O-shaped ring die

Abstract

The utility model relates to the technical field of sealing element dies, in particular to an O-shaped ring die which comprises a lower die, an upper die arranged above the lower die, fixing mechanisms arranged on two sides of the lower die, a discharging mechanism arranged in the lower die, each fixing mechanism comprises a fixing portion and a control portion, and the fixing mechanisms are used for fixing the upper die and the lower die. The discharging mechanism comprises a discharging part and a connecting part, and the discharging mechanism is used for moving the formed O-shaped ring out of the mold. An upper mold makes contact with a lower mold, meanwhile, the upper mold drives a fixing block and a buckle to move downwards to a fixing frame, the buckle pushes a clamping block to extrude and move a spring, when the clamping block moves to the bottommost end of the fixing frame, the spring pushes the clamping block to move to be connected with the buckle in a clamped mode, then the buckle and the fixing block are fixed, and the upper mold and the lower mold are fixed; when the O-shaped ring is machined and cooled, vibration separation of the upper die and the lower die is not prone to being caused when the O-shaped ring is subjected to external force, and then the forming quality of the O-shaped ring is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of sealing component molds, in particular to an O-ring mold. Background Art

[0002] O-ring is a rubber sealing ring with a circular cross section. It is the most common sealing component with strong pressure resistance and can withstand pressure of tens of MPa. O-ring mold is a production tool used to manufacture O-rings and fix the shape of O-rings.

[0003] The Chinese patent publication number is CN207207013U, which discloses an O-ring mold, including an upper mold and a lower mold, the upper mold and the lower mold are hinged, the lower mold is provided with a plurality of annular mold cavities, the upper mold is provided with a plurality of annular blades corresponding to the annular mold cavities on the lower mold, the lower mold is provided with a through hole in the annular mold cavity, the lower mold is provided with a cavity, the through hole connects the annular mold cavity and the cavity, a slide rod is penetrated in the through hole, and the slide rod is connected to a driving device for driving the slide rod to move up and down in the cavity. The utility model has the following beneficial effects: the O-ring mold can take out the formed O-ring at one time, which is more convenient.

[0004] However, there are still the following disadvantages: when the device is in use, the upper mold and the lower mold cannot be directly fixed, and when cooling, the upper mold and the lower mold are easily separated by vibration when subjected to external force, thereby affecting the molding quality of the O-ring.

[0005] Therefore, an O-ring mold is proposed. Utility Model Content

[0006] The purpose of the utility model is to provide an O-ring mold to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an O-ring mold, comprising a lower mold, four guide rods are fixedly installed on the top surface of the lower mold, the upper mold is arranged above the lower mold, four guide holes are arranged through the top surface of the upper mold, the inner walls of the four guide holes are respectively slidably connected with the outer walls of the four guide rods, the top surface of the lower mold is arranged in a plurality of annular mold cavities, a plurality of annular rings are fixedly installed on the bottom surface of the upper mold, the outer walls of the plurality of annular rings are respectively slidably connected with the inner walls of the annular mold cavities, fixing mechanisms are arranged on both sides of the lower mold, and a discharge mechanism is arranged inside the lower mold;

[0008] The fixing mechanism includes a fixing part and a control part, and the fixing mechanism is used to fix the upper mold and the lower mold;

[0009] The unloading mechanism comprises a unloading portion and a connecting portion, and the unloading mechanism is used to move the formed O-ring out of the mold.

[0010] Preferably, the fixing part includes fixing blocks fixedly installed on the left and right sides of the upper mold, and the bottom surfaces of the two fixing blocks are respectively fixedly installed with buckles, and the left and right sides of the lower mold are respectively fixedly installed with fixing frames, and the two buckles are slidably connected to the inner walls of the two fixing frames away from each other on the sides away from each other.

[0011] Preferably, the front and rear inner walls of the two fixed frames are slidably connected with a card block, the card block is engaged with the buckle, the two sides of the two card blocks are respectively penetrated by two through holes, the inner walls of the four through holes are respectively slidably connected with a sliding rod, and the two ends of the four sliding rods are respectively fixedly connected to the left and right inner walls of the two fixed frames.

[0012] Preferably, the control part comprises fixing rods respectively fixedly mounted on the sides of the two clamping blocks, the other end of the fixing rod slides through the inner wall of the fixing frame and extends to the outside of the fixing frame, and a pressing plate is fixedly mounted on one end of the fixing rod.

[0013] Preferably, the unloading part includes a fixed plate, a cavity is provided inside the lower mold, the outer wall of the fixed plate is slidably connected to the inner wall of the cavity, a plurality of support rods are fixedly installed on the top surface of the fixed plate, the inner walls of the lower ends of the plurality of annular mold cavities are respectively provided with two arc grooves, the inner walls of the plurality of arc grooves are respectively slidably connected with arc plates, and the upper ends of the plurality of support rods respectively interact and penetrate the inner wall of the upper end of the cavity and are fixedly connected to the top surfaces of the plurality of arc plates.

[0014] Preferably, the connecting part includes a threaded rod rotatably mounted on the upper and lower inner walls of the cavity through a first bearing seat, a threaded hole is provided through the top surface of the fixing plate, the outer wall of the threaded rod is threadedly connected to the inner wall of the threaded hole, and a worm gear is fixedly sleeved on the outer wall of the threaded rod.

[0015] Preferably, a worm is meshingly connected to the outer wall of the worm wheel, the rear end of the worm is rotatably connected to the rear end inner wall of the cavity via a second bearing seat, and the front end of the worm is rotatably connected to the front end inner wall of the cavity via a third bearing seat and a handle is fixedly installed thereon.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model makes the upper mold contact with the lower mold, and at the same time the upper mold drives the fixed block and the buckle to move down to the fixed frame, the buckle pushes the clamping block to squeeze and move the spring, and when the clamping block moves to the bottom of the fixed frame, the spring pushes the clamping block to move and engage with the buckle, thereby fixing the buckle and the fixed block, so that the upper mold and the lower mold are fixed, and when the O-ring is processed and cooled, it is not easy to cause the upper mold and the lower mold to vibrate and separate when subjected to external force, thereby ensuring the molding quality of the O-ring.

[0018] By turning the handle, the worm is driven to rotate, and the worm drives the worm wheel and the threaded rod to rotate. The rotation of the threaded rod simultaneously drives the fixed plate to move up, and the fixed plate drives the support rod and the arc plate to move up. Then the arc plate can drive the formed O-ring to push upward, so that the O-ring is pushed out of the annular mold cavity, which is convenient for taking the O-ring and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings:

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is an exploded view of the structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the upper mold structure of the utility model;

[0023] Figure 4 It is a cross-sectional schematic diagram of the fixing mechanism of the utility model;

[0024] Figure 5 This is a schematic diagram of the fixing frame mechanism of the utility model;

[0025] Figure 6 It is a cross-sectional schematic diagram of the unloading mechanism of the utility model;

[0026] Figure 7 This is a cross-sectional schematic diagram of the lower mold of the utility model;

[0027] Figure 8 This is a schematic diagram of the arc plate structure of the utility model.

[0028] In the figure: 1. lower mold; 101. guide rod; 102. upper mold; 103. guide hole; 104. annular mold cavity; 105. annular ring; 2. fixing mechanism; 201. fixing block; 202. buckle; 203. fixing frame; 204. clamping block; 205. sliding rod; 206. spring; 207. fixing rod; 208. pressing plate; 3. unloading mechanism; 301. fixing plate; 302. cavity; 303. support rod; 304. arc groove; 305. arc plate; 306. threaded rod; 307. worm gear; 308. worm; 309. handle. DETAILED DESCRIPTION

[0029] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in combination with the accompanying drawings by way of examples.

[0030] It should be noted that many specific details are set forth in the following description to facilitate a full understanding of the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0031] In addition, in the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0032] In the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. However, if it is indicated as a direct connection, it means that the two connected bodies are not connected through an intermediate structure, but are connected to form a whole only through a connecting structure. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0033] In the present utility model, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0034] Embodiment 1

[0035] See also Figures 1 to 8The utility model provides a technical solution: an O-ring mold, comprising a lower mold 1, four guide rods 101 are fixedly installed on the top surface of the lower mold 1, an upper mold 102 is arranged above the lower mold 1, four guide holes 103 are arranged through the top surface of the upper mold 102, the inner walls of the four guide holes 103 are respectively slidably connected with the outer walls of the four guide rods 101, the top surface of the lower mold 1 is arranged on a plurality of annular mold cavities 104, a plurality of annular rings 105 are fixedly installed on the bottom surface of the upper mold 102, the outer walls of the plurality of annular rings 105 are respectively slidably connected with the inner walls of the annular mold cavities 104, fixing mechanisms 2 are arranged on both sides of the lower mold 1, and a discharge mechanism 3 is arranged inside the lower mold 1;

[0036] The fixing mechanism 2 includes a fixing part and a control part. The fixing mechanism 2 is used to fix the upper mold 102 and the lower mold 1. The fixing part includes a fixing block 201 fixedly installed on the left and right sides of the upper mold 102. The bottom surfaces of the two fixing blocks 201 are respectively fixedly installed with buckles 202. The left and right sides of the lower mold 1 are respectively fixedly installed with fixing frames 203. The two buckles 202 are slidably connected to the inner walls of the two fixing frames 203 away from the sides away from each other. The front and rear inner walls of the two fixing frames 203 are respectively slidably connected with the fixing blocks. 204, the card block 204 is engaged with the buckle 202, and two through holes are respectively set on the sides of the two card blocks 204, and the inner walls of the four through holes are slidably connected with sliding rods 205, and the two ends of the four sliding rods 205 are respectively fixedly connected to the left and right inner walls of the two fixed frames 203. The control part includes fixed rods 207 respectively fixedly installed on the sides of the two card blocks 204, and the other end of the fixed rod 207 slides through the inner wall of the fixed frame 203 and extends to the outside of the fixed frame 203. A pressing plate 208 is fixedly installed on one end of the fixed rod 207.

[0037] By bringing the upper mold 102 into contact with the lower mold 1, the upper mold 102 drives the fixed block 201 and the buckle 202 to move down to the fixed frame 203, and the buckle 202 pushes the clamping block 204 to squeeze and move the spring 206. When the clamping block 204 moves to the bottom of the fixed frame 203, the spring 206 pushes the clamping block 204 to move and engage with the buckle 202, thereby fixing the buckle 202 and the fixed block 201, so that the upper mold 102 and the lower mold 1 are fixed. When the O-ring is processed and cooled, it is not easy to cause the upper mold 102 and the lower mold 1 to vibrate and separate when subjected to external force, thereby ensuring the molding quality of the O-ring.

[0038] Embodiment 2

[0039] On the basis of the first embodiment, the unloading mechanism 3 includes a unloading part and a connecting part. The unloading mechanism 3 is used to remove the formed O-ring from the mold. The unloading part includes a fixed plate 301. A cavity 302 is arranged inside the lower mold 1. The outer wall of the fixed plate 301 is slidably connected to the inner wall of the cavity 302. A plurality of support rods 303 are fixedly installed on the top surface of the fixed plate 301. Two arc grooves 304 are respectively arranged on the inner walls of the lower ends of the plurality of annular mold cavities 104. The inner walls of the plurality of arc grooves 304 are respectively slidably connected with arc plates 305. The top surface of the arc plate 305 is flush with the inner wall of the lower end of the arc mold cavity 104. The upper ends of the plurality of support rods 303 are respectively The interactively penetrating upper inner wall of the cavity 302 is fixedly connected with the top surfaces of multiple arc-shaped plates 305, and the connecting part includes a threaded rod 306 rotatably installed on the upper and lower inner walls of the cavity 302 through a first bearing seat, and a threaded hole is provided on the top surface of the fixed plate 301, and the outer wall of the threaded rod 306 is threadedly connected with the inner wall of the threaded hole, and a worm gear 307 is fixedly sleeved on the outer wall of the threaded rod 306, and a worm 308 is meshedly connected to the outer wall of the worm gear 307, and the rear end of the worm gear 308 is rotatably connected to the rear end inner wall of the cavity 302 through a second bearing seat, and the front end of the worm gear 308 is rotatably penetrated through the front end inner wall of the cavity 302 through a third bearing seat to fix a handle 309.

[0040] By rotating the handle 309, the worm 308 is driven to rotate, and the worm 308 drives the worm wheel 307 and the threaded rod 306 to rotate. The rotation of the threaded rod 306 drives the fixed plate 301 to move upward at the same time, and the fixed plate 301 drives the support rod 303 and the arc plate 305 to move upward, and then the arc plate 305 can drive the formed O-ring to push upward, so that the O-ring is pushed out of the annular mold cavity 104, which makes it convenient to take the O-ring and improves work efficiency.

[0041] When the utility model is in use, the upper mold 102 is in contact with the lower mold 1, and the upper mold 102 drives the fixed block 201 and the buckle 202 to move down to the fixed frame 203, and the buckle 202 pushes the clamping block 204 to squeeze and move the spring 206. When the clamping block 204 moves to the bottom of the fixed frame 203, the spring 206 pushes the clamping block 204 to move and engage with the buckle 202, thereby fixing the buckle 202 and the fixed block 201, so that the upper mold 102 and the lower mold 1 are fixed. When the O-ring is processed and cooled, it is not easy to cause the upper mold 102 and the lower mold 1 to separate from each other due to vibration when subjected to external force, thereby To ensure the molding quality of the O-ring, when taking it, press the pressing plate 208 to push the block 204 to move and squeeze the spring 206 through the fixed rod 207, take out the upper mold 102, turn the handle 309, drive the worm 308 to rotate, the worm 308 drives the worm wheel 307 and the threaded rod 306 to rotate, the threaded rod 306 rotates and drives the fixed plate 301 to move upward, the fixed plate 301 drives the support rod 303 and the arc plate 305 to move upward, and then the arc plate 305 can drive the formed O-ring to push upward, so that the O-ring is pushed out of the annular mold cavity 104, which is convenient for taking the O-ring and improves work efficiency.

[0042] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0043] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. An O-ring mold, comprising a lower mold (1), characterized in that: Four guide rods (101) are fixedly mounted on the top surface of the lower mold (1); an upper mold (102) is arranged above the lower mold (1); four guide holes (103) are arranged through the top surface of the upper mold (102); the inner walls of the four guide holes (103) are respectively slidably connected to the outer walls of the four guide rods (101); the top surface of the lower mold (1) is arranged on a plurality of annular mold cavities (104); a plurality of annular rings (105) are fixedly mounted on the bottom surface of the upper mold (102); the outer walls of the plurality of annular rings (105) are respectively slidably connected to the inner walls of the annular mold cavities (104); fixing mechanisms (2) are arranged on both sides of the lower mold (1); and a discharge mechanism (3) is arranged inside the lower mold (1); The fixing mechanism (2) comprises a fixing part and a control part, and the fixing mechanism (2) is used to fix the upper mold (102) and the lower mold (1); The unloading mechanism (3) comprises a unloading portion and a connecting portion, and the unloading mechanism (3) is used to remove the formed O-ring from the mold.

2. The O-ring mold according to claim 1, characterized in that: The fixing part comprises fixing blocks (201) fixedly mounted on the left and right sides of the upper mould (102), buckles (202) being fixedly mounted on the bottom surfaces of the two fixing blocks (201), fixing frames (203) being fixedly mounted on the left and right sides of the lower mould (1), and the two buckles (202) being slidably connected to the inner walls of the two fixing frames (203) at the sides away from each other.

3. The O-ring mold according to claim 2, characterized in that: The front and rear inner walls of the two fixed frames (203) are respectively slidably connected with a clamping block (204), the clamping block (204) is clamped with the buckle (202), the sides of the two clamping blocks (204) are respectively provided with two through holes, the inner walls of the four through holes are respectively slidably connected with a sliding rod (205), and the two ends of the four sliding rods (205) are respectively fixedly connected to the left and right inner walls of the two fixed frames (203).

4. The O-ring mold according to claim 3, characterized in that: The control unit comprises fixed rods (207) respectively fixedly mounted on the sides of the two clamping blocks (204); the other end of the fixed rod (207) slides through the inner wall of the fixed frame (203) and extends to the outside of the fixed frame (203); and a pressing plate (208) is fixedly mounted on one end of the fixed rod (207).

5. The O-ring mold according to claim 1, characterized in that: The unloading part comprises a fixed plate (301), a cavity (302) is arranged inside the lower mold (1), the outer wall of the fixed plate (301) is slidably connected to the inner wall of the cavity (302), a plurality of support rods (303) are fixedly installed on the top surface of the fixed plate (301), two arc-shaped grooves (304) are respectively arranged on the inner walls of the lower ends of the plurality of annular mold cavities (104), the inner walls of the plurality of arc-shaped grooves (304) are respectively slidably connected to arc-shaped plates (305), and the upper ends of the plurality of support rods (303) respectively interact and penetrate the inner wall of the upper end of the cavity (302) and are fixedly connected to the top surfaces of the plurality of arc-shaped plates (305).

6. The O-ring mold according to claim 5, characterized in that: The connecting portion comprises a threaded rod (306) rotatably mounted on the upper and lower inner walls of the cavity (302) through a first bearing seat, a threaded hole is provided through the top surface of the fixing plate (301), the outer wall of the threaded rod (306) is threadedly connected to the inner wall of the threaded hole, and a worm gear (307) is fixedly sleeved on the outer wall of the threaded rod (306).

7. The O-ring mold according to claim 6, characterized in that: The outer wall of the worm wheel (307) is meshedly connected with a worm (308), the rear end of the worm (308) is rotatably connected to the rear end inner wall of the cavity (302) via a second bearing seat, and the front end of the worm (308) is rotatably connected to the front end inner wall of the cavity (302) via a third bearing seat, and a handle (309) is fixedly installed on the front end inner wall of the cavity (302).

Images