Mold core backflow mechanism and injection molding feeding and discharging equipment

Abstract

The utility model discloses a mold core backflow mechanism and injection molding feeding and discharging equipment. The return line is arranged on one side of the positioning station, the first end of the return line is used for recycling a mold core, and the second end of the return line is arranged at the end close to the positioning station; the pushing assembly is arranged on the side, away from the positioning station, of the return line and used for pushing the mold core located at the second end of the return line to the positioning station. And the translation assembly is used for driving the mold core to move from the first end of the return line to the second end of the return line. Compared with the prior art, the mold core backflow mechanism and the injection molding feeding and discharging equipment have the advantages that continuous production of angiographic catheters can be more convenient, and the production efficiency is higher.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical equipment, more specifically, to a mold core backflow mechanism and injection molding feeding and discharging equipment. BACKGROUND

[0002] A contrast catheter is a medical device used to introduce contrast medium into blood vessels or other cavities, widely used in medical diagnosis and treatment.

[0003] A contrast catheter is an elongated hollow tubular device, usually made of soft polymer materials such as polytetrafluoroethylene, polyurethane, polyethylene or nylon. It is inserted into blood vessels or other cavities through skin puncture or incision for injection of contrast medium to observe the morphology and function of blood vessels or cavities under X-ray, CT or MRI imaging equipment.

[0004] The contrast catheter includes a catheter and a connector. Currently, the catheter is often inserted into the mold core of an injection molding machine, moved to the inside of the injection molding machine for processing, and when the processing of the contrast catheter is completed, the mold core at the end of the injection molding machine needs to be backflowed or recycled to facilitate the processing of the next group of catheters. In the prior art, the mold cores are often stacked and then transferred manually, but this method is not conducive to the continuous production of contrast catheters and has low production efficiency.

[0005] Therefore, there is an urgent need for a mold core backflow mechanism and injection molding feeding and discharging equipment that can facilitate the continuous production of contrast catheters and has higher production efficiency. Invention content

[0006] To solve the above technical problems, the present application provides a mold core backflow mechanism and injection molding feeding and discharging equipment that can facilitate the continuous production of contrast catheters and has higher production efficiency.

[0007] The technical scheme provided by the present application is as follows:

[0008] A mold core backflow mechanism comprises:

[0009] A positioning station;

[0010] A backflow line is arranged on one side of the positioning station, a first end of the backflow line is used for recycling mold cores, and a second end of the backflow line is arranged near one end of the positioning station;

[0011] A pushing assembly is arranged on the side of the backflow line away from the positioning station, and is used for pushing the mold cores at the second end of the backflow line to the positioning station;

[0012] A translation assembly is arranged for moving the mold cores from the first end to the second end of the backflow line.

[0013] Preferably, further comprising;

[0014] A first positioning plate arranged at one end of the reflow line away from the first end;

[0015] A second positioning plate arranged at one side of the positioning station away from the pushing assembly, the second positioning plate being provided with a positioning hole for the mold core on the mold core to pass through;

[0016] A positioning piece arranged at one end of the positioning station away from the first positioning plate, the telescopic end of the positioning piece abutting against the end surface of the mold core away from the first positioning plate.

[0017] Preferably, the pushing assembly comprises:

[0018] A push plate arranged at one side of the reflow line away from the second positioning plate;

[0019] A pushing driving piece connected with the push plate, the pushing piece being used to push the push plate to slide in the direction in which the first positioning plate extends.

[0020] Preferably, a first station, a second station and a third station are sequentially arranged in the direction from the first end to the second end of the reflow line, and the translation assembly pushes the mold core from the first station to the third station;

[0021] A limiting groove arranged on the first station and the second station, the limiting groove being used to guide the mold core, the limiting groove being arranged in the direction in which the reflow line extends, the width of the limiting groove being adapted to the width of the mold core, and the height of the limiting groove being less than the height of the mold core.

[0022] Preferably, the translation assembly comprises:

[0023] A first pushing piece arranged at one side of the first station;

[0024] A first translation driving piece connected with the first pushing piece, the first translation driving piece being used to drive the first pushing piece to move along the reflow line, so that the mold core moves from the first station to the second station.

[0025] Preferably, the translation assembly further comprises:

[0026] A second pushing piece arranged at one side of the second station;

[0027] A protruding driving piece connected with the second pushing piece, the protruding driving piece being used to drive the second pushing piece to move in the width direction of the reflow line;

[0028] A second translation driving element connected with the extension driving element, for driving the extension driving element and the second pushing element to move along the length direction of the backflow line.

[0029] Preferably, further comprising:

[0030] A transfer mechanism for driving the mold core to move from the outlet end of the injection molding machine to the first end of the backflow line.

[0031] Preferably, two clamping grooves are arranged at the top of the mold core in a spaced manner;

[0032] The transfer mechanism comprises:

[0033] A mechanical hand;

[0034] A mounting plate connected with the end of the mechanical hand;

[0035] A first connecting plate and a second connecting plate arranged in a spaced manner along the length direction of the mounting plate, and a clamping jaw is arranged on each of the first connecting plate and the second connecting plate, and the clamping jaw is arranged correspondingly with the clamping groove;

[0036] A clamping driving element for clamping the clamping groove by the two clamping jaws.

[0037] Preferably, the transfer mechanism further comprises:

[0038] A mounting rod connected with the mounting plate;

[0039] A catheter clamping clamp arranged on the mounting rod for clamping the catheter.

[0040] An injection molding feeding and discharging device, comprising the mold core backflow mechanism of any one of the above.

[0041] The mold core backflow mechanism provided by the utility model, firstly, because of setting the positioning station, the backflow line, the pushing assembly and the translation assembly, wherein, the positioning station is used for positioning the mold core, and it is convenient to insert the catheter into the mold core of the mold core, and the subsequent contrast catheter is sent into the injection molding equipment to carry out injection molding, the backflow line is set on one side of the positioning station, the backflow line is provided with the first end and the second end, the first end is used for recycling the mold core, the second end is set on one end of the backflow line close to the positioning station, the backflow line is used for recycling, buffering and conveying, the pushing assembly is set on one side of the backflow line away from the positioning station, the pushing assembly is used for pushing the mold core at the second end of the backflow line to the positioning station, and the translation assembly is used for moving the mold core from the first end to the second end of the backflow line. When the injection of the contrast catheter is completed, the mold core is transferred to the first end of the backflow line, the mold core at the first end is moved to the second end through the translation assembly, the speed of moving the mold core by the translation assembly can be set according to the length of the backflow line and the number of the mold core, and the mold core at the second end on the backflow line is pushed to the positioning station through the pushing assembly. In this way, because the backflow line is arranged, when the injection molding of each batch of contrast catheter is completed, the mold core can be placed on the first end of the backflow line, so that the buffering and conveying of the mold core can be realized, the mold core does not need to be stacked, the waiting time is saved, and the continuous production of the contrast catheter is more favorable. Therefore, compared with the prior art, the mold core backflow mechanism in the utility model embodiment can more conveniently realize the continuous production of the contrast catheter, and the production efficiency is higher.

[0042] The utility model embodiment further provides an injection molding feeding and discharging equipment, including the mold core backflow mechanism of any one of above, same can realize above technical effect, do not repeat here. ACCURATE DRAWINGS

[0043] In order to more clearly illustrate the technical scheme in the embodiment of the application or prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creating labor.

[0044] Figure 1 A structural schematic view of the mold core backflow mechanism provided by the utility model embodiment;

[0045] Figure 2 A structural schematic view of the transfer mechanism provided by the utility model embodiment;

[0046] Figure 3 A structural schematic view of the transfer mechanism provided by the utility model embodiment (in the state of clamping the mold core);

[0047] Figure 4Another structure schematic view of the transfer mechanism is provided for the embodiment of the utility model.

[0048] The drawings show that the utility model discloses a first work position, a second work position, a third work position, a limiting groove, a mould core, a push plate, a push driving part, a first positioning plate, a second positioning plate, a positioning hole, a positioning part, a first translation driving part, a second push part, a stretching driving part, a second translation driving part, a mounting plate, a first connecting plate, a second connecting plate, a clamping jaw, a clamping driving part, a mounting rod and a guide pipe clamping clamp. DETAILED DESCRIPTION

[0049] In order to make the skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the skilled in the art without creative labor are within the scope of protection of the present application.

[0050] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or indirectly on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0051] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0052] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of", "several" is two or more, unless otherwise explicitly specified.

[0053] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.

[0054] The embodiments of this utility model are written in a progressive manner.

[0055] like Figures 1 to 4 As shown, this utility model embodiment provides a mold core return mechanism, including: a positioning station; a return line disposed on one side of the positioning station, the first end of the return line being used to recycle the mold core 3, and the second end of the return line being disposed at the end close to the positioning station; a pushing component disposed on the side of the return line away from the positioning station, used to push the mold core 3 located at the second end of the return line to the positioning station; and a translation component used to move the mold core 3 from the first end to the second end of the return line.

[0056] It should be noted that the mold core includes a body and a mold core 31. The body is specifically a cuboid structure, and the mold core 31 is located at one end of the body. The inner diameter of the conduit is adapted to the mold core 31. The conduit is fitted onto the outside of the mold core 31 and then fed into the injection molding machine for joint injection molding. The number of mold cores in the injection molding machine is limited and needs to be reused during injection molding. Currently, in the production process, mold cores are often stacked and then manually transferred. However, this method is not conducive to the continuous production of angiography conduits and has low production efficiency. If all mold cores are used up before stacking and then manually transferred later, the use of mold cores is discontinuous in the process, resulting in low efficiency of injection molding conduits.

[0057] The utility model provides a mould core backflow mechanism, first because of being provided with positioning station, backflow line, push assembly and translation component, wherein, positioning station is used for positioning to mould core 3, is convenient for the catheter is inserted into the mould core 31 of mould core 3, subsequent contrast medium catheter is sent into injection moulding equipment and carries out injection moulding, backflow line is set up in one side of positioning station, backflow line is provided with first end and second end, first end is used for recycling mould core 3, and second end is set up in one end of backflow line close to positioning station, and backflow line is used for recycling, buffering and conveying, push assembly is set up in one side of backflow line far from positioning station, and push assembly is used for pushing mould core 3 in the second end of backflow line to positioning station, and translation component is used for moving mould core 3 from the first end to the second end of backflow line. When injection moulding of contrast medium catheter is completed, mould core 3 is transferred to the first end of backflow line, and mould core 3 in the first end is moved to the second end through translation component, and the speed of moving mould core 3 of translation component can be set according to the length of backflow line and the number of mould core 3, and mould core 3 in the second end on backflow line is pushed to positioning station through push assembly. Thus, because of being provided with backflow line, when injection moulding of contrast medium catheter of each batch is completed, mould core 3 is placed in the first end of backflow line, which can realize buffering and conveying of mould core 3, and mould core 3 does not need to be stacked, which saves waiting time and is more conducive to continuous production of contrast medium catheter. It can be seen that, compared with the prior art, the mould core backflow mechanism in the utility model embodiment can more conveniently realize continuous production of contrast medium catheter and has higher production efficiency.

[0058] In the above structure, as one of the embodiments, the mould core backflow mechanism in the utility model embodiment further comprises a first positioning plate 51, a second positioning plate 52 and a positioning piece 54, wherein the second positioning plate 52 is arranged at one end of the second end of the backflow line away from the first end, the first positioning plate 51 is used for positioning the first side of the mould core 3, the second positioning plate 52 is arranged at one side of the positioning station away from the push assembly, the second positioning plate 52 is provided with positioning holes 53, the positioning holes 53 are arranged one by one corresponding to the mould cores 31 on the mould core 3, the positioning holes 53 are used for allowing the mould cores 31 to pass through, the positioning holes 53 can be used for positioning the mould cores 31, one end of the positioning station away from the first positioning plate 51 is provided with the positioning piece 54, the positioning piece 54 is arranged at one end of the backflow line away from the push station, the telescopic end of the positioning piece 54 is used for positioning the second side of the mould core 3 away from the first positioning plate 51, the periphery of the mould core 3 is fixed by the first positioning plate 51, the second positioning plate 52, the positioning piece 54 and the push assembly, and the mould cores 31 are positioned by the positioning holes 53, which can avoid the position of the mould core 3 from deviating every time and is more conducive to the catheterization of the catheter.

[0059] In the above structure, the number of mold cores 31 on the mold core 3 in the embodiment of the present invention corresponds one-to-one with the number of conduits. Specifically, in the embodiment of the present invention, one mold core 3 is provided with eight mold cores 31, and each mold core 3 is matched with eight conduits.

[0060] In the above structure, the positioning element 54 in the embodiment of this utility model is specifically any one of a cylinder, a hydraulic cylinder, or a linear motor. It is only necessary that the telescopic end of the positioning element 54 has an extended state and a retracted state. When the telescopic end of the positioning element 54 is in the extended state, the telescopic end of the positioning element 54 abuts against the side of the mold core 3. When the telescopic end of the positioning element 54 is in the retracted state, the telescopic end of the positioning element 54 separates from the side of the mold core 3.

[0061] In the above structure, as one embodiment, the pushing component in this utility model includes a push plate 41 and a pushing drive member 42. The push plate 41 is disposed on the side of the return line away from the second positioning plate 52. The pushing drive member 42 is connected to the push plate 41 and is used to push the push plate 41 to slide along the direction of the extension of the first positioning plate 51, so that the side of the mold core 3 slides along the first positioning plate 51.

[0062] Specifically, the driving component 42 in this embodiment of the present invention can be any one of a cylinder, a hydraulic cylinder, and a linear motor. Specifically, the driving component 42 in this embodiment of the present invention is a linear motor.

[0063] In the above structure, as one embodiment, the return line in this utility model embodiment is provided with a first station 21, a second station 22 and a third station 23 in sequence along the direction from the first end to the second end. The translation component is used to push the mold core 3 from the first station 21 to the third station 23. Limiting grooves 24 are provided on the first station 21 and the second station 22. The limiting grooves 24 are used to guide the mold core 3. The limiting grooves 24 are provided along the direction of the return line. The width of the limiting grooves 24 is adapted to the width of the mold core 3, and the height of the limiting grooves 24 is less than the height of the mold core 3.

[0064] Specifically, when the mold core 3 is placed on the first station 21 of the return line, the mold core 3 is locked in the limiting groove 24 to locate the position of the mold core 3, and the mold core 3 is moved from the first station 21 to the third station 23 by the translation component.

[0065] Furthermore, as one embodiment, the translation component in this utility model includes a first pusher and a first translation drive 61, wherein the first pusher is disposed on one side of the first station 21, and the first translation drive 61 is connected to the first pusher. The first translation drive 61 is used to drive the first pusher to move along the return line so that the mold core 3 moves from the first station 21 to the second station 22.

[0066] Specifically, the first translation driving part 61 drives the first pushing part to move, by controlling the stroke of the first translation driving part 61, the mold pin 3 is moved from the first station 21 to the second station 22, specifically, the embodiment of the utility model drives the first translation driving part 61 specifically be a rodless cylinder.

[0067] Further, the translation assembly in the embodiment of the utility model further includes a second pushing part 62, an extension driving part 63 and a second translation driving part 64, the second pushing part 62 is arranged at one side of the second station 22, the extension driving part 63 is connected with the second pushing part 62, the extension driving part 63 is used to drive the second pushing part 62 to move in the width direction of the backflow line, the second pushing part 62 is connected with the extension driving part 63, the second translation driving part 64 is used to drive the extension driving part 63 and the second pushing part 62 to move in the length direction of the backflow line, and the mold pin is moved from the second station to the third station.

[0068] Specifically, after the first pushing part moves the mold pin 3 from the first station 21 to the second station 22, the first translation driving part 61 drives the first pushing part to reset to the initial position, the extension driving part 63 drives the second pushing part 62 to extend, and the second translation driving part 64 drives the extension driving part 63 and the second pushing part 62 to move, so that the mold pin 3 is moved from the second station 22 to the first station 21, the second translation driving part 64 drives the extension driving part 63 and the second pushing part 62 to reset, and the extension driving part 63 drives the second pushing part 62 to retract to the initial position.

[0069] In the above structure, as one of the preferred embodiments, as shown in Figures 2 to 4 The mold pin backflow mechanism in the embodiment of the utility model further includes a transfer mechanism, the transfer mechanism is used to drive the mold pin to move from the outlet end of the injection molding machine to the first end of the backflow line. The mold pin 3 is transferred by the transfer mechanism, without manual intervention, and the working efficiency is higher.

[0070] In the above structure, the top of the body of the mold core 3 is provided with two clamping grooves, as one of the specific embodiments, the transfer mechanism includes a mechanical hand, a mounting plate 71, a first connecting plate 72, a second connecting plate 73, a jaw 74 and a clamping driving element 75, wherein the mounting plate 71 is connected to the end of the mechanical hand, the mechanical hand can be the existing six-axis mechanical hand, more flexible, the first connecting plate 72 and the second connecting plate 73 are spaced apart along the length direction of the mounting plate 71, the first connecting plate 72 and the second connecting plate 73 are movably arranged on the mounting plate 71, the jaw 74 is used for cooperating with the clamping groove, the jaw 74 is provided with two, and is arranged on the first connecting plate 72 and the second connecting plate 73 respectively, the clamping driving element 75 is used for driving the first connecting plate 72 and the second connecting plate 73 to move close to or away from each other, when the two jaws 74 are inserted into the two clamping grooves respectively, the two clamping grooves are clamped by the clamping driving element 75, and the mold core 3 is transferred to the first station 21 of the reflow line by the mechanical hand.

[0071] As one of the specific embodiments, the first connecting plate 72 and the mounting plate 71 are fixedly connected in the embodiment of the utility model, the second connecting plate 73 and the mounting plate 71 are movably connected, the telescopic end of the first driving element 75 is connected with the second connecting plate 73, the two jaws 74 are fixedly arranged on the first connecting plate 72 and the second connecting plate 73 respectively, and the transfer mechanism further includes a limiting plate 781, a limiting rod 782 and a limiting element 783.

[0072] Further, in order to facilitate the transfer mechanism to transfer the mold core 3 and the catheter after the catheterization to the injection molding machine, as one of the embodiments, the transfer mechanism further includes a mounting rod 76 and a catheter clamping clamp 77, the mounting rod 76 is connected with the mounting plate 71, and the catheter clamping clamp 77 is arranged on the mounting rod 76 and used for clamping the catheter.

[0073] Further, as one of the embodiments, the catheter clamping clamp 77 is provided with at least two and is spaced apart along the length direction of the mounting rod 76.

[0074] The above description of disclosed embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A core reflow mechanism, characterized by, The application relates to a mould core backflow mechanism. The mechanism comprises: a positioning station; a backflow line arranged on one side of the positioning station, a first end of the backflow line being used for recycling mould cores (3), and a second end of the backflow line being arranged close to one end of the positioning station; a pushing assembly arranged on the side of the backflow line away from the positioning station and used for pushing the mould cores (3) located at the second end of the backflow line to the positioning station; a translation assembly used for moving the mould cores (3) from the first end to the second end of the backflow line.

2. The mould core backflow mechanism according to claim 1, further comprising: a first positioning plate (51) arranged at the second end of the backflow line; a second positioning plate (52) arranged on the side of the positioning station away from the pushing assembly, the second positioning plate (52) being provided with positioning holes (53) for the mould cores (3) to pass through; a positioning piece (54) arranged at one end of the positioning station away from the first positioning plate (51), and the extension end of the positioning piece (54) being in abutment with the end face of the mould core (3).

3. The mould core backflow mechanism according to claim 2, wherein the pushing assembly comprises: a pushing plate (41) arranged on the side of the backflow line away from the second positioning plate (52); and a pushing driving piece (42) connected with the pushing plate (41) and used for sliding the pushing plate (41) along the direction in which the first positioning plate (51) extends.

4. The mould core backflow mechanism according to any one of claims 1 to 3, wherein a first station (21), a second station (22) and a third station (23) are sequentially arranged along the direction from the first end to the second end of the backflow line, and the translation assembly is used for pushing the mould core (3) from the first station (21) to the third station (23); a limiting groove (24) arranged on the first station (21) and the second station (22) and used for guiding the mould core (3), the limiting groove (24) being arranged along the direction in which the backflow line extends, the width of the limiting groove (24) being matched with the width of the mould core (3), and the height of the limiting groove (24) being smaller than the height of the mould core (3).

5. The mould core backflow mechanism according to claim 4, wherein the translation assembly comprises: a first pushing piece arranged on one side of the first station (21); and a first translation driving piece (61) connected with the first pushing piece and used for moving the first pushing piece along the backflow line so as to move the mould core (3) from the first station (21) to the second station (22).

6. The mould core backflow mechanism according to claim 5, wherein the translation assembly further comprises: a second pushing piece (62) arranged on one side of the second station (22); and a stretching driving piece (63) connected with the second pushing piece (62) and used for moving the second pushing piece (62) along the width direction of the backflow line. ​ ​ ​ ​ A second translation driving element (64) is connected with the extension driving element (63) and used to drive the extension driving element (63) and the second pushing element (62) to move along the length direction of the backflow line.

7. The mold core backflow mechanism according to any one of claims 1-3, 5-6, characterized in that, Further comprising: A transfer mechanism used to drive the mold core (3) to move from the outlet end of the injection molding machine to the first end of the backflow line.

8. The mold core backflow mechanism according to claim 7, characterized in that, Two clamping grooves are arranged at the top of the mold core (3) in intervals; The transfer mechanism comprises: A robot; A mounting plate (71) connected with the end of the robot; A first connecting plate (72) and a second connecting plate (73) arranged in intervals along the length direction of the mounting plate (71), the first connecting plate (72) and the second connecting plate (73) are both provided with a clamping jaw (74), the clamping jaw (74) is used to correspond to the clamping groove; A clamping driving element (75) used to drive the two clamping jaws (74) to clamp the clamping groove.

9. The mold core backflow mechanism according to claim 8, characterized in that, The transfer mechanism further comprises: A mounting rod (76) connected with the mounting plate; A catheter clamping clamp (77) arranged on the mounting rod (76) and used to clamp the catheter.

10. An injection molding loading and unloading apparatus, characterized by, The mold core backflow mechanism according to any one of claims 1-9.

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