Reaming mechanism

Abstract

The utility model discloses a reaming mechanism which comprises a machine frame, a clamping assembly and a heating block are arranged on the machine frame, the heating block is connected with the machine frame in a sliding mode, the clamping assembly can move in an opening and closing mode so as to be used for clamping an object to be reamed, the heating block is at least fixedly provided with a reaming head, and the tail end of the reaming head extends towards the clamping assembly. The rack is provided with a driving piece used for controlling the heating block to move relative to the clamping assembly. According to the device, the infusion tubes can be reamed, one-to-many reaming actions can be realized, a plurality of infusion tubes can be reamed at a time, after reaming, the device can guide and clamp the infusion tubes when clamping the infusion tubes, and meanwhile, the infusion tubes cannot be easily clamped to be deformed; the infusion tube can maintain the original round shape and wait for a reaming head to be inserted, and therefore the reaming effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of reaming equipment, and particularly relates to a reaming mechanism. BACKGROUND

[0002] The infusion tube is machined with four or more delivery tubes at the same time in production, and some pins need to be inserted into the infusion tube, but the diameter of the infusion tube is generally smaller than the pins and other devices, so the infusion tube needs to be reamed before the pins are inserted, and the infusion hole is easily flattened when the infusion tube is clamped, so the reaming action is not easy to perform. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a reaming mechanism to overcome the deficiencies in the prior art.

[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] The reaming mechanism comprises a rack, a clamping assembly and a heating block mounted on the rack, the heating block is slidably connected with the rack, the clamping assembly can be opened and closed to clamp the object to be reamed, the heating block is provided with at least one reaming head, the end of the reaming head extends to the clamping assembly, and the rack is provided with a driving member for controlling the movement of the heating block relative to the clamping assembly.

[0006] Further, the clamping assembly comprises two vertically arranged lifting cylinders, the piston rods of the two lifting cylinders are respectively provided with an upper jig plate and a lower jig plate, the upper jig plate and the lower jig plate are matched when they are close to each other, and the clamping hole for clamping the object to be reamed is formed between the upper jig plate and the lower jig plate.

[0007] Further, the upper jig plate and the lower jig plate are fixed by overlapping a plurality of positioning convex plates and positioning concave plates, the positioning convex plate is provided with a jacking plate extending upward, the jacking plate is provided with a positioning profiling hole at the top, the positioning concave plate is provided with a V-shaped groove recessed downward, and the V-shaped groove is provided with a positioning profiling hole at the middle.

[0008] Further, the vertical position of the positioning convex plate of the upper jig plate corresponds to the vertical position of the positioning concave plate of the lower jig plate, and the positioning profiling holes between the upper jig plate and the lower jig plate cooperate to form the clamping hole for clamping the object to be reamed.

[0009] Further, the positioning convex plates and the positioning concave plates arranged on the upper jig plate and the lower jig plate are staggered and spaced, and the arrangement sequence of the positioning convex plates and the positioning concave plates of the upper jig plate is opposite to that of the lower jig plate. Therefore, when the upper jig plate and the lower jig plate move towards each other or move away from each other, the positioning convex plates of each other can provide a guiding effect for the movement process.

[0010] Further, the reaming head is arranged horizontally with the clamping hole. When the upper jig plate and the lower jig plate need to clamp the to-be-processed object, the clamping hole formed between the upper jig plate and the lower jig plate is coaxially arranged with the reaming head, so that the reaming head can directly ream when moving forward and backward.

[0011] Further, the driving member is a cylinder horizontally arranged on the rack, and the cylinder controls the horizontal movement of the heating block relative to the clamping assembly.

[0012] Further, the piston rods of the two lifting cylinders are vertically arranged towards each other.

[0013] Further, the rack is further fixedly provided with a buffer, and the buffer is arranged on one side of the heating block.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] The utility model can ream the infusion tube, and can realize the reaming action of one out of multiple, ream multiple infusion tubes at a time. After reaming, the utility model can guide and clamp the infusion tube, and the infusion tube can not be easily clamped to be deformed, and the infusion tube can maintain the original circular shape, wait for the reaming head to be inserted, so that the reaming effect is achieved.

[0016] Meanwhile, the utility model can also ream some other objects by replacing the clamping assembly of different shapes, and different shapes of clamping assemblies can be used according to actual needs. DRAWINGS

[0017] Fig. 1 It is a three-dimensional structure schematic diagram of the utility model;

[0018] Fig. 2 It is a structure schematic diagram of the upper and lower jig plates.

[0019] ANNOTATIONS OF THE DRAWINGS:

[0020] 1, rack; 2, cylinder; 3, lifting cylinder; 4, upper fixture plate; 5, lower fixture plate; 6, positioning convex plate; 7, positioning concave plate; 8, jacking plate; 9, V-shaped groove; 10, positioning profiling hole; 11, buffer; 12, reaming head; 13, heating block; 14, protective cover; 15, temperature controller. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, many specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a variety of ways other than those described herein, and skilled in the art can make similar improvements without departing from the spirit of the present application, therefore the present application is not limited to the specific embodiments disclosed below.

[0022] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element. When a number of elements are referred to as "a plurality" of elements, it can be any number greater than or equal to two. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be limiting.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0024] The present application will be described in detail below with reference to the embodiments shown in the drawings:

[0025] As Figs. 1-2 shown, a reaming mechanism

[0026] The rack 1 is installed

[0027] First, the rack 1 of the reaming mechanism is stably placed on the working plane. The rack 1 is made of high-strength metal material to ensure the stability of the entire mechanism during operation.

[0028] The clamping assembly is installed

[0029] Two lifting cylinders 3 are vertically installed on the frame 1, ensuring that the piston rods can be stably extended up and down. At the end of the piston rod of each lifting cylinder 3, an upper jig plate 4 and a lower jig plate 5 are respectively and accurately installed. The installation positions of the upper jig plate 4 and the lower jig plate 5 are ensured to be accurately close or away from each other when the lifting cylinder 3 is normally working.

[0030] The upper jig plate 4 and the lower jig plate 5 are fixed by overlapping a plurality of positioning convex plates 6 and positioning concave plates 7. During assembly, the mutual staggered spacing arrangement relationship of the positioning convex plates 6 and the positioning concave plates 7 is carefully checked, and the vertical positions of the positioning convex plates 6 of the upper jig plate 4 and the positioning concave plates 7 of the lower jig plate 5 are ensured to correspond to each other, so that the positioning profiling holes 10 therebetween can accurately match to form a clamping hole for clamping the object to be reamed. The positioning convex plate 6 is provided with an upwardly extending jacking plate 8, and the jacking plate 8 is provided at the top with a positioning profiling hole 10. The positioning concave plate 7 is provided with a downwardly recessed V-shaped groove 9, and the V-shaped groove 9 is provided at the middle with a positioning profiling hole 10. During clamping, the positioning convex plate 6 of the upper jig plate 4 is in abutment with the positioning concave plate 7 of the lower jig plate 5, and the positioning concave plate 7 of the upper jig plate 4 is in abutment with the positioning convex plate 6 of the lower jig plate 5.

[0031] Heating block 13 and reaming head 12 installation

[0032] The heating block 13 is slidably connected with the frame 1 through a sliding rail, ensuring that the heating block 13 can be stably horizontally moved on the frame 1. At least one reaming head 12 is fixedly installed on the heating block 13, and the distal end of the reaming head 12 accurately extends towards the clamping assembly, and the reaming head 12 is ensured to be horizontally arranged with the clamping hole, so that the reaming head 12 and the clamping hole can be coaxially arranged when the clamping assembly clamps the object to be reamed.

[0033] Driving member installation

[0034] The horizontally arranged cylinder 2 is installed on the frame 1 and connected with the heating block 13, so that the cylinder 2 can accurately control the horizontal movement of the heating block 13 relative to the clamping assembly.

[0035] II. Reaming operation process

[0036] Object placement

[0037] When multiple objects such as infusion tubes need to be reamed, the multiple infusion tubes are placed between the upper jig plate 4 and the lower jig plate 5 in an open state. Since the positioning convex plate 6 and the positioning concave plate 7 arranged on the upper jig plate 4 and the lower jig plate 5 are staggered and arranged in opposite order, the positioning convex plate 6 of each other can provide a guiding effect for the movement of the upper jig plate 4 and the lower jig plate 5. The upper jig plate 4 and the lower jig plate 5 are respectively fixed on the piston rod of the air cylinder 2, so that the opening and closing action can be performed.

[0038] Clamping assembly closing

[0039] The two lifting air cylinders 3 are started to move the upper jig plate 4 and the lower jig plate 5 towards each other. In this process, the positioning convex plate 6 and the positioning concave plate 7 continue to provide a guiding effect for the movement, ensuring that the upper jig plate 4 and the lower jig plate 5 are accurately closed. When closed to a certain extent, the clamping hole formed by the cooperation of the positioning profiled holes 10 between the upper jig plate 4 and the lower jig plate 5 can tightly clamp the infusion tube, and since the shape of the positioning profiled hole 10 is adapted to the outer shape of the infusion tube, the infusion tube will not be easily deformed when clamped, and can maintain its original circular shape.

[0040] Heating and reaming

[0041] The heating block 13 is started to heat the reaming head 12, and the appropriate heating temperature and time are set according to the material of the infusion tube and the reaming requirement. When the reaming head 12 reaches the appropriate temperature, the driving member (air cylinder 2) is started to move the heating block 13 and the reaming head 12 horizontally towards the clamping assembly. Since the reaming head 12 is coaxially arranged with the clamping hole, the reaming head 12 can be directly inserted into the clamped infusion tube for reaming operation. The frame 1 is also fixedly provided with a buffer 11 arranged on one side of the heating block 13. When the reaming head 12 moves outwards, the buffer 11 can buffer to avoid deformation of the round tube caused by the reaming head 12 moving too fast.

[0042] Specifically, a temperature controller 15 is also fixedly arranged on the frame, which is connected with the heating block. The temperature controller 15 can control the heating temperature of the heating block, and can adjust the appropriate heating temperature when facing different materials. The protective cover is arranged to effectively avoid scalding accidents.

[0043] One-out-multiple reaming implementation

[0044] Since the clamping hole between the upper jig plate 4 and the lower jig plate 5 is designed in a way that can accommodate multiple infusion tubes at the same time, when the reaming head 12 performs reaming operation, multiple infusion tubes can be reamed at the same time, realizing one-out-multiple reaming action.

[0045] Treatment after reaming

[0046] After reaming is completed, the driving member (cylinder 2) controls the heating block 13 to drive the reamer head 12 away from the clamping assembly. Then, the lifting cylinder 3 controls the upper fixture plate 4 and the lower fixture plate 5 to move away in opposite directions to open, at which time the reamed infusion tube can still maintain a good shape and can be conveniently collected or processed for subsequent operations.

[0047] Adaptability of reaming different objects

[0048] If reaming is required for objects of other shapes, it is only necessary to replace the clamping assembly composed of the upper fixture plate 4 and the lower fixture plate 5 with a corresponding shape positioning profiling hole 10. For example, for other pipe materials of circular shape or small objects with a specific shape profile, the shape of the positioning profiling hole 10 can be redesigned according to the shape, and then the reaming operation can be performed according to the above installation and operation steps.

[0049] It is worth mentioning that: the rack 1 of the utility model is provided with guide rails, so that the heating block 13 can slide on the rack 1, and the piston rod end of the cylinder 2 is fixed with the heating block 13, so that the forward and backward movement of the heating block 13 can be controlled. In order to insulate heat, a protective cover 14 is arranged around the heating block 13, and the reamer head 12 extends out of the protective cover 14. The reamer head 12 is in direct contact with the heating block 13 and can conduct heat. When reaming, the reamer head 12 is directly inserted into one end of the circular pipe to heat the circular pipe. After the circular pipe naturally cools down, it will be shaped, thereby completing the reaming.

[0050] The following is a supplement to the cooperation mode of the heating block 13 and the clamping assembly in the reaming mechanism:

[0051] I. Spatial position cooperation

[0052] Coaxial alignment

[0053] The reamer head 12 in the heating block 13 and the clamping hole in the clamping assembly maintain a coaxial relationship in space. When the clamping assembly is closed, the center axis of the clamping hole formed by the upper fixture plate 4 and the lower fixture plate 5 is completely coincident with the center axis of the reamer head 12. This design ensures that the reamer head 12 can be accurately inserted into the clamped object to be reamed during horizontal movement for reaming operation.

[0054] In order to realize this coaxial alignment, during installation of the heating block 13 and the clamping assembly, accurate measurement and positioning devices are used for calibration. For example, reference marks are arranged on the rack 1, and the installation position of the heating block 13 is taken as a reference, and alignment devices such as guide pins are arranged on the heating block 13, which cooperate with the corresponding guide holes on the clamping assembly, thereby ensuring the coaxiality of the reamer head 12 and the clamping hole.

[0055] Horizontal distance adjustment

[0056] The horizontal distance between the heating block 13 and the clamping assembly needs to be adjusted accurately according to the size of the reaming head 12 and the size of the object to be reamed. Since the heating block 13 is connected to the frame 1 by sliding along the track, the initial horizontal distance between the heating block 13 and the clamping assembly can be set by adjusting the position of the heating block 13 on the track during initial installation.

[0057] This distance should ensure that the reaming head 12 can be smoothly inserted into the object to be reamed in the clamping hole, and should not be too large to cause the reaming head 12 to move too far, affecting the reaming accuracy or causing energy loss. Generally, this distance is controlled within a few millimeters to tens of millimeters, and the specific value is determined according to the actual reaming process requirements.

[0058] II. Motion coordination

[0059] Synchronization of relative movement

[0060] When the driving member (cylinder 2) controls the horizontal movement of the heating block 13 relative to the clamping assembly, the movement speed and acceleration of the heating block 13 need to match the state of the clamping assembly. For example, before the reaming operation starts, the heating block 13 needs to approach the clamping assembly at a slow speed to avoid collision between the reaming head 12 and the object to be reamed.

[0061] When the clamping assembly clamps the object to be reamed, the heating block 13 drives the reaming head 12 to insert into the object according to the preset program at a stable speed to perform reaming. After reaming is completed, the heating block 13 needs to move away from the clamping assembly at an appropriate speed, ensuring that the reaming head 12 completely exits the object to be reamed without causing pulling or damage to the object.

[0062] Coordination of action sequence

[0063] The action sequence of the clamping assembly and the heating block 13 is strictly coordinated. First, the clamping assembly is opened, the object to be reamed is placed in the clamping hole, and then the clamping assembly is closed to clamp the object. Only after the clamping assembly clamps the object and confirms the correct position, the heating block 13 starts to activate and moves towards the clamping assembly for reaming operation.

[0064] This action sequence is achieved through the control system, which controls the electromagnetic valves of the lifting cylinder 3 (controls the opening and closing of the clamping assembly) and the driving cylinder 2 (controls the movement of the heating block 13) in order to ensure that each action is performed in the correct sequence.

[0065] III. Guiding coordination

[0066] Linear guidance

[0067] The heating block 13 needs to keep straight line movement during moving relative to the clamping assembly to ensure the hole expanding head 12 is accurately inserted into the article to be expanded in the clamping hole. For this purpose, the sliding track on the frame 1 is designed as a high-precision straight line guide, and a sliding block matched therewith is installed on the bottom of the heating block 13.

[0068] Meanwhile, some auxiliary guiding devices can also be arranged on the clamping assembly, such as guiding plates arranged on the side surface of the clamping assembly, and the heating block 13 keeps a certain gap with the guiding plates during moving to prevent the heating block 13 from deviating during horizontal movement.

[0069] Positioning guide

[0070] At the initial position of the heating block 13 close to the clamping assembly, a positioning structure can be arranged to ensure the initial position of the heating block 13 is accurate. For example, a positioning pin is arranged on the heating block 13, and when the heating block 13 moves to the initial position, the positioning pin is inserted into the corresponding positioning hole on the clamping assembly or the frame 1, thereby providing an accurate starting position reference for subsequent hole expanding operation.

[0071] The technical features of the above-described embodiments can be combined arbitrarily, and for the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combinations of the technical features do not exist contradictions, they should be considered as the scope of the present disclosure, and those of ordinary skill in the art can make several modifications and improvements without departing from the concept of the present disclosure, which are all within the protection scope of the present disclosure. Therefore, the protection scope of the present patent should be subject to the appended claims.

Claims

1. A reaming mechanism, characterised in that: The machine frame is provided with a clamping assembly and a heating block. The heating block is slidably connected to the machine frame. The clamping assembly is openable and closable to clamp the object to be reamed. The heating block is provided with at least one reaming head. The end of the reaming head extends to the clamping assembly. The machine frame is provided with a driving member for controlling the movement of the heating block relative to the clamping assembly.

2. The reaming mechanism of claim 1, wherein: The clamping assembly comprises two vertically arranged lifting cylinders. The piston rods of the two lifting cylinders are respectively provided with an upper jig plate and a lower jig plate. The upper jig plate and the lower jig plate cooperatively form a clamping hole for clamping the object to be reamed.

3. The reaming mechanism of claim 2, wherein: The upper jig plate and the lower jig plate are fixed by a plurality of positioning convex plates and positioning concave plates. The positioning convex plate is provided with a jacking plate extending upward. The jacking plate is provided with a positioning profiling hole at the top. The positioning concave plate is provided with a V-shaped groove recessed downward. The V-shaped groove is provided with a positioning profiling hole at the middle.

4. The reaming mechanism of claim 3, wherein: The vertical positions of the positioning convex plates of the upper jig plate correspond to the vertical positions of the positioning concave plates of the lower jig plate. The positioning profiling holes between the upper jig plate and the lower jig plate cooperatively form a clamping hole for clamping the object to be reamed.

5. The reaming mechanism of claim 3, wherein: The positioning convex plates and the positioning concave plates of the upper jig plate and the lower jig plate are arranged in an interlaced manner. The arrangement sequence of the positioning convex plates and the positioning concave plates of the upper jig plate is opposite to that of the lower jig plate.

6. The reaming mechanism of claim 2, wherein: The reaming head is arranged in the same horizontal line as the clamping hole.

7. The reaming mechanism of claim 1, wherein: The driving member is a horizontally arranged cylinder on the machine frame. The cylinder controls the horizontal movement of the heating block relative to the clamping assembly.

8. The reaming mechanism of claim 2, wherein: The piston rods of the two lifting cylinders are vertically arranged towards each other.

9. The reaming mechanism of claim 1, wherein: The machine frame is further provided with a buffer arranged on one side of the heating block.

Images