Pressing shifting fork device and chamfering machine thereof

Abstract

According to the pressing shifting fork device and the chamfering machine, the pressing shifting fork device is connected with a telescopic driving assembly through a telescopic adjusting mechanism, a guide pressing head and a cushion block are oppositely arranged, and when the telescopic driving assembly drives the guide pressing head to be close to the cushion block, the guide pressing head can enable a heat exchange tube between the guide pressing head and the cushion block to be located at the preset position of the cushion block; and the heat exchange tube is clamped, so that the heat exchange tube can be chamfered subsequently. The preset position is the position where the heat exchange tube is located when the chamfering is qualified. When the telescopic driving assembly drives the guide pressing head to approach the cushion block, the guide pressing head can enable the heat exchange tube between the telescopic driving assembly and the guide pressing head to be located at the preset position of the cushion block, so that the guide effect is achieved, it is guaranteed that the heat exchange tube is located at the preset position of the cushion block, and deformation of a copper tube opening at a chamfer due to deviation of the heat exchange tube is prevented. In addition, the pressing shifting fork can guide the heat exchange pipes of different models, the production requirements of the heat exchange pipes of various models are met, the machine adjusting time for pipe type switching is shortened, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a chamfering machine technical field especially, it relates to a kind of pressing yoke device and chamfering machine thereof. BACKGROUND

[0002] Efficient heat exchange pipe is the core heat exchange component of air conditioner, plays the insulation of pressure bearing, heat exchange, medium exchange in whole heat exchange system, for commercial shell and tube heat exchanger, the assembly of efficient tube heat exchange pipe is by heat exchange pipe is inserted into shell tube plate pipe hole, makes heat exchange pipe both ends light pipe section and tube plate flush, then expands and connects, makes heat exchange pipe light pipe section expansion thinning, and tube plate is closely attached, realizes the effect of pressure bearing, sealing.

[0003] In order to make heat exchange pipe and tube plate pipe expansion joint can better be carried out, realize good pressure sealing effect, need to guarantee the cleanness of the both ends light pipe section of efficient tube, need to remove burr, burr produced in the both ends pipe orifice of efficient tube production.And need to exist certain chamfer, facilitate the insertion of heat exchange pipe.

[0004] On the chamfering equipment of current heat exchange pipe, copper pipe is sent to chamfering device by material conveying belt cooperation heat exchange pipe pressing device, the existing pressing device is the way of clamping by upper clamp block and lower clamp block, and the side of upper clamp block facing lower clamp block and the side of lower clamp block facing upper clamp block are all structured with semicircular clamping groove adapted to heat exchange pipe, heat exchange pipe is not easy to align with semicircular clamping groove when loading, leading to easy deviation, causing copper pipe orifice deformation at chamfering place. INNOVATION CONTENT

[0005] The utility model aims at providing a kind of pressing yoke device and chamfering machine, to solve the technical problem that the pressing device of existing chamfering machine does not have guiding effect and is easy to cause heat exchange pipe deviation.

[0006] In order to solve the above problems, according to one aspect of the present application, the utility model embodiment provides a kind of pressing yoke device, for chamfering machine, the chamfering machine includes conveying device and pressing device, the pressing device includes pad and the telescopic drive component that can be close to or far from the pad, the pressing yoke device includes guide pressure head and the telescopic adjusting mechanism connected with the guide pressure head, the telescopic adjusting mechanism is connected with the telescopic drive component, the guide pressure head is oppositely arranged with pad, the guide pressure head is close to the pad can make heat exchange pipe between the two at the preset position of the pad.

[0007] In some embodiments, the guiding pressure head comprises a connecting rod and two guiding heads connected to one end of the connecting rod, the two guiding heads extend away from the one end of the connecting rod towards the cushion block, and the two guiding heads are symmetrically arranged with the connecting rod as the center line, so that the connecting rod and the two guiding heads form a Y-shaped structure, and the other end of the connecting rod is connected to the telescopic adjusting mechanism.

[0008] In some embodiments, the telescopic adjusting mechanism comprises an elastic member and a sleeve with a first opening at one end, the sleeve is connected to the telescopic driving assembly, the other end of the connecting rod is inserted into the sleeve through the first opening, and the elastic member is clamped between the inner wall of the other end of the sleeve and the other end of the connecting rod.

[0009] In some embodiments, the telescopic adjusting mechanism further comprises a sliding block and a limiting member, the sliding block is arranged in the sleeve and is axially slidable, the other end of the connecting rod is connected to the sliding block, the elastic member is clamped between the inner wall of the other end of the sleeve and the sliding block, a guide groove extending in the axial direction is formed on the sleeve, and the limiting member is arranged on the sliding block and passes through the guide groove.

[0010] In some embodiments, the sliding block is configured with a connecting portion on the side facing the connecting rod, and the connecting portion is connected to the other end of the connecting rod.

[0011] In some embodiments, the sliding block further comprises a positioning portion configured on the side away from the connecting rod, and one end of the elastic member is sleeved on the positioning portion.

[0012] In some embodiments, the telescopic adjusting mechanism further comprises an adjusting member, the other end of the sleeve has an insertion hole, the adjusting member is inserted into the insertion hole and abuts against one end of the elastic member away from the connecting rod, the inner wall of the insertion hole is configured with an internal thread, the outer wall of the adjusting member is configured with an external thread, and the internal thread matches the external thread.

[0013] In some embodiments, the telescopic adjusting mechanism further comprises a gasket clamped between the adjusting member and the elastic member, the outer periphery of the gasket is configured with a limiting ring extending away from the adjusting member, and one end of the elastic member away from the connecting rod is located in the limiting ring.

[0014] In some embodiments, the pressing fork device further comprises a fixing plate connected to the telescopic driving assembly, a through hole is formed on the fixing plate, one end of the sleeve is arranged on the fixing plate, and the through hole is aligned with the first opening.

[0015] According to another aspect of the present application, the utility model embodiment further provides a chamfering machine, the chamfering machine includes conveying device, pressing device and the pressing yoke device as described above, the pressing yoke device sets up on the pressing device, is used to the heat exchange pipe between the guide pressure head and the cushion block of conveying device to the guide pressure head of pressing yoke device and the cushion block between the pressing device is guided and is pressed tightly.

[0016] Compared with the prior art, the pressing yoke device has at least the following beneficial effects:

[0017] The utility model discloses a kind of pressing yoke devices, which is used for chamfering machine, chamfering machine includes conveying device and pressing device, conveying device is used to heat exchange pipe between guide pressure head and cushion block, and pressing device includes cushion block and telescopic drive component that can be close to or away from cushion block, pressing yoke device includes guide pressure head and telescopic adjusting mechanism connected with guide pressure head, and guide pressure head is oppositely arranged with cushion block, when telescopic drive component drives guide pressure head to be close to cushion block, guide pressure head can make heat exchange pipe between the two be in the preset position of cushion block, and heat exchange pipe is clamped, for subsequent chamfering of heat exchange pipe.The preset position is the position when heat exchange pipe is located in chamfering qualified.The utility model discloses when telescopic drive component drives guide pressure head to be close to cushion block, guide pressure head can make heat exchange pipe between the two be in the preset position of cushion block, so it has guiding effect, guarantee heat exchange pipe to be in the preset position of cushion block, prevent heat exchange pipe from being deformed due to run-off and cause chamfering copper pipe mouth deformation.In addition, pressing yoke can guide different models of heat exchange pipe, meet the production demand of various models of heat exchange pipe, reduce the switching pipe type adjustment time, improve production efficiency.

[0018] Another aspect, the chamfering machine provided by the utility model is manufactured based on the above-mentioned pressing yoke device, and its beneficial effects refer to those of the above-mentioned pressing yoke device, which will not be repeated here.

[0019] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and the contents of the specification can be implemented, the following will be described in detail with the preferred embodiments of the utility model and the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will briefly introduce the drawings needed to be used in embodiment description, obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0021] Figure 1The utility model provides a three -dimensional structure schematic diagram of compression device for the embodiment of the utility model provides;

[0022] Figure 2 The utility model provides a three -dimensional sectional view of sleeve ring subassembly for the embodiment of the utility model provides;

[0023] Figure 3 The utility model provides a dismounting structure schematic diagram of compression device for the embodiment of the utility model provides;

[0024] Figure 4 The utility model provides a dismounting structure schematic diagram of compression device another visual angle for the embodiment of the utility model provides;

[0025] Figure 5 The utility model provides a structure schematic diagram of sliding block of compression device for the embodiment of the utility model provides;

[0026] Figure 6 The utility model provides a structure schematic diagram of sleeve of compression device for the embodiment of the utility model provides;

[0027] Figure 7 The utility model provides a structure schematic diagram of guide pressure head of compression device for the embodiment of the utility model provides.

[0028] Mark explanation:

[0029] 2, guide pressure head;21, connecting rod;22, guide head;

[0030] 3, telescopic adjusting mechanism;31, elastic part;32, sleeve;321, first opening;322, guide groove;323, plug-in hole;33, sliding block;331, connecting portion;332, positioning portion;34, adjusting part;35, gasket;351, limit ring;4, fixed plate;41, via hole. Specific implementation

[0031] In order to further explain the technical means and effects taken by the utility model to achieve the predetermined utility model purposes, the following will be combined with the drawings and the preferred embodiments, and the specific implementation, structure, features and effects according to the utility model application will be described in detail as follows.In the following description, different "an embodiment" or "embodiments" do not necessarily refer to the same embodiment.In addition, the specific features, structures or characteristics in one or more embodiments can be combined in any suitable form.

[0032] In the description of the utility model, it needs to be clear that the utility model's description and claim and the above-mentioned drawing's terms "first", "second" and the like are used for distinguishing similar objects, and do not have to be used for describing specific order or antecedence order;The terms "vertical", "transverse", "longitudinal", "front", "back", "left", "right", "up", "down", "horizontal" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawing, and are only for the convenience of describing the utility model, and do not mean that the device or element indicated must have a specific orientation or position, so it can not be understood as the limitation of the utility model.

[0033] In the description of the utility model, it needs to be clear that the utility model's description and claim and the above-mentioned drawing's terms "first", "second" and the like are used for distinguishing similar objects, and do not have to be used for describing specific order or antecedence order;The terms "vertical", "transverse", "longitudinal", "front", "back", "left", "right", "up", "down", "horizontal" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawing, and are only for the convenience of describing the utility model, and do not mean that the device or element indicated must have a specific orientation or position, so it can not be understood as the limitation of the utility model.

[0034] Embodiment 1

[0035] As Figures 1-7 The utility model discloses a pressing fork device for chamfering machine, chamfering machine includes conveying device and pressing device, and the pressing device includes cushion block and the telescopic drive component that can be close to or far from the cushion block, the pressing fork device includes guide pressure head 2 and the telescopic adjusting mechanism 3 that is connected with guide pressure head 2, and the telescopic adjusting mechanism 3 is connected with the telescopic drive component, and the guide pressure head 2 is opposite to the cushion block, and the guide pressure head 2 can make the heat exchange pipe between the two to be located at the preset position of the cushion block by being close to the cushion block.

[0036] In the embodiment, the pressing fork device is used for chamfering machine, and the chamfering machine includes a conveying device and a pressing device.The conveying device is used for conveying the heat exchange pipe between the guide pressure head 2 and the cushion block.The pressing device includes a cushion block and a telescopic drive component capable of approaching or moving away from the cushion block.The pressing fork device includes a guide pressure head 2 and a telescopic adjusting mechanism 3 connected with the guide pressure head 2.In the embodiment, the telescopic adjusting mechanism 3 is connected with the telescopic drive component, and the guide pressure head 2 is opposite to the cushion block.When the telescopic drive component drives the guide pressure head 2 to approach the cushion block, the guide pressure head 2 can make the heat exchange pipe between the two to be located at the preset position of the cushion block, and clamp the heat exchange pipe for subsequent chamfering of the heat exchange pipe.The preset position is the position of the heat exchange pipe when the chamfering is qualified.

[0037] When the telescopic driving assembly drives the guide pressing head 2 to approach the cushion block, the guide pressing head 2 can make the heat exchange pipe between the two located at the preset position of the cushion block, thus having a guiding effect, ensuring that the heat exchange pipe is located at the preset position of the cushion block, and preventing the heat exchange pipe from being deformed due to deviation.

[0038] In addition, since the existing pressing device is loaded in the mode that the upper clamp block and the lower clamp block clamp, the side of the upper clamp block facing the lower clamp block and the side of the lower clamp block facing the upper clamp block are both configured with semicircular clamping grooves matched with the heat exchange pipe. For different models of heat exchange pipes with different pipe diameters, the upper clamp block and the lower clamp block with different clamping grooves need to be designed for clamping. Each time the heat exchange pipe of a different model is switched, the corresponding upper clamp block and lower clamp block need to be adjusted and replaced, increasing the machine adjustment time for switching the pipe type.

[0039] The telescopic adjusting mechanism 3 enables the guide pressing head 2 to flexibly guide and press the heat exchange pipe, preventing the heat exchange pipe from being deformed due to excessive pressure.

[0040] The pressing fork of the embodiment can guide different models of heat exchange pipes, meet the production needs of various models of heat exchange pipes, reduce the machine adjustment time for switching the pipe type, and improve the production efficiency.

[0041] If the cushion block adopts the original lower clamp block, only the lower clamp block needs to be replaced for different models of heat exchange pipes. The position of the lower clamp block can be positioned by placing the heat exchange pipe on the pressing fork during replacement of the lower clamp block, also reducing the machine adjustment time for switching the pipe type and improving the production efficiency.

[0042] In some embodiments, the guide pressing head 2 includes a connecting rod 21 and two guide heads 22 connected to one end of the connecting rod 21. The two guide heads 22 extend away from one end of the connecting rod 21 towards the cushion block, and the two guide heads 22 are symmetrically arranged with the connecting rod 21 as the center line, so that the connecting rod 21 and the two guide heads 22 form a Y-shaped structure. The other end of the connecting rod 21 is connected to the telescopic adjusting mechanism 3.

[0043] In the embodiment, the guide pressing head 2 includes a connecting rod 21 and two guide heads 22 connected to one end of the connecting rod 21. The two guide heads 22 extend away from one end of the connecting rod 21 towards the cushion block, and the two guide heads 22 are symmetrically arranged with the connecting rod 21 as the center line, so that the connecting rod 21 and the two guide heads 22 form a Y-shaped structure. When the telescopic driving assembly drives the guide pressing head 2 to approach the cushion block, the guide pressing head 2 guides the heat exchange pipe through the two guide heads 22. This ensures that the heat exchange pipe is located at the preset position of the cushion block, preventing the heat exchange pipe from being deformed due to deviation. At the same time, it can meet the production needs of various models of heat exchange pipes, reduce the machine adjustment time for switching the pipe type, and improve the production efficiency.

[0044] In some embodiments, the telescopic adjusting mechanism 3 comprises an elastic member 31 and a sleeve 32 with a first opening 321 at one end, the sleeve 32 is connected with the telescopic driving assembly, the other end of the connecting rod 21 is inserted into the sleeve 32 through the first opening 321, and the elastic member 31 is clamped between the inner wall of the other end of the sleeve 32 and the other end of the connecting rod 21.

[0045] In this embodiment, the sleeve 32 is connected with the telescopic driving assembly, the other end of the connecting rod 21 is inserted into the sleeve 32 through the first opening 321, and the elastic member 31 is clamped between the inner wall of the other end of the sleeve 32 and the other end of the connecting rod 21, which realizes the flexible guiding and pressing of the heat exchange pipe by the guide pressing head 2 and prevents the heat exchange pipe from being deformed due to excessive pressure.

[0046] In some embodiments, the telescopic adjusting mechanism 3 further comprises a sliding block 33 and a limiting member, the sliding block 33 is arranged in the sleeve 32 and can slide along the axial direction, the other end of the connecting rod 21 is connected with the sliding block 33, the elastic member 31 is clamped between the inner wall of the other end of the sleeve 32 and the sliding block 33, a guide groove 322 extending along the axial direction is formed on the sleeve 32, and the limiting member is arranged on the sliding block 33 and penetrates into the guide groove 322.

[0047] In this embodiment, the limiting member is arranged on the sliding block 33 and penetrates into the guide groove 322, which prevents the guide pressing head 2 from rotating in the sleeve 32 and improves the accuracy of guiding.

[0048] In some embodiments, the sliding block 33 is provided with a connecting portion 331 on the side facing the connecting rod 21, and the connecting portion 331 is connected with the other end of the connecting rod 21.

[0049] In some embodiments, the sliding block 33 further comprises a positioning portion 332, the positioning portion 332 is arranged on the side of the sliding block 33 away from the connecting rod 21, and one end of the elastic member 31 is sleeved on the positioning portion 332.

[0050] In this embodiment, one end of the elastic member 31 is sleeved on the positioning portion 332, which prevents the elastic member 31 from being separated from the sliding block 33.

[0051] In some embodiments, the telescopic adjusting mechanism 3 further comprises an adjusting member 34, the other end of the sleeve 32 is provided with an insertion hole 323, the adjusting member 34 is inserted into the insertion hole 323 and abuts against the end of the elastic member 31 away from the connecting rod 21, the inner wall of the insertion hole 323 is provided with an internal thread, the outer wall of the adjusting member 34 is provided with an external thread, and the internal thread matches with the external thread.

[0052] The embodiment can adjust the depth of the adjusting member 34 extending into the sleeve 32 by rotating the adjusting member 34, compress the elastic member 31 by the adjusting member 34, and adjust the length of the elastic member 31 of the telescopic adjusting mechanism 3, so as to ensure that the elastic member 31 is in a compressed state, which can be adjusted after assembly and facilitate debugging of the equipment.

[0053] In some embodiments, the telescopic adjusting mechanism 3 further comprises a gasket 35 clamped between the adjusting member 34 and the elastic member 31, and the gasket 35 is configured with a limiting ring 351 extending away from the adjusting member 34, and the end of the elastic member 31 away from the connecting rod 21 is located in the limiting ring 351.

[0054] The embodiment can prevent the elastic member 31 from being separated from the adjusting member 34 by limiting the end of the elastic member 31 away from the connecting rod 21 in the limiting ring 351.

[0055] In some embodiments, the pressing fork device further comprises a fixing plate 4 connected to the telescopic driving assembly, and the sleeve 32 is arranged on the fixing plate 4, and the through hole 41 is aligned with the first opening 321.

[0056] The embodiment connects the telescopic driving assembly and the sleeve 32 through the fixing plate 4, and the fixing plate 4 is attached to the reference plate on the telescopic driving assembly, so as to improve the installation precision and ensure the accuracy of the guiding of the pressing fork device.

[0057] The inner diameter of the through hole 41 is smaller than the inner diameter of the first opening 321, the outer diameters of the connecting part 331 and the connecting rod 21 are both not greater than the inner diameter of the through hole 41, and the outer diameter of the sliding block 33 is greater than the inner diameter of the through hole 41, so as to prevent the sliding block 33 and the elastic member 31 from being separated from the sleeve 32.

[0058] Embodiment 2

[0059] The utility model embodiment further provides a chamfering machine, the chamfering machine includes conveying device, pressing device and the pressing fork device of embodiment 1, the pressing fork device is set up in the pressing device, is used for guiding and pressing the heat exchange pipe between the guiding pressure head 2 of conveying device and the cushion block of the pressing device of the pressing fork device.

[0060] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the above-described device, apparatus and unit can refer to the corresponding process in the foregoing method embodiment, which will not be repeated here.

[0061] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present application, and these modifications or replacements should be encompassed within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A compression yoke device for a chamfering machine, the chamfering machine comprising a conveyor device and a compression device, the compression device comprising a pad and a telescopic drive assembly capable of approaching or distancing from the pad, characterized in that, The pressing yoke device comprises a guide pressing head and a telescopic adjusting mechanism connected with the guide pressing head, the telescopic adjusting mechanism is connected with the telescopic driving assembly, the guide pressing head is arranged opposite to the pad, and the guide pressing head close to the pad can make the heat exchange pipe between the two located at the preset position of the pad.

2. The compression pawl device of claim 1, wherein, The guide pressing head comprises a connecting rod and two guide heads connected to one end of the connecting rod, the two guide heads extend away from one end of the connecting rod to the pad, and the two guide heads are symmetrically arranged with the connecting rod as the middle line, so that the connecting rod and the two guide heads form a Y-shaped structure, and the other end of the connecting rod is connected with the telescopic adjusting mechanism.

3. The compression pawl device of claim 2, wherein, The telescopic adjusting mechanism comprises an elastic member and a sleeve with a first opening at one end, the sleeve is connected with the telescopic driving assembly, the other end of the connecting rod is inserted into the sleeve through the first opening, and the elastic member is clamped between the inner wall of the other end of the sleeve and the other end of the connecting rod.

4. The compression pawl device of claim 3, wherein, The telescopic adjusting mechanism further comprises a sliding block and a limiting member, the sliding block is arranged in the sleeve and can slide in the axial direction, the other end of the connecting rod is connected with the sliding block, the elastic member is clamped between the inner wall of the other end of the sleeve and the sliding block, a guide groove extending in the axial direction is formed on the sleeve, and the limiting member is arranged on the sliding block and penetrates the guide groove.

5. The compression pawl device of claim 4, wherein, The sliding block is provided with a connecting portion on the side close to the connecting rod, and the connecting portion is connected with the other end of the connecting rod.

6. The compression pawl device of claim 4, wherein, The sliding block further comprises a positioning portion, the positioning portion is arranged on the side away from the connecting rod, and one end of the elastic member is sleeved on the positioning portion.

7. The compression pawl device of claim 4, wherein, The telescopic adjusting mechanism further comprises an adjusting member, the other end of the sleeve is provided with an insertion hole, the adjusting member is inserted into the insertion hole and abuts against one end of the elastic member away from the connecting rod, the inner wall of the insertion hole is provided with an internal thread, the outer wall of the adjusting member is provided with an external thread, and the internal thread matches the external thread.

8. The compression pawl device of claim 7, wherein, The telescopic adjusting mechanism further comprises a gasket, the gasket is clamped between the adjusting member and the elastic member, the outer periphery of the gasket is provided with a limiting ring extending away from the adjusting member, and one end of the elastic member away from the connecting rod is located in the limiting ring.

9. The compression pawl device of claim 3, wherein, The pressing yoke device further comprises a fixed plate, the fixed plate is connected with the telescopic driving assembly, a through hole is formed in the fixed plate, one end of the sleeve is arranged on the fixed plate, and the through hole is aligned with the first opening.

10. A chamfering machine characterized by, The chamfering machine comprises a conveying device, a pressing device and the pressing yoke device according to any one of claims 1-9, the pressing yoke device is arranged on the pressing device and used for guiding and pressing the heat exchange pipe conveyed by the conveying device between the guide pressing head of the pressing yoke device and the pad of the pressing device.

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