Pressurizing device with quick-change pressure head structure

Abstract

The utility model provides a pressurizing device with a quick-change pressure head structure. The pressurizing device comprises a mounting seat, a pressure head and a positioning pin, a first plug-in mounting structure is arranged on the mounting seat, at least two positioning holes are formed in the first plug-in mounting structure, and the at least two positioning holes are arranged at intervals; a clamping groove is formed in the hole wall of each positioning hole. The pressing head is provided with second inserting structures matched with the first inserting structures in structure, and the second inserting structures are inserted into the corresponding first inserting structures. The two sides of the pressing head are located through locating pins respectively, and the locating pins are assembled in the corresponding locating holes. And spring plungers are arranged on the positioning pins and enter the corresponding clamping grooves. According to the pressurizing device, the pressing head is matched with the positioning seat in an inserted mode, the two sides of the pressing head are positioned through the positioning pins respectively, the assembling process of the pressing head and the positioning pins is simple and rapid, the use flexibility is high, the pressing head can be rapidly detached and replaced on the basis that the mounting seat is not detached, and therefore the production efficiency is improved, and the labor intensity is reduced.

Description

Technical Field

[0001] This utility model relates to the field of pressure application device technology, and in particular to a pressurization device with a quick-change pressure head structure. Background Technology

[0002] In fields such as sintering, molding, stamping, and welding, pressurizing devices are indispensable and important equipment. The function of a pressurizing device is to apply pressure to workpieces or products to achieve functions such as material forming, component connection, sealing testing, and heat treatment.

[0003] Traditional pressurizing devices have a fixed, non-replaceable pressure head, limiting their application to specific product models and limiting their flexibility. While some pressurizing devices now use detachable pressure heads, these designs are complex. Replacing the pressure head requires disassembling the mounting base, removing the head, and then reassembling it back into the equipment. This cumbersome process increases labor intensity and reduces production efficiency.

[0004] For example, in the field of semiconductor sintering, a sintering mold is a mold that connects semiconductor devices together by applying a certain temperature and pressure to the sintering interface. For sintering molds with detachable pressure heads, when changing the pressure head, the mold needs to be cooled down first, and then the sintering mold needs to be disassembled to replace the pressure head. The operation process is very inconvenient and affects production efficiency. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a pressurizing device with a quick-change pressure head structure. This device enables rapid replacement of the pressure head without disassembling the mounting base, thereby improving production efficiency and reducing labor intensity.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] This utility model provides a pressurizing device with a quick-change pressure head structure, which includes a mounting base, a pressure head, and a positioning pin.

[0008] The mounting base has a mounting surface, and a first insertion structure is provided on the mounting surface, the first insertion structure extending along a first direction.

[0009] The first insertion structure is provided with at least two positioning holes, which are spaced apart in the first direction; each positioning hole has a locking groove on its wall.

[0010] The pressure head is provided with a second insertion structure that matches the structure of the first insertion structure. The second insertion structure is inserted into the corresponding first insertion structure. The two sides of the pressure head in the first direction are respectively positioned by the positioning pins, and the positioning pins are assembled into the corresponding positioning holes. The positioning pins are provided with spring plungers, and the spring plungers enter the corresponding locking grooves.

[0011] Preferably, the positioning pin includes a pin head and a pin post arranged sequentially along its axial direction, the pin head has a plunger hole arranged radially inside, and the spring plunger is disposed in the plunger hole.

[0012] Preferably, the pin head is an axially symmetrical irregular structure; there are two spring plungers, which are symmetrically arranged on the pin head; the inner wall of the positioning hole near the mounting surface is provided with a limiting step, there are two limiting steps, and the two limiting steps are symmetrically arranged in the first direction, and an assembly channel matching the structure of the pin head is formed between the two limiting steps.

[0013] Preferably, the end of the positioning hole away from the mounting surface is provided with a chamfered surface, and the mounting groove extends to the chamfered surface along a direction parallel to the central axis of the positioning hole.

[0014] Preferably, the mounting base includes a first base plate and a second base plate, the mounting surface corresponding to the side of the second base plate away from the first base plate; the positioning hole is provided on the second base plate; the side of the first base plate near the second base plate is provided with a clearance groove, and the clearance groove corresponds to the positioning hole.

[0015] Preferably, the first insert structure is further provided with a piston hole, and the piston hole and the positioning hole are staggered in the first direction; the pressurizing device with quick-change pressure head structure further includes a piston, which is slidably disposed in the corresponding piston hole.

[0016] Preferably, the mounting base is provided with an air pipe interface, the interior of the mounting base is provided with a gas channel, and the air pipe interface is connected to the gas channel, and the gas channel is connected to the piston hole.

[0017] Preferably, one of the first insert structure and the second insert structure is a groove structure, and the other is a protrusion structure that cooperates with the groove structure.

[0018] Preferably, the mounting surface is provided with multiple rows of first insertion structures, which are arranged at intervals in a second direction, the second direction being perpendicular to the first direction.

[0019] Preferably, the pressure head is provided with a second insert structure, which extends along the first direction; or, the pressure head is provided with at least two second insert structures, each of which extends along the first direction, and the at least two second insert structures are arranged at intervals in the second direction.

[0020] Compared with the prior art, the beneficial effects of this utility model are as follows: In the pressurizing device with quick-change pressure head structure of this utility model, the pressure head and the positioning seat are inserted and matched, and the two sides of the pressure head are respectively positioned by positioning pins. The assembly process of the pressure head and the positioning pins is simple and quick. The pressure head can be quickly replaced without disassembling the mounting seat, thereby improving production efficiency and reducing labor intensity. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of a pressurization device according to the present invention.

[0022] Figure 2 This is a schematic diagram of the mounting base in a pressurizing device according to the present invention.

[0023] Figure 3 This is a schematic diagram of the pressure head in a pressurizing device according to the present invention.

[0024] Figure 4 This is a schematic diagram of the positioning pin in a pressurizing device according to the present invention.

[0025] Figure 5 This is a cross-sectional view of a positioning pin in a pressurizing device according to the present invention.

[0026] Figure 6 This is a structural schematic diagram of the locating pin assembly process in a pressurizing device according to this utility model.

[0027] Figure 7 This is a schematic diagram of the structure of a pressurizing device of this utility model after the positioning pin is assembled into the positioning hole.

[0028] Figure 8 This is a schematic diagram of another pressurization device according to the present invention.

[0029] Figure 9 This is a schematic diagram of another type of pressure head according to the present invention.

[0030] Figure 10 This is a schematic diagram showing the disassembled structure of a mounting base according to the present invention.

[0031] Figure 11 This is a schematic diagram of the structure of the first base plate in this utility model.

[0032] Figure 12This is a cross-sectional view of a pressurization device according to the present invention.

[0033] Figure 13 This is a cross-sectional view of a pressurizing device according to the present invention from another perspective.

[0034] Figure 14 This is a cross-sectional view of another pressurization device of this utility model.

[0035] Figure 15 This is a cross-sectional view of another pressurization device of this utility model from another perspective.

[0036] Figure 16 This is a schematic diagram of another pressurization device according to the present invention.

[0037] Figure 17 This is a schematic diagram of another pressurization device according to the present invention.

[0038] Figure 18 This is a schematic diagram of another pressurization device according to the present invention.

[0039] In the figure, 10-mounting base, 11-first insert structure, 12-piston hole, 13-positioning hole, 131-clamping groove, 132-chamfered surface, 133-limiting step, 134-assembly channel, 14-air pipe interface, 15-gas channel, 16-first seat plate, 161-avoiding groove, 17-second seat plate, 20-pressure head, 21-second insert structure, 22-pressure application part, 30-positioning pin, 31-pin head, 311-plunger hole, 32-pin post, 33-spring plunger, 40-piston. Detailed Implementation

[0040] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the described embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. It is understood that, without conflict, some technical means of the various embodiments described herein can be substituted for or combined with each other.

[0041] In the description of this utility model, the terms "first," "second," etc., are used only to distinguish the described objects and have no sequential or technical meaning. Therefore, objects specified with "first," "second," etc., may explicitly or implicitly include one or more of those objects. Furthermore, the words "one" or "a" do not indicate a quantity limitation, but rather indicate the presence of at least one, while "multiple" indicates at least two.

[0042] In the description of this utility model, references to "one embodiment" or "some embodiments" mean that one or more embodiments of the utility model include the specific features, structures, or characteristics described in connection with that embodiment. Therefore, the phrases "one embodiment," "some embodiments," "other embodiments," "and other embodiments," etc., appearing in different parts of this specification do not necessarily refer to the same embodiment, but rather mean "one or more, but not all, embodiments," unless otherwise specifically emphasized.

[0043] This invention provides a pressurizing device with a quick-change pressure head structure, which can be applied to various fields such as sintering, molding, stamping, and welding.

[0044] Reference Figures 1 to 7 In some embodiments, the pressurizing device with a quick-change pressure head structure includes a mounting base 10, a pressure head 20, and a positioning pin 30.

[0045] The mounting base 10 has a mounting surface, on which a first insertion structure 11 is provided, and the first insertion structure 11 extends along a first direction X.

[0046] The first insertion structure 11 is provided with at least two positioning holes 13, which are spaced apart in the first direction X. Each positioning hole 13 has a locking groove 131 on its hole wall.

[0047] The pressure head 20 is provided with a second insertion structure 21 that matches the structure of the first insertion structure 11. The second insertion structure 21 is inserted into the corresponding first insertion structure 11. Figure 2 , Figure 3 As shown in the example, the first insertion structure 11 can be an approximately T-shaped slot, and the second insertion structure 21 can be an approximately T-shaped protrusion, but this utility model is not limited thereto. A pressure-applying part 22 is provided at the end of the pressure head 20 away from the second insertion structure 21, and the area and shape of the pressure-applying part 22 can be reasonably set according to actual needs.

[0048] The pressure head 20 is positioned on both sides along the first direction X by positioning pins 30, which are fitted into corresponding positioning holes 13. Specifically, the positioning pins 30 are provided with spring plungers 33, which enter into corresponding mounting grooves 131.

[0049] The spring plunger 33, also called a ball-head plunger or locating ball / locating pin, can be a related product from the existing technology. Its working principle involves installing a spring inside the thread, adjusting the preload by controlling the screw-in depth. (Refer to...) Figure 7After the positioning pin 30 is assembled into the corresponding positioning hole 13, the end of the spring plunger 33 enters the corresponding locking groove 131, thereby fixing the positioning pin 30.

[0050] It should be noted that in practical applications, most devices apply pressure vertically. Therefore, in the preferred embodiment of this invention, the vertical direction Z corresponds to the pressure application direction, the first direction X corresponds to the left-right direction of the mounting base 10, and the second direction Y corresponds to the front-back direction of the mounting base 10, with the second direction Y perpendicular to the first direction X; the vertical direction Z is perpendicular to both the first direction X and the second direction Y. In application, the mounting base 10 can drive the pressure head 20 to move in the vertical direction Z to achieve the pressurization function. Of course, this invention is not limited to this; in other embodiments, the direction of the pressurizing device can be adjusted according to the actual application scenario.

[0051] During the assembly of the aforementioned pressurizing device, the second insertion structure 21 of the pressure head 20 is first inserted into the corresponding first insertion structure 11 along the first direction X. Then, positioning pins 30 are installed in the positioning holes 13 on both sides of the pressure head 20 along the first direction X, thereby restricting the movement of the pressure head 20 along the first direction X. Alternatively, positioning pins 30 are first installed in the positioning hole 13 on one side of the pressure head installation position along the first direction X. Then, the second insertion structure 21 of the pressure head 20 is inserted into the corresponding first insertion structure 11 along the first direction X, so that the pressure head 20 reaches the installation position. Afterward, positioning pins 30 are installed in the positioning hole 13 on the other side of the pressure head 20, thereby restricting the movement of the pressure head 20 along the first direction X.

[0052] In the pressurizing device with a quick-change pressure head structure of this utility model, the pressure head 20 is inserted into the mounting base 10, and the two sides of the pressure head 20 are respectively positioned by positioning pins 30. The assembly process of the pressure head 20 and the positioning pins 30 is simple and quick. The pressure head 20 can be quickly replaced without disassembling the mounting base 10, thereby improving production efficiency and reducing labor intensity.

[0053] Reference Figure 4 and Figure 5 In some preferred embodiments, the positioning pin 30 includes a pin head 31 and a pin post 32 arranged sequentially along its axial direction. The pin head 31 has a plunger hole 311 radially arranged inside, and a spring plunger 33 is disposed in the plunger hole 311. After the positioning pin 30 is assembled into the corresponding positioning hole 13, the end of the spring plunger 33 enters the corresponding locking groove 131, thereby fixing the positioning pin.

[0054] Furthermore, the end of the positioning hole 13 away from the mounting surface is provided with a chamfered surface 132, and the mounting groove 131 extends to the chamfered surface 132 along a direction parallel to the central axis of the positioning hole 13 (vertical direction Z).

[0055] During the assembly of the positioning pin 30, the pin head 31 is inserted into the positioning hole 13, and the position of the pin head 31 is adjusted so that the spring plunger 33 is engaged in the mounting groove 131. The pin post 32 can position the pressure head 20. During the disassembly of the positioning pin 30, the positioning pin 30 is moved upward in the vertical direction Z, so that the spring plunger 33 is moved out of the mounting groove 131. Then, the positioning pin 30 is rotated so that the spring plunger 33 is not vertically aligned with the mounting groove 131. Then, the positioning pin 30 is pulled downward, and the chamfered surface 132 can be used to retract the spring plunger 33, thereby removing the positioning pin 30 from the positioning hole 13. The disassembly and assembly process is simple and quick, with high positioning accuracy and good application effect, which can improve production efficiency and reduce labor intensity.

[0056] Reference Figure 4 and Figure 5 In some preferred embodiments, the pin head 31 is an axisymmetric irregular structure. Specifically, the pin head 31 has two parallel surfaces and two arcuate surfaces arranged opposite each other, and each arcuate surface protrudes outward along the radial direction of the positioning pin 30. There are two spring plungers 33, which are symmetrically arranged on the pin head 31.

[0057] Correspondingly, refer to Figure 2 The inner wall of the positioning hole 13 near the mounting surface is provided with a limiting step 133. There are two limiting steps 133, and the two limiting steps 133 are symmetrically arranged in the first direction X. The two opposite sides of the two limiting steps are perpendicular to the first direction X. An assembly channel 134 matching the structure of the pin head 31 is formed between the two limiting steps 133.

[0058] Reference Figure 6 and Figure 7 During assembly, first align the pin head 31 with the assembly channel 134, then insert the pin head 31 upwards into the positioning hole 13. When the pin head 31 passes the limit step 133 (corresponding to...), Figure 6 After reaching the indicated state, rotate the locating pin 30 90 degrees so that the spring plungers 33 on both sides enter the corresponding mounting slots 131 (corresponding to...). Figure 7 (As shown in the diagram) to prevent the locating pin 30 from rotating. Simultaneously, the limiting step 133 limits the locating pin 30 in the vertical Z direction, thereby improving the assembly accuracy and stability of the locating pin 30. During the disassembly of the locating pin 30, the locating pin 30 is moved upwards in the vertical Z direction, causing the spring plunger 33 to move out of the mounting slot 131. Then, the locating pin 30 is rotated 90 degrees so that the pin head 31 aligns vertically with the assembly channel 134. Pulling the locating pin 30 downwards allows the chamfered surface 132 to retract the spring plunger 33, thus removing the locating pin 30 from the locating hole 13.

[0059] In the above-mentioned pressurizing device, the pressure head 20 adopts an insert method, and the assembly and disassembly process of the positioning pin 30 is simple and quick, which can realize the rapid replacement of the pressure head 20 without disassembling the mounting base 10, thereby improving production efficiency and reducing labor intensity.

[0060] Reference Figure 10 and Figure 11 In some preferred embodiments, the mounting base 10 includes a first base plate 16 and a second base plate 17. The first base plate 16 is positioned above the second base plate 17, and the first base plate 16 and the second base plate 17 can be detachably connected using bolts or other components. The mounting surface corresponds to the side of the second base plate 17 away from the first base plate 16, or in other words, the first insertion structure 11 is located on the side of the second base plate 17 away from the first base plate 16. A positioning hole 13 is provided on the second base plate 17, and a clearance groove 161 is provided on the side of the first base plate 16 near the second base plate 17, and the clearance groove 161 corresponds to the positioning hole 13. During the assembly and disassembly of the positioning pin 30, when the pin head 31 of the positioning pin 30 is located above the chamfered surface 132, the clearance groove 161 can be used to provide a receiving space for the pin head 31, avoiding collision between the pin head 31 and the first base plate 16, thereby ensuring the reliability and assembly efficiency of the pressurizing device.

[0061] Reference Figure 12 and Figure 13 In some preferred embodiments, a piston hole 12 is further provided at the first insert structure 11, and the piston hole 12 and the positioning hole 13 are staggered in the first direction X. The piston hole 12 extends from the first seat plate 16 to the second seat plate 17 and passes through the first insert structure 11. The pressurizing device with a quick-change pressure head structure also includes a piston 40, which is slidably disposed within the corresponding piston hole 40. It should be noted that the structure of the piston hole 12 matches the structure of the piston 40 to ensure that the piston 40 can slide in a sealed manner within the corresponding piston hole 12. During the operation of the pressurizing device, the pressure of the piston 40 is transmitted to the corresponding pressure head 20, which is used to pressurize the product.

[0062] Furthermore, the mounting base 10 is provided with an air pipe interface 14, and the interior of the mounting base 10 (the interior of the first base plate 16) is provided with a gas channel 15, with the air pipe interface 14 communicating with the gas channel 15, and the gas channel 15 communicating with the piston hole 12. In application, high-pressure gas can be introduced into the gas channel 15 through the air pipe interface 14, so that the high-pressure gas acts on the piston 40, thereby applying the pressure of the piston 40 to the corresponding pressure head 20. The pressure of the high-pressure gas can be adjusted as needed, thereby adjusting the pressure on the piston 40, and thus adjusting the pressure of the pressure head 20, improving the versatility and adjustment flexibility of the pressurization device.

[0063] It should be noted that the specific shapes of the first insertion structure 11 and the second insertion structure 21 can be reasonably set according to the actual situation, as long as they can realize the insertion and cooperation between the pressure head 20 and the mounting base 10 and enable the mounting base 10 to limit the pressure head 20 in the second direction Y and the vertical direction Z. For example, the first insertion structure 11 and the second insertion structure 21 can be designed as a groove and protrusion structure or a protrusion and groove structure that cooperate with each other. Or, one of the first insertion structure 11 and the second insertion structure 21 is a groove structure, and the other is a protrusion structure that cooperates with the groove structure. Furthermore, the specific shape of the groove or protrusion can also be reasonably set according to the actual situation.

[0064] Reference Figure 2 and Figure 3 In some embodiments, the first insertion structure 11 is a stepped groove structure that is wider at the top and narrower at the bottom, and the second insertion structure 21 is a stepped block structure that is wider at the top and narrower at the bottom and matches the stepped groove structure. When the pressure head 20 is inserted into the mounting base 10, the stepped block structure enters the corresponding stepped groove structure, thereby restricting the movement of the pressure head 20 in the second direction Y and the vertical direction Z.

[0065] Reference Figure 14 and Figure 15 In other embodiments, the first insertion structure 11 is a stepped block structure that is narrower at the top and wider at the bottom, and the second insertion structure 21 is a stepped groove structure that is narrower at the top and wider at the bottom and matches the stepped block structure. When the pressure head 20 is inserted into the mounting base 10, the stepped block structure enters the corresponding stepped groove structure, thereby restricting the movement of the pressure head 20 in the second direction Y and the vertical direction Z.

[0066] It should be noted that the number of first insert structures 11 on the mounting base 10 is not limited to one, and the length of the first insert structure 11 can be reasonably set according to actual needs. The number, size, and arrangement of the pressure heads 20 can be reasonably set according to actual conditions. The number, extension length, and arrangement of the second insert structures 21 on each pressure head 20 can also be reasonably set according to actual conditions.

[0067] Reference Figure 8 In some embodiments, the mounting surface is provided with three rows of first insertion structures 11, which are arranged at intervals in the second direction Y. (Refer to...) Figure 10 In other embodiments, the mounting surface is provided with multiple rows of first insertion structures 11, which are arranged at intervals in the second direction Y.

[0068] Reference Figure 1 and Figure 3In some embodiments, the pressure head 20 is relatively small, and it has a second insertion structure 21. The side away from the second insertion structure 21 is a pressure application portion 22. The second insertion structure 21 extends along a first direction X. In other embodiments, the pressure head 20 may also have at least two second insertion structures 21, each extending along the first direction X, and the at least two second insertion structures 21 are spaced apart in a second direction Y. Figure 9 As shown, in some other embodiments, the pressure head 20 is provided with three second insertion structures 21, each of which extends along the first direction X. The three second insertion structures 21 are arranged at intervals in the second direction Y, and the side away from the second insertion structures 21 is the pressure application part 22. When installing the pressure head 20, the three second insertion structures 21 are respectively inserted and connected to the three rows of first insertion structures.

[0069] In addition, each column of the first insert structure 11 may be provided with multiple piston holes 12 and multiple positioning holes 13, and the multiple piston holes 12 and multiple positioning holes 13 are staggered in the first direction X. Moreover, the outermost holes at both ends of each column of the first insert structure 11 are positioning holes 13, so that when the pressure head 20 is installed at both ends of the first insert structure 11, the pressure head 20 can still be positioned by the positioning pin 30. At the same time, since each column of the first insert structure 11 is provided with multiple piston holes 12, and the first insert structure 11 has multiple columns, the pistons 40 in the mounting base 10 are arranged in a matrix or row-column pattern. In application, the pressure value of each piston 40 can be controlled within a certain range. The size and number of pressure heads 20 can be designed according to the pressurization requirements of different products. Each pressure head 20 can correspond to one piston 40 or multiple pistons 40, so that the pressure area and pressure value can be infinitely adjustable within a large range. Meanwhile, for applications using multiple pressure heads, the multiple pressure heads 20 can be arranged symmetrically or in a balanced manner on the mounting base 10, thereby achieving pressure balance and extending the service life of the device.

[0070] Reference Figure 16 In some embodiments, the mounting surface is provided with multiple rows of first insertion structures 11, which are spaced apart in the second direction Y. Each row of first insertion structures 11 is provided with multiple piston holes 12 and multiple positioning holes 13, and the piston holes 12 and positioning holes 13 are staggered in the first direction X. A small pressure head 20 is provided at the center of the mounting base 10, which can correspond to one piston, thus meeting the need for pressurization in a small area. (Refer to...) Figure 17In other embodiments, the mounting base 10 is provided with nine slightly larger pressure heads 20. Each pressure head 20 is positioned on both sides by positioning pins 30. The nine pressure heads 20 are arranged symmetrically in a three-row, three-column configuration. Each pressure head 20 can correspond to nine pistons, and the pressure on each pressure head 20 remains consistent, which can meet the needs of large-area pressurization or small-batch production. (Refer to...) Figure 18 In some embodiments, multiple pressure heads 20 are evenly arranged on the mounting base 10, which can meet the needs of large-area pressurization or realize mass production of products.

[0071] In existing pressurizing devices using detachable pressure heads, the installation position and pressure application area of ​​the pressure head are generally fixed, which cannot meet the pressurization requirements of various application scenarios. For example, in sintering molds using detachable pressure heads, the pressure head can only be installed in certain specific areas, and the pressure head is of one or a few specific models, which cannot meet the sintering requirements of various scenarios. In addition, the unbalanced layout of these pressure heads can easily lead to uneven force on the mold, which can cause mold surface deformation after long-term use, resulting in uneven sintering pressure. This not only affects the sintering quality but also shortens the service life of the mold.

[0072] In this pressurizing device with a quick-change pressure head structure, the pressure head and positioning seat are inserted and fitted together, and positioning pins are used on both sides of the pressure head for positioning. The assembly process of the pressure head and positioning pins is simple and quick, enabling rapid replacement of the pressure head without disassembling the mounting seat, thereby improving production efficiency and reducing labor intensity. Furthermore, the number of pressure heads, their installation positions, and the pressure application area can be flexibly adjusted according to requirements, making it highly versatile and applicable to various application scenarios. In applications using multiple pressure heads, the multiple pressure heads can be arranged symmetrically or balanced on the mounting seat, thereby ensuring pressure uniformity and extending the service life of the device.

[0073] The pressurizing device with a quick-change pressure head structure of this utility model can be applied to various fields such as sintering, plastic sealing, stamping, and welding. It can realize the quick assembly and disassembly of the pressure head, improve production efficiency, and reduce labor intensity. At the same time, it can realize a wide range of flexible adjustment of the pressure area and pressure value, thus improving versatility.

[0074] This utility model has been described by the above-described embodiments; however, these embodiments are merely examples for implementing this utility model. It must be noted that the disclosed embodiments do not limit the scope of this utility model. Conversely, any modifications and refinements made without departing from the spirit and scope of this utility model are within the scope of patent protection of this utility model.

Claims

1. A pressurizing device with a quick-change pressure head structure, characterized in that: The pressurizing device with a quick-change pressure head structure includes a mounting base, a pressure head, and a positioning pin; The mounting base has a mounting surface, and a first insertion structure is provided on the mounting surface, the first insertion structure extending along a first direction; The first insertion structure is provided with at least two positioning holes, which are spaced apart in the first direction; each positioning hole has a locking groove on its wall. The pressure head is provided with a second insertion structure that matches the structure of the first insertion structure. The second insertion structure is inserted into the corresponding first insertion structure. The two sides of the pressure head along the first direction are respectively positioned by the positioning pins, which are assembled into the corresponding positioning holes. The positioning pins are provided with spring plungers, which enter the corresponding locking grooves.

2. The pressurizing device with a quick-change pressure head structure as described in claim 1, characterized in that: The positioning pin includes a pin head and a pin post arranged sequentially along its axial direction. The pin head has a plunger hole arranged radially inside, and the spring plunger is disposed in the plunger hole.

3. The pressurizing device with a quick-change pressure head structure as described in claim 2, characterized in that: The pin head is an axially symmetrical irregular structure; there are two spring plungers, which are symmetrically arranged on the pin head; the inner wall of the positioning hole near the mounting surface is provided with a limiting step, there are two limiting steps, and the two limiting steps are symmetrically arranged in the first direction, and an assembly channel matching the structure of the pin head is formed between the two limiting steps.

4. The pressurizing device with a quick-change pressure head structure as described in claim 1, characterized in that: The end of the positioning hole away from the mounting surface is provided with a chamfered surface, and the mounting groove extends to the chamfered surface along a direction parallel to the central axis of the positioning hole.

5. The pressurizing device with a quick-change pressure head structure as described in claim 1, characterized in that: The mounting base includes a first base plate and a second base plate, the mounting surface corresponding to the side of the second base plate away from the first base plate; the positioning hole is provided on the second base plate; the side of the first base plate near the second base plate is provided with a clearance groove, and the clearance groove corresponds to the positioning hole.

6. The pressurizing device with a quick-change pressure head structure as described in claim 1, characterized in that: The first insertion structure is also provided with a piston hole, which is staggered with the positioning hole in the first direction; the pressurizing device with quick-change pressure head structure also includes a piston, which is slidably disposed in the corresponding piston hole.

7. The pressurizing device with a quick-change pressure head structure as described in claim 6, characterized in that: The mounting base is provided with an air pipe interface, and the interior of the mounting base is provided with a gas channel. The air pipe interface is connected to the gas channel, and the gas channel is connected to the piston hole.

8. The pressurizing device with a quick-change pressure head structure as described in claim 1, characterized in that: One of the first insertion structure and the second insertion structure is a groove structure, and the other is a protrusion structure that cooperates with the groove structure.

9. The pressurizing device with a quick-change pressure head structure as described in claim 1, characterized in that: The mounting surface is provided with multiple rows of first insertion structures, which are arranged at intervals in a second direction, the second direction being perpendicular to the first direction.

10. The pressurizing device with a quick-change pressure head structure as described in claim 9, characterized in that: The pressure head is provided with a second insert structure, which extends along the first direction; or, the pressure head is provided with at least two second insert structures, each of which extends along the first direction, and the at least two second insert structures are arranged at intervals in the second direction.

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