Pressing device for special-shaped combined ring

Abstract

The application discloses a pressing device for a special-shaped combined sleeve ring, which comprises an equipment cabinet, a pressure equipment and a workpiece die holder, the pressure equipment is fixedly installed on a table top of the equipment cabinet, the pressure equipment comprises a machine head, a lifting rod is movably installed on the machine head, a pressure head mechanism is connected to a bottom end of the lifting rod, the workpiece die holder is installed on the table top of the equipment cabinet, the workpiece die holder is used for placing sleeve ring components needing to be pressed, the workpiece die holder is arranged at a position directly below the pressure head mechanism, a sleeve ring combined positioning assembly is installed on the workpiece die holder, and the sleeve ring combined positioning assembly is used for positioning a placing position of the sleeve ring components. The application solves the problem of quick positioning and alignment of the outer sleeve ring and the inner sleeve ring by applying a mold based on a magnetic attraction principle, so that the pressing operation time can be greatly shortened. The application has the advantages of simple operation and easy operation for workers. After the application is applied, the product production capacity of a single shift is obviously improved, the input of manpower and material resources is reduced, and cost reduction and benefit increase production are achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile accessory production equipment, in particular to a pressing device for a special-shaped combined ring. BACKGROUND

[0002] The combined ring refers to a ring part combined by two or more ring components.

[0003] As shown in the accompanying drawings of the specification Figure 4 The combined ring is a ring product currently focused on by enterprises, and the product has many production batches and large production volume. The ring product is a special-shaped combined ring, which is pressed together by an outer ring and an inner ring. The ring product has multiple evenly distributed heat bonding points, so during the pressing operation of the ring, accurate positioning (positioning the installation positions of the outer ring and the inner ring to enable the heat bonding feet on the outer ring to be accurately pressed into the heat bonding grooves of the inner ring) needs to be performed first, and then pressing can be performed (if the heat bonding feet are not positioned accurately, they cannot be pressed into the heat bonding grooves, which will result in heat bonding failure and the product becoming a defective product). Currently, manual visual alignment operation is adopted for the positioning of this type of ring during production. This operation has the disadvantages of high operation difficulty, long adjustment time, and high requirements for the work experience of workers. A small mistake can easily result in defective products, and the quality stability of the products cannot be effectively guaranteed. Currently, enterprises invest a lot of manpower and material resources in the production of this type of product, and the economic benefits are not high, which cannot meet the production requirements of batch products. SUMMARY

[0004] The present application aims to overcome the shortcomings of the prior art and provide a pressing device for a special-shaped combined ring.

[0005] To achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0006] A pressing device for a special-shaped combined ring is applied in the pressing operation of a special-shaped combined ring and includes a device cabinet, a pressure device, and a workpiece die holder. The pressure device is fixedly installed on the tabletop of the device cabinet. The pressure device includes a machine head. A lifting rod is movably installed on the machine head. A pressure head mechanism is connected to the bottom end of the lifting rod. The workpiece die holder is installed on the tabletop of the device cabinet. The workpiece die holder is used to place ring components that need to be pressed. The workpiece die holder is located directly below the pressure head mechanism. A ring combination positioning assembly is installed on the workpiece die holder. The ring combination positioning assembly is used to position the placement position of the ring components.

[0007] The pressure head mechanism comprises a pressure frame and a heat sealing assembly, the bottom of the pressure frame is connected with a pressure ring, the heat sealing assembly is installed inside the pressure frame, the heat sealing assembly comprises a heat sealing push cylinder and a push rod disc, the push rod disc is connected at the end of the piston rod of the heat sealing push cylinder, a plurality of heat sealing pressure rods are connected on the bottom surface of the push rod disc, the plurality of heat sealing pressure rods are evenly arranged on a circumferential line with the center of the push rod disc as the center, a plurality of through rod holes are formed on the bottom surface of the pressure frame, and the through rod holes are arranged one by one corresponding to the heat sealing pressure rods.

[0008] The workpiece die seat comprises a die base plate, a movable lower die and an upper die mounting frame, the die base plate is paved with a translation rail, the movable lower die comprises a sliding base and a lower die seat, the movable lower die is movably installed on the translation rail through the sliding base, the lower die seat is rotatably installed on the sliding base, the upper die mounting frame is cross-installed at a position above the translation rail, the upper die mounting frame is rotatably installed with an upper die seat, the die base plate is installed with a lower die positioning assembly, when the movable lower die touches the lower die positioning assembly, the lower die seat can correspond to the upper die seat in a straight line, and a gap is left between the lower die seat and the upper die seat.

[0009] The lower die positioning assembly comprises a positioning stop, a first positioning magnetic attraction and a second positioning magnetic attraction, the positioning stop is fixedly installed at the end of the translation rail, the first positioning magnetic attraction is embedded on the positioning stop, the second positioning magnetic attraction is embedded on the end side of the sliding base facing the positioning stop, and the first positioning magnetic attraction and the second positioning magnetic attraction can attract each other.

[0010] The sliding base is connected with a pulling rod on the side wall, and the translation rail can extend to the outside of the range of the upper die mounting frame.

[0011] A plurality of evenly arranged elastic blocking pieces are connected on the bottom surface of the upper die seat, the bottom end of each elastic blocking piece is inclined towards the central axis direction of the upper die seat, and the top end of each elastic blocking piece is flush with the inner hole wall of the upper die seat.

[0012] The sleeve ring combination positioning assembly comprises a positioning rod, the positioning rod is vertically connected on the upper die mounting frame, the top end of the positioning rod is connected with a first positioning magnetic attraction head, the first positioning magnetic attraction head is installed towards the upper die seat, the bottom end of the positioning rod extends downward after penetrating through the upper die mounting frame, the bottom end of the positioning rod is connected with a second positioning magnetic attraction head, and the second positioning magnetic attraction head is installed towards the lower die seat.

[0013] The equipment cabinet is connected with a material cabinet on the side, and the height of the material cabinet is lower than that of the equipment cabinet.

[0014] The beneficial effects of this invention are as follows: This invention is ingeniously designed and solves the problem of rapid positioning and alignment of the outer and inner rings by applying a mold based on the principle of magnetic attraction, which greatly shortens the pressing operation time. This invention has the advantage of simple operation and is easy for workers to learn. After applying this invention, the production output of a single shift is significantly improved, which helps to reduce the input of manpower and material resources and helps to achieve cost reduction and efficiency improvement in production. Attached Figure Description

[0015] Figure 1 This is a front view of the present invention;

[0016] Figure 2 This is a schematic diagram of the pressure head mechanism of the present invention;

[0017] Figure 3 This is a schematic diagram of the workpiece mold base and collar combination positioning assembly of the present invention;

[0018] Figure 4 This is a structural diagram of the irregularly shaped combination rings that need to be processed according to the present invention;

[0019] Figure 5 This is a top view of the irregularly shaped combined collar that needs to be processed according to the present invention;

[0020] Figure 6 A schematic diagram showing the installation of the positioning magnetic strip on the outer ring;

[0021] Figure 7 This is a schematic diagram showing the installation of the positioning magnetic strip on the inner ring.

[0022] In the diagram: Equipment cabinet 1, Material cabinet 11, Pressure equipment 2, Machine head 21, Lifting rod 22, Pressure head mechanism 3, Pressure frame 31, Rod hole 311, Pressure ring 32, Heat sealing assembly 33, Heat sealing push cylinder 331, Push rod plate 332, Heat sealing pressure rod 333, Workpiece mold base 4, Mold base plate 41, Translation rail 411, Moving lower mold 42, Sliding base 421, Lower mold base 422, Pull rod 423, Upper mold installation. Frame 43, upper mold base 44, elastic blocking piece 441, lower mold positioning assembly 45, positioning stop 451, first positioning magnet 452, second positioning magnet 453, ring combination positioning assembly 5, positioning rod 51, first positioning magnet head 52, second positioning magnet head 53, irregular combination ring 6, outer ring 61, heat sealing foot 611, inner ring 62, heat sealing groove 621, bottom foot 622, positioning magnetic strip 63. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. In this invention, terms such as "left" and "right" refer to... Figure 1 For reference direction:

[0024] like Figures 1-3As shown, a pressing device for irregularly shaped combined rings is used in applications such as... Figure 4 In the pressing operation of the irregularly shaped combined ferrule 6 shown, the irregularly shaped combined ferrule 6 includes two main parts: an outer ferrule 61 and an inner ferrule 62. The outer ferrule 61 can be pressed onto the inner ferrule 62, such as... Figures 4-5As shown, the top of the inner hole of the outer ring 61 has several heat-sealing feet 611 (both the outer ring 61 and the inner ring 62 are molded components). The heat-sealing feet 611 are evenly distributed. The top of the inner ring 62 has several heat-sealing grooves 621, which are evenly distributed and correspond one-to-one with the heat-sealing feet 611. Under precise positioning, after the outer ring 61 is pressed onto the inner ring 62, the heat-sealing feet 611 on it should fall into the heat-sealing grooves 621 one-to-one. Then, the heat-sealing feet 611 are heated to melt and adhere to the heat-sealing grooves 621, thus achieving the joint connection between the outer ring 61 and the inner ring 62, forming a complete component. (The heat joining is to prevent the outer ring 61 and the inner ring 62 from leaking during use.) (Currently, the separation is abnormal). Due to the alignment issue between the heat-sealing foot 611 and the heat-sealing groove 621 before pressing (if the alignment is not good, the foot cannot fall into the groove, affecting the heat bonding and causing workpiece scrap), the production efficiency of this type of ring product has always been a major problem. Currently, the company uses manual visual positioning and alignment during production (that is, manually rotating the outer ring 61 to align its position before pressing). This operation has the disadvantages of high operation difficulty and long adjustment time (it requires concentration and alignment of the foot position), and it also requires a high level of worker experience. It is easy to produce scrap if you are not careful. The company has invested a lot of manpower and resources in the production of this product, but it is still difficult to meet the demand. The need for mass production, coupled with the high production cost of individual products, has led to the development of this invention. This invention is a pressing device for irregularly shaped combined rings, comprising an equipment cabinet 1, a pressure device 2, and a workpiece mold base 4. The pressure device 2 is fixedly mounted on the platform of the equipment cabinet 1, providing pressing power. The pressure device 2 includes a machine head 21, on which a lifting rod 22 is movably mounted. A pressure head mechanism 3 is connected to the bottom end of the lifting rod 22, enabling the lifting rod 22 to drive the pressure head mechanism 3 to achieve lifting and lowering movements. The pressure head mechanism 3 is used to press and heat-seal the product workpiece. The workpiece mold base 4 is mounted on the platform of the equipment cabinet 1 and is used to place the ring components to be pressed. The workpiece mold base 4 is located on the pressure head machine. The pressure head mechanism 3 is positioned directly below the workpiece mold base 4 to facilitate the pressing operation of the pressure head mechanism 3. The workpiece mold base 4 is equipped with a collar assembly positioning component 5, which is used to position the collar components to quickly align them (alignment of the inner and outer rings) so that the pressure head mechanism 3 can press them together. After using this invention, the alignment operation of the outer ring 61 and the inner ring 62 becomes very simple and quick. Workers can save a lot of operating time in this process, so the production output per shift can be significantly improved (actually measured to be more than double the output). The product quality is also relatively stable. This invention helps enterprises reduce the investment of manpower and material resources in the production of this type of product and helps to achieve cost reduction and efficiency improvement in the production of this type of product.

[0025] like Figure 2As shown, the pressure head mechanism 3 includes a pressure frame 31 and a heat sealing assembly 33. A pressure ring 32 is connected to the bottom of the pressure frame 31. The pressure ring 32 matches the thickness of the outer ring 61 (the inner diameter of the pressure ring 32 should be larger than the inner diameter of the outer ring 61 so that it will not damage the heat sealing foot 611 when pressed down). When the pressure head mechanism 3 presses down, the pressure ring 32 can push the outer ring 61 downwards, achieving the pressing effect of the outer ring 61. The heat sealing assembly 33 is installed inside the pressure frame 31. The heat sealing assembly 33 includes a heat sealing push cylinder 331 and a push rod disc 332. The push rod disc 332 is connected to the piston rod end of the heat sealing push cylinder 331. Several heat sealing pressure rods 333 are connected to the bottom surface of the push rod disc 332. The several heat sealing pressure rods 333 are evenly distributed on a circumference centered on the center of the push rod disc 332. A hole is formed on the bottom surface of the pressure frame 31. There are several through holes 311, which are arranged one-to-one with heat sealing pressure bars 333. Pressing the outer ring 61 is the first step, and the heat sealing foot 611 is heat-fused into the heat sealing groove 621 to achieve the joint is the second step. The heat sealing component 33 is designed to achieve the second step. During the first step, the heat sealing component 33 is not activated. The heat sealing pressure bars 333 are hidden in the pressure frame 31 and do not affect the press of the outer ring 61. After the press is in place, the heat sealing component 33 is activated. The heat sealing pressure bars 333 are pushed downward by the heat sealing push cylinder 331 and act on the heat sealing foot 611 to heat-fuse it into the heat sealing groove 621 to achieve the joint effect. In this invention, the number and layout of the heat sealing pressure bars 333 should match the joint point of the outer ring 61 and the inner ring 62.

[0026] like Figure 3As shown, the workpiece mold base 4 includes a mold base plate 41, a movable lower mold 42, and an upper mold mounting bracket 43. A translation rail 411 is laid on the mold base plate 41. The movable lower mold 42 includes a sliding base 421 and a lower mold base 422. The movable lower mold 42 is movably mounted on the translation rail 411 via the sliding base 421. The lower mold base 422 is rotatably mounted on the sliding base 421. The lower mold base 422 is used to place the inner ring 62. The bottom of the inner ring 62 is provided with several evenly distributed feet 622. The lower mold base 422 should be designed with foot 622 slots to ensure the stable placement of the inner ring 62. The lower mold base 422 adopts a rotating design to achieve the positioning of the inner ring 62 during rotation. The upper mold mounting bracket 43 is straddling the translation rail 411. An upper mold base 44 is rotatably mounted on the upper mold mounting bracket 43. The outer ring 61 can be installed on the upper mold base 44. Similarly, the upper mold base 44 is also designed to rotate. To ensure the outer ring 61 is positioned during rotation, a lower mold positioning component 45 is installed on the mold base plate 41. When the moving lower mold 42 touches the lower mold positioning component 45, the lower mold base 422 and the upper mold base 44 are aligned vertically. Before the pressing operation of the outer ring 61, the outer ring 61 and the inner ring 62 need to be aligned vertically so that the outer ring 61 can be accurately pressed onto the inner ring 62. The installation position of the upper mold base 44 is fixed, while the lower mold base 422 needs to move inward and outward due to the requirement of installing the inner ring 62. Therefore, the main purpose is to achieve the positioning control of the lower mold base 422. The lower mold positioning component 45 plays the above-mentioned positioning control role, so that the outer ring 61 and the inner ring 62 can be aligned vertically before pressing. A gap is left between the lower mold base 422 and the upper mold base 44. This gap should not affect the movement of the moving lower mold 42, nor affect the pressing operation.

[0027] like Figure 3 As shown, the lower mold positioning assembly 45 includes a positioning stop 451, a first positioning magnet 452, and a second positioning magnet 453. The positioning stop 451 is fixedly installed at the end of the translation rail 411. The first positioning magnet 452 is embedded in the positioning stop 451, and the second positioning magnet 453 is embedded in the sliding base 421 facing the end of the positioning stop 451. The first positioning magnet 452 and the second positioning magnet 453 can attract each other. When the moving lower mold 42 moves towards the positioning stop 451, the sliding base 421 can accurately fit against the positioning stop 451 due to the magnetic attraction force, thus ensuring the accurate positioning of the moving lower mold 42. When the moving lower mold 42 is pulled in the opposite direction, it is only necessary to overcome the magnetic attraction force.

[0028] like Figure 3As shown, a pull rod 423 is connected to the side wall of the sliding base 421. The pull rod 423 can help pull the moving lower mold 42. Before the pressing operation, since the upper mold base 44 is directly exposed, the placement and installation of the outer ring 61 is not a problem. However, the lower mold base 422 is blocked by the upper mold mounting bracket 43, and the placement and installation of the inner ring 62 cannot be completed directly. Therefore, it is necessary to pull the moving lower mold 42 to the outside of the range of the upper mold mounting bracket 43 to expose the lower mold base 422. Therefore, in this invention, the translation rail 411 can extend to the outside of the range of the upper mold mounting bracket 43 so that the moving lower mold 42 can be pulled out as a whole.

[0029] like Figure 3 As shown, several evenly distributed elastic blocking plates 441 are connected to the bottom surface of the upper mold base 44. The bottom ends of the elastic blocking plates 441 are all inclined towards the central axis of the upper mold base 44, and the top ends of the elastic blocking plates 441 are flush with the inner wall of the upper mold base 44. The inner hole of the upper mold base 44 serves as a guide for pressing the outer ring 61. It is in a relatively loose fit with the outer ring 61. In order to prevent the outer ring 61 from falling off abnormally after installation, the present invention designs elastic blocking plates 441 to prevent the outer ring 61 from falling. At the same time, the elastic blocking plates 441 are elastic. When the outer ring 61 is pressed down, the elastic blocking plates 441 will be squeezed and expanded, which will not affect the pressing of the outer ring 61, but only play an auxiliary guiding role.

[0030] like Figure 3 As shown, the ring assembly positioning component 5 includes a positioning rod 51, which is vertically connected to the upper mold mounting bracket 43. A first positioning magnetic head 52 is connected to the top of the positioning rod 51, and the first positioning magnetic head 52 is installed facing the upper mold base 44. The bottom end of the positioning rod 51 passes through the upper mold mounting bracket 43 and extends downwards. A second positioning magnetic head 53 is connected to the bottom end of the positioning rod 51, and the second positioning magnetic head 53 is installed facing the lower mold base 422. The ring assembly positioning component 5 serves as a magnetic positioning device. Figure 6 As shown, a positioning magnetic strip 63 is attached to the outer wall of the outer ring 61. The positioning magnetic strip 63 positions one of the heat-sealing feet 611 of the outer ring 61 (currently, the company uses a shallow groove corresponding to the heat-sealing foot 611 to be opened on the outer wall of the outer ring 61 during mold casting, and the positioning magnetic strip 63 is attached to the shallow groove for easy placement). Figure 7As shown, a positioning magnetic strip 63 is also attached to the outer wall of one of the base feet 622 of the inner ring 62. This positioning magnetic strip 63 corresponds to one of the heat-sealing grooves 621 of the inner ring 62 (after the inner ring 62 is placed on the lower mold base 422, the upper part of the base foot 622 is exposed, and the positioning magnetic strip 63 is attached to this position. Similarly, a shallow groove is pre-set in this position to facilitate the attachment operation). Since both the lower mold base 422 and the upper mold base 44 are designed to rotate, the inner ring 62 and the outer ring 61 can rotate freely. The first positioning magnetic head 52 and the second positioning magnetic head 53 correspond to the positioning magnetic strips 63 of the outer ring 61 and the inner ring 62, respectively. When the inner ring 62 and the outer ring 61 rotate, the positioning magnetic strips 63 of the inner ring 62 and the outer ring 61 are attracted by the magnetic attraction effect, realizing the rapid positioning of the inner ring 62 and the outer ring 61. When a set of heat-sealing feet 611 and heat-sealing grooves are connected, the positioning magnetic strips 63 of the inner ring 62 and the outer ring 61 are connected to the heat-sealing grooves. After alignment 621, all other heat-sealing feet 611 and heat-sealing grooves 621 will be aligned. With this invention, workers can place the inner ring 62 and outer ring 61 at any angle without needing to align them. After placement, the lower mold base 422 and upper mold base 44 can be gently pushed to rotate, achieving quick and automatic alignment of the inner ring 62 and outer ring 61. The above operation process is very simple, requires little work experience, and is easy for workers to learn. Moreover, the time for adjustment and alignment can be greatly reduced, which is conducive to quickly connecting subsequent pressing processes and significantly improving product production efficiency. Furthermore, since the alignment is automatic, it is not affected by human subjectivity, and the scrap rate of the product is effectively controlled, greatly improving the quality stability of the product. With this invention, the production cost of a single product is effectively controlled, which not only meets the needs of mass production but also improves economic efficiency.

[0031] like Figure 1 As shown, a material cabinet 11 is connected to the side of the equipment cabinet 1. The material cabinet 11 is used to place workpiece turnover boxes. The height of the material cabinet 11 is lower than that of the equipment cabinet 1 so that the height of the workpiece turnover boxes is just at a comfortable position for workers to take them out.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A pressing device for irregularly shaped combined rings, used in the pressing operation of irregularly shaped combined rings (6), comprising an equipment cabinet (1), a pressure device (2), and a workpiece mold base (4), characterized in that: The pressure device (2) is fixedly installed on the table of the equipment cabinet (1). The pressure device (2) includes a machine head (21). A lifting rod (22) is movably installed on the machine head (21). A pressure head mechanism (3) is connected to the bottom end of the lifting rod (22). The workpiece mold base (4) is installed on the table of the equipment cabinet (1). The workpiece mold base (4) is used to place the ring parts that need to be pressed. The workpiece mold base (4) is located directly below the pressure head mechanism (3). A ring combination positioning assembly (5) is installed on the workpiece mold base (4). The ring combination positioning assembly (5) is used to position the ring parts. The workpiece mold base (4) includes a mold base plate (41), a movable lower mold (42), and an upper mold mounting bracket (43). A translation rail (411) is laid on the base plate (41). The movable lower mold (42) includes a sliding base (421) and a lower mold base (422). The movable lower mold (42) is movably mounted on the translation rail (411) via the sliding base (421). The lower mold base (422) is rotatably mounted on the sliding base (421). The upper mold mounting frame (43) is straddling the translation rail (411). An upper mold base (44) is rotatably mounted on the upper mold mounting frame (43). A lower mold positioning assembly (45) is mounted on the mold base plate (41). When the movable lower mold (42) touches the lower mold positioning assembly (45), the lower mold base (422) and the upper mold base (44) are aligned vertically. A gap is left between the ring assembly and the upper mold base (44). The ring assembly positioning component (5) includes a positioning rod (51), which is vertically connected to the upper mold mounting frame (43). The top of the positioning rod (51) is connected to a first positioning magnetic head (52), which is installed towards the upper mold base (44). The bottom end of the positioning rod (51) extends downward through the upper mold mounting frame (43). The bottom end of the positioning rod (51) is connected to a second positioning magnetic head (53), which is installed towards the lower mold base (422). The irregularly shaped combined ring (6) includes two main parts: an outer ring (61) and an inner ring (62). The outer ring (61) can be press-fitted onto the inner ring (62). The inner hole of the outer ring (61) has several heat-sealing feet (611) formed at the top, which are evenly distributed. The top of the inner ring (62) has several heat-sealing grooves (621), which are evenly distributed and correspond one-to-one with the heat-sealing feet (611). The first positioning magnetic head (52) and the second positioning magnetic head (53) correspond to the positioning magnetic strips (63) of the outer ring (61) and the inner ring (62) respectively. When the inner ring (62) and the outer ring (61) rotate, the positioning magnetic strips (63) of the inner ring (62) and the outer ring (61) are attracted by the magnetic attraction effect, so as to realize the rapid positioning of the inner ring (62) and the outer ring (61). When a set of heat-sealing feet (611) and heat-sealing grooves (621) are aligned,All other heat-sealed feet (611) and heat-sealed grooves (621) will be implemented accordingly.

2. The pressing device for irregularly shaped combined rings as described in claim 1, characterized in that: The pressure head mechanism (3) includes a pressure frame (31) and a heat sealing component (33). The pressure frame (31) is connected to a pressure ring (32) at the bottom. The heat sealing component (33) is installed inside the pressure frame (31). The heat sealing component (33) includes a heat sealing push cylinder (331) and a push rod plate (332). The push rod plate (332) is connected to the piston rod end of the heat sealing push cylinder (331). Several heat sealing pressure rods (333) are connected to the bottom surface of the push rod plate (332). Several heat sealing pressure rods (333) are evenly distributed on a circumference with the center of the push rod plate (332) as the center. Several through holes (311) are opened on the bottom surface of the pressure frame (31). The through holes (311) correspond one-to-one with the heat sealing pressure rods (333).

3. The pressing device for irregularly shaped combined rings as described in claim 1, characterized in that: The lower mold positioning assembly (45) includes a positioning stop (451), a first positioning magnet (452), and a second positioning magnet (453). The positioning stop (451) is fixedly installed at the end of the translation rail (411). The first positioning magnet (452) is embedded in the positioning stop (451). The second positioning magnet (453) is embedded in the sliding base (421) facing the end of the positioning stop (451). The first positioning magnet (452) and the second positioning magnet (453) can attract each other.

4. The pressing device for irregularly shaped combined rings as described in claim 1, characterized in that: A pull rod (423) is connected to the side wall of the sliding base (421), and the translation rail (411) can extend to the outside of the range of the upper mold mounting frame (43).

5. The pressing device for irregularly shaped combined rings as described in claim 1, characterized in that: Several evenly distributed elastic blocking plates (441) are connected to the bottom surface of the upper mold base (44). The bottom ends of the elastic blocking plates (441) are all inclined towards the central axis of the upper mold base (44), and the top ends of the elastic blocking plates (441) are all flush with the inner wall of the upper mold base (44).

6. The pressing device for irregularly shaped combined rings as described in claim 1, characterized in that: The equipment cabinet (1) is connected to a material cabinet (11) on one side, and the height of the material cabinet (11) is lower than that of the equipment cabinet (1).

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