the base, and a set of adjusting mechanisms are provided at the four ends of the top surface of the base; The motion mechanism includes a cavity, a first screw, a gear box, a driving motor, guide rods, moving blocks, and guide grooves. A cavity is provided at the middle inner end of the base. A set of first screws are connected to the middle inner end of the cavity. A set of gear boxes are provided at the middle ends of the first screws. A set of driving motors are connected to the rear ends of the gear boxes. A set of guide rods are provided at both ends of the front and rear surfaces of the gear box. The other ends of the four guide rods are all connected to the four ends inside the cavity, and a set of moving blocks are provided at the outer ends of the guide rods. Guide grooves corresponding to the four guide rods are provided on the top surface of the base.

[0006] By adopting the above technical solution, the driving motor can drive the first screw to rotate through the gear box, and link the moving blocks at the outer ends of the guide rods to move, and then link the adjusting mechanism to clamp and position the mold items placed in the placement groove.

[0007] Preferably, a set of sliders are connected to the left and right ends of the outer side of the first screw, and a set of connecting rods are provided at the bottom ends of the front and rear surfaces of the sliders.

[0008] By adopting the above technical solution, the rotation of the first screw can drive the left and right sliders and the connecting rods to slide.

[0009] Preferably, through holes are provided at the top ends of the moving blocks, and contact through grooves corresponding to the connecting rods are provided at the bottom ends.

[0010] By adopting the above technical solution, the moving block can move along the guiding rod through the through hole, and the connecting rod can be snapped into the contact through groove. The movement of the slider can drive the moving block to move through the connecting rod.

[0011] Preferably, the adjusting mechanism includes a main body box, a contact mechanism, a driving mechanism and a connecting block. A set of main body boxes are provided at the top ends of the guiding grooves. A set of contact mechanisms are connected to the opposite ends inside the main body boxes. A set of driving mechanisms are provided at the outer ends of the main body boxes, and a set of connecting blocks are connected to the bottom ends of the main body boxes.

[0012] By adopting the above technical solution, the main body box can contact the outer side of the mold object through the contact mechanism to clamp and fix it. The driving mechanism can adjust the contact surface of the contact mechanism to change the contact shape with the mold object, so as to improve the fixing effect on molds with different shapes.

[0013] Preferably, the contact mechanism includes a fixed shaft, a rotating part and a friction sleeve. The opposite ends of the four groups of main body boxes are all set as openings. A set of fixed shafts are connected to the middle ends inside the openings. Two groups of rotating parts are provided at both ends of the fixed shaft, and friction sleeves are connected to the outer sides of the two groups of rotating parts.

[0014] By adopting the above technical solution, the rotating part can rotate around the fixed shaft to change the contact shape with the mold object, so as to achieve the contact fixing effect on different molds.

[0015] Preferably, the driving mechanism includes a second screw rod, a connecting frame, a first linkage arm, a sliding groove, a positioning rod and a second linkage arm. A set of second screw rods are provided at the middle ends of the mutually remote sides of the four groups of main body boxes. One ends of the second screw rods all penetrate and extend into the main body boxes and are connected with a set of connecting frames. A kind of first linkage arm is provided at both ends of the connecting frame. Sliding grooves are opened at the middle ends of the two groups of first linkage arms, and a set of positioning rods are provided at the positions corresponding to the two groups of sliding grooves inside the main body boxes. The other ends of the two groups of first linkage arms are both connected with a set of second linkage arms, and the other ends of the two groups of second linkage arms are respectively connected with the inner ends of the two groups of rotating parts.

[0016] By adopting the above technical solution, the second screw rod can enter and exit the main body box through rotation and pull the connecting frame to move. The connecting frame can drive the two groups of first linkage arms to rotate around the positioning rod, and through the second linkage arm to link the rotating part, it can make the rotating part rotate around the fixed shaft to change the contact shape with the mold object.

[0017] Preferably, the rear ends of the opposite surfaces of the two groups of rotating parts are sleeved on the rear end of the fixed shaft, and there is a gap at the front ends of the opposite surfaces.

[0018] By adopting the above technical solution, it is beneficial to the relative rotation of the two groups of rotating parts.

[0019] Preferably, friction sleeves are adhered to the outer ends of the two groups of rotating members.

[0020] By adopting the above technical solution, the friction sleeve can improve the friction when contacting the mold object and protect the outer side of the mold object.

[0021] Preferably, the connecting block is in a "T" shape, and its bottom ends are connected to the top ends of the moving blocks through the guiding grooves.

[0022] By adopting the above technical solution, when the moving block moves, it can drive the main body box to move through the connecting block.

[0023] Preferably, the left and right thread directions of the first screw are opposite, and corresponding internal threaded holes are provided at the inner top ends of the sliders.

[0024] By adopting the above technical solution, when the first screw rotates, it can drive the two sliders to move relatively.

[0025] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. Through the motion mechanism arranged in the middle of the base of the present invention, the motion mechanism includes components such as a cavity, a first screw, a gear box, a driving motor, a guiding rod, a moving block, and a guiding groove. Under the mutual cooperation, the driving motor and the gear box can drive the first screw to rotate, and then drive the moving block to move synchronously along the guiding rod, which is beneficial to driving the adjusting mechanism at the top of the base to move synchronously to clamp and fix the mold object. 2. Through the adjusting mechanism arranged at the four ends of the top surface of the base of the present invention, the adjusting mechanism includes components such as a main body box, a contact mechanism, a driving mechanism, and a connecting block. And the driving mechanism includes components such as a second screw, a connecting frame, a first linkage arm, a sliding groove, a positioning rod, and a second linkage arm. Under the mutual cooperation, by the rotation and movement of the second screw, the first linkage arm and the second linkage arm can be driven to move, pulling or pushing the contact mechanism, and changing the shape of the contact surface between the adjusting contact mechanism and the mold object, which is convenient for clamping and fixing molds with different outer shapes. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the present invention.

[0027] Figure 2 It is a top-down structural schematic diagram of the cavity of the present invention.

[0028] Figure 3 It is a structural schematic diagram of the slider of the present invention.

[0029] Figure 4 It is a structural schematic diagram of the moving block of the present invention.

[0030] Figure 5 It is a structural schematic diagram of the adjusting mechanism of the present invention.

[0031] Figure 6 This is a schematic top view of the interior structure of the main body housing of the present invention.

[0032] Figure 7 This is a schematic view of the connection structure between the first linkage arm and the second linkage arm of the present invention.

[0033] In the figure: base - 1, placement groove - 2, motion mechanism - 3, adjustment mechanism - 4, cavity - 31, first screw - 32, gearbox - 33, drive motor - 34, guide rod - 35, moving block - 36, guide groove - 37, slider - 321, connecting rod - 322, through - hole - 361, contact through - groove - 362, main body housing - 41, contact mechanism - 42, drive mechanism - 43, connecting block - 44, fixed shaft - 421, rotating part - 422, friction sleeve - 423, second screw - 431, connecting frame - 432, first linkage arm - 433, sliding groove - 434, positioning rod - 435, second linkage arm - 436. Specific embodiments

[0034] In order to further explain the technical solution of the present invention, it will be elaborated in detail through specific embodiments below.

[0035] Please refer to Figure 1 , the present invention provides an adjustable precision die set, including a base 1. A placement groove 2 is opened at the middle top end of the base 1. It also includes a motion mechanism 3 provided at the middle inner end of the base 1, and a set of adjustment mechanisms 4 are provided at the four ends of the top surface of the base 1.

[0036] Specifically, the motion mechanism 3 can drive the relative movement of the adjustment mechanisms 4 at the four ends of the top of the base 1 to clamp and fix the die placed in the placement groove 2.

[0037] Please refer to Figure 1 - Figure 2 , the motion mechanism 3 includes a cavity 31, a first screw 32, a gearbox 33, a drive motor 34, a guide rod 35, a moving block 36 and a guide groove 37. A cavity 31 is opened at the middle inner end of the base 1. A set of first screws 32 are horizontally rotatably connected at the middle inner end of the cavity 31. A set of gearboxes 33 are installed at the middle of the first screws 32. A set of drive motors 34 are connected to the rear end of the gearboxes 33. The rotation of the drive shaft of the drive motor 34 can drive the first screws 32 to rotate through the gearboxes 33. A set of guide rods 35 are fixedly connected to both ends of the front and rear surfaces of the gearboxes 33. The other ends of the four guide rods 35 are fixedly connected to the four ends inside the cavity 31 for positioning. And a set of moving blocks 36 are slidably connected to the outer ends of the guide rods 35. Guide grooves 37 corresponding to the four guide rods 35 are opened on the top surface of the base 1.

[0038] Specifically, the driving motor 34 can drive the first screw 32 to rotate through the gearbox 33, and link the moving block 36 at the outer end of the guide rod 35 to slide, and further link the adjusting mechanism 4 to clamp and position the mold items placed in the placement groove 2.

[0039] Please refer to Figure 2 - Figure 3 , a set of sliders 321 are installed at both the left and right ends of the first screw 32. Among them, the thread directions at the left and right ends of the first screw 32 are opposite, and corresponding internal threaded holes are provided at the inner tops of the sliders 321. When the first screw 32 rotates, it can drive the two sets of sliders 321 to move relatively. At the bottom ends of the front and rear surfaces of the sliders 321, a set of connecting rods 322 are fixedly connected. The front and rear ends of the connecting rods 322 are close to the front and rear surfaces in the cavity 31.

[0040] Specifically, the rotation of the first screw 32 can drive the left and right two sets of sliders 321 and the connecting rods 322 to slide.

[0041] Please refer to Figure 2 - Figure 4 , a through hole 361 corresponding to the guide rod 35 is opened at the top end of the moving block 36. The moving block 36 can move along the guide rod 35 through the through hole 361. And a contact through groove 362 corresponding to the connecting rod 322 is opened at the bottom end of the moving block 36, and the front and rear ends in the contact through groove 362 are both arc-shaped to facilitate the sliding of the connecting rod 322.

[0042] Specifically, the moving block 36 can move along the guide rod 35 through the through hole 361, and the connecting rod 322 can be inserted into the contact through groove 362. The movement of the slider 321 can drive the moving block 36 to move through the connecting rod 322.

[0043] Please refer to Figure 1 And Figure 5 , the adjusting mechanism 4 includes a main body box 41, a contact mechanism 42, a driving mechanism 43 and a connecting block 44. A set of main body boxes 41 are provided at the top ends of the guide grooves 37. A set of contact mechanisms 42 are connected to the opposite ends in the main body box 41. A set of driving mechanisms 43 are provided at the outer ends of the main body box 41. And a set of connecting blocks 44 are fixedly connected to the bottom ends of the main body box 41. The connecting blocks 44 are in a "T" shape, and their bottom ends are fixedly connected to the top ends of the moving blocks 36 through the guide grooves 37. When the moving block 36 moves, it can drive the main body box 41 to move.

[0044] Specifically, when the moving block 36 moves, it can drive the main body box 41 to move through the connecting block 44. The main body box 41 can change the contact surface shape of the contact mechanism 42 through the driving mechanism 43 to improve the clamping and fixing effect on molds with different shapes.

[0045] Please refer to Figure 5 - Figure 6, the contact mechanism 42 includes a fixed shaft 421, a rotating member 422 and a friction sleeve 423. The opposite ends of the four groups of main casings 41 are all provided with openings. In the middle of the openings, a fixed shaft 421 is fixedly connected. Two rotating members 422 are installed at both ends of the fixed shaft 421. Among them, the rear ends of the opposite surfaces of the two rotating members 422 are sleeved on the rear end of the fixed shaft 421, and there is a gap at the front ends of the opposite surfaces, which is beneficial to the relative rotation of the two rotating members 422. Friction sleeves 423 are adhered to the outside of the two rotating members 422.

[0046] Specifically, the rotating member 422 can rotate around the fixed shaft 421 to change the contact shape with the mold object, such as an arc or a "V" shape, so as to achieve the contact fixation effect for different molds, and the friction with the mold object can be improved through the friction sleeve 423, and the outside of the mold object can be protected.

[0047] Please refer to Figure 6 - Figure 7 , the driving mechanism 43 includes a second screw 431, a connecting frame 432, a first linkage arm 433, a chute 434, a positioning rod 435 and a second linkage arm 436. In the middle of the mutually remote sides of the four groups of main casings 41, a second screw 431 is threadedly connected through. By rotating the second screw 431, the dimension length of the second screw 431 entering the main casing 41 can be adjusted. One end of the second screw 431 penetrates and extends into the main casing 41 and is rotatably connected to a connecting frame 432. When the second screw 431 moves, it can drive the connecting frame 432 to move in the main casing 41. Both ends of the connecting frame 432 are rotatably connected to a first linkage arm 433. Chutes 434 are opened in the middle of the two first linkage arms 433, and a positioning rod 435 is fixedly connected to the inner end of the main casing 41 corresponding to the positions of the two chutes 434. The positioning rod 435 is snapped into the chute 434 to limit the first linkage arm 433. The other ends of the two first linkage arms 433 are respectively hinged to a second linkage arm 436, and the other ends of the two second linkage arms 436 are respectively rotatably connected to the inner ends of the two rotating members 422.

[0048] Specifically, the second screw 431 can enter and exit the main casing 41 by rotation, and pull the connecting frame 432 to move. The connecting frame 432 can drive the two first linkage arms 433 to rotate around the positioning rod 435, and pull or push the rotating member 422 through the second linkage arm 436, so that the rotating member 422 can rotate around the fixed shaft 421 to change the contact shape with the mold object.

[0049] The present invention provides an adjustable precision die holder. Through the motion mechanism 3 arranged in the middle of the base 1, the motion mechanism 3 includes components such as a cavity 31, a first screw 32, a gearbox 33, a driving motor 34, a guide rod 35, a moving block 36 and a guide groove 37. Under their mutual cooperation, the driving motor 34 and the gearbox 33 can drive the first screw 32 to rotate, and then drive the moving block 36 to move synchronously along the guide rod 35, which is beneficial to driving the adjustment mechanism 4 at the top of the base 1 to move synchronously to clamp and fix the die object. Through the adjustment mechanism 4 arranged at the four ends of the top surface of the base 1, the adjustment mechanism 4 includes components such as a main body box 41, a contact mechanism 42, a driving mechanism 43 and a connecting block 44, and the driving mechanism 43 includes components such as a second screw 431, a connecting frame 432, a first linkage arm 433, a sliding groove 434, a positioning rod 435 and a second linkage arm 436. Under their mutual cooperation, the rotation and movement of the second screw 431 can drive the first linkage arm 433 and the second linkage arm 436 to move, pull or push the contact mechanism 42, and change the contact surface shape between the adjustment contact mechanism 42 and the die object, so as to facilitate the clamping and fixing of dies with different shapes.

[0050] The foregoing are only preferred examples of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An adjustable precision die set, comprising a base (1), and a placement groove (2) is provided at the middle top end of the base (1); It is characterized in that: It further includes a motion mechanism (3) provided at the middle end inside the base (1), and a set of adjusting mechanisms (4) are provided at the four ends of the top surface of the base (1); The motion mechanism (3) includes a cavity (31), a first screw rod (32), a gear box (33), a driving motor (34), a guide rod (35), a moving block (36) and a guide groove (37). A cavity (31) is provided at the middle end inside the base (1). A set of first screw rods (32) are connected to the middle end inside the cavity (31). A set of gear boxes (33) are provided at the middle end of the first screw rod (32). A set of driving motors (34) are connected to the rear end of the gear box (33). A set of guide rods (35) are provided at both ends of the front and rear surfaces of the gear box (33). The other ends of the four sets of guide rods (35) are all connected to the four ends inside the cavity (31), and a set of moving blocks (36) are provided at the outer ends of the guide rods (35). A guide groove (37) corresponding to the four sets of guide rods (35) is provided on the top surface of the base (1).

2. The adjustable precision die carrier according to claim 1, wherein: A set of sliders (321) are connected to both the left and right ends of the outer side of the first screw rod (32), and a set of connecting rods (322) are provided at the bottom ends of the front and rear surfaces of the slider (321).

3. The adjustable precision die set according to claim 2, characterized in that: A through hole (361) is provided at the top end of the moving block (36), and a contact through groove (362) corresponding to the connecting rod (322) is provided at the bottom end.

4. The adjustable precision die set according to claim 1, characterized in that: The adjusting mechanism (4) includes a main body box (41), a contact mechanism (42), a driving mechanism (43) and a connecting block (44). A set of main body boxes (41) are provided at the top ends of the guide grooves (37). A set of contact mechanisms (42) are connected to the opposite ends inside the main body box (41). A set of driving mechanisms (43) are provided at the outer ends of the main body box (41), and a set of connecting blocks (44) are connected to the bottom end of the main body box (41).

5. The adjustable precision die carrier according to claim 4, wherein: The contact mechanism (42) includes a fixed shaft (421), a rotating part (422) and a friction sleeve (423). The opposite ends of the four sets of main body boxes (41) are all set as openings, and a set of fixed shafts (421) are connected to the middle end inside the openings. Two sets of rotating parts (422) are provided at both ends of the fixed shaft (421), and friction sleeves (423) are connected to the outer sides of the two sets of rotating parts (422).

6. The adjustable precision die set according to claim 4, wherein: The driving mechanism (43) includes a second screw (431), a connecting frame (432), a first linkage arm (433), a sliding groove (434), a positioning rod (435), and a second linkage arm (436). A second screw (431) is provided at the middle of the outer side of each of the four main casings (41) away from each other. One end of each second screw (431) penetrates and extends into the main casing (41) and is connected to a connecting frame (432). A first linkage arm (433) is provided at both ends of the connecting frame (432). A sliding groove (434) is formed in the middle of each of the two first linkage arms (433). A positioning rod (435) is provided at the position of the inner end of the main casing (41) corresponding to the two sliding grooves (434). A second linkage arm (436) is connected to the other end of each of the two first linkage arms (433). The other ends of the two second linkage arms (436) are respectively connected to the inner ends of the two rotating members (422).

7. The adjustable precision die carrier according to claim 6, wherein: The rear ends of the opposite surfaces of the two rotating members (422) are sleeved on the rear end of the fixed shaft (421), and there is a gap at the front end of the opposite surfaces.

8. The adjustable precision die carrier according to claim 7, characterized in that: Friction sleeves (423) are adhered to the outer ends of the two rotating members (422).

9. The adjustable precision die carrier according to claim 4, wherein: The connecting block (44) is in a "T" shape, and its bottom end is connected to the top end of the moving block (36) through a guiding groove (37).

10. The adjustable precision die carrier according to claim 2, wherein: The thread directions of the left and right ends of the first screw (32) are opposite, and inner threaded holes corresponding thereto are provided at the inner top ends of the sliders (321).

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