O-shaped ring assembling equipment

Abstract

The utility model relates to the technical field of automatic assembly equipment, in particular to O-shaped ring assembly equipment, which comprises an index plate, an O-shaped ring feeding assembly, an O-shaped ring mounting assembly, an O-shaped ring feeding assembly, an O-shaped ring feeding assembly, an O-shaped ring feeding assembly, an O-shaped ring feeding assembly, an O-shaped ring feeding assembly, an O-shaped ring feeding assembly and an O-shaped ring feeding assembly, according to the device, the auxiliary hammers can be placed in the index plate through the auxiliary hammer feeding assembly, O-shaped rings on the O-shaped ring feeding assembly are taken through the O-shaped ring mounting assembly, the O-shaped rings are expanded through the O-shaped ring mounting assembly, and the O-shaped rings are mounted on the auxiliary hammers; the whole process is automatic and integrated, manpower is reduced, the assembling efficiency of O-shaped rings is improved, and the reject ratio of products is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic assembly equipment, in particular to an O-ring assembly device. Background Art

[0002] Among sealing rings, O-shaped rubber rings are relatively common and are widely used in various mechanical equipment. They are essential in products such as electric hammers and pick hammers in the field of power tools and are widely used as important seals for the seals of impact hammers and pistons.

[0003] In order to achieve the airtight effect, it is necessary to expand the O-shaped rubber ring and pass it over one end of the workpiece and then fit it into the groove. At present, the assembly of existing O-shaped rubber rings generally relies on manual assembly. Due to the small size of the parts, manual assembly is time-consuming and laborious, with low assembly efficiency, and often there are missing assemblies, resulting in a high defective rate of products, which not only reduces the production quality but also increases the production cost. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the deficiencies existing in the prior art, and provide an O-ring assembly device, including:

[0005] A dividing plate for rotating and transferring a sub-hammer, and a plurality of sub-hammer placement grooves are annularly arranged at the edge of the dividing plate; an O-ring feeding assembly, an O-ring installation assembly for expanding and installing an O-ring, a finished product discharging assembly, and a sub-hammer feeding assembly for placing the sub-hammer in the sub-hammer placement groove are sequentially annularly arranged outside the dividing plate;

[0006] The O-ring feeding assembly is provided with an O-ring positioning groove;

[0007] The O-ring installation assembly includes an installation frame, an expansion table assembly provided with expansion columns, a bottom plate that is horizontally slidably connected to the installation frame, an installation table that is longitudinally slidably connected to the bottom plate, a first picking rod and a second picking rod symmetrically arranged on the lower bottom surface of the installation table, and a first pressing plate sleeved outside the first picking rod and the second picking rod; wherein, the first pressing plate can move up and down along the first picking rod and the second picking rod; the axes of the expansion columns, the O-ring positioning groove, the first picking rod, and the second picking rod are located in the same vertical plane.

[0008] Further, a horizontal guide rail is provided on the installation frame, a horizontal guide groove matching the horizontal guide rail is provided on the surface of the bottom plate connected to the installation frame, and the bottom plate is connected to a first driving cylinder;

[0009] One side of the bottom plate that does not contact the mounting frame is provided with a longitudinal guide rail. One side of the mounting table that contacts the bottom plate is provided with a longitudinal guide groove that matches the longitudinal guide rail. The mounting frame is connected to a second driving cylinder. Further, the mounting table includes a vertically arranged first mounting plate that contacts the bottom plate, a horizontally arranged second mounting plate, and triangular support plates that connect the first mounting plate and the second mounting plate respectively;

[0010] Above the second mounting plate, there is a third driving cylinder. The cylinder head of the third driving cylinder penetrates the second mounting plate and is fixedly connected to the first pressing plate.

[0011] Further, the first picking rod includes a cylindrical first picking column and an inverted conical guiding column provided at the bottom of the first picking column; the second picking rod is in the shape of a hollow cylinder;

[0012] The size and shape of the first picking column match those of the second picking rod.

[0013] Further, the expansion table assembly includes an expansion table frame body, an expansion column provided above the expansion table frame body, a second pressing plate sleeved around the periphery of the expansion column, and the second pressing plate is connected to a fourth driving cylinder; the expansion column is in the shape of a hollow cylinder, and the outer diameter of the expansion column matches the outer wall of the second picking rod.

[0014] Further, the O-ring feeding assembly includes an O-ring vibrating disk, an O-ring conveyor belt connected to the outlet end of the O-ring vibrating disk, and an O-ring pushing table connected to the O-ring conveyor belt;

[0015] The O-ring pushing table includes a receiving table board, a fifth driving cylinder and an O-ring positioning groove respectively provided at both ends of the receiving table board. The fifth driving cylinder is connected to a pushing plate; the pushing plate moves back and forth along the receiving table board between the O-ring positioning groove and the fifth driving cylinder under the drive of the fifth driving cylinder.

[0016] Further, a hollow cylinder is provided inside the cavity of the O-ring positioning groove. The outer wall of the hollow cylinder is fixedly connected to the inner wall of the O-ring positioning groove. The height of the hollow cylinder is less than the height of the O-ring positioning groove, and the inner diameter of the hollow cylinder is less than the outer diameter of the O-ring.

[0017] Further, the finished product discharging assembly includes a blanking table and a blanking pushing plate;

[0018] The sub-hammer feeding assembly includes a sub-hammer vibrating disk, a sub-hammer conveyor belt connected to the discharge port of the sub-hammer vibrating disk, a sub-hammer placing table provided at the end of the sub-hammer conveyor belt, and a feeding gripper for clamping the sub-hammer on the sub-hammer placing table and placing it into the sub-hammer placing groove.

[0019] Further, a groove for installing an O-ring is provided on the auxiliary hammer, and the inner diameter of the second pick-up rod in the shape of a hollow cylinder matches the outer diameter of the auxiliary hammer.

[0020] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0021] 1. The O-ring assembling device of the present utility model includes an indexing plate for rotating and transferring the auxiliary hammer. An O-ring feeding assembly, an O-ring installing assembly for expanding and installing the O-ring, a finished product discharging assembly, and an auxiliary hammer feeding assembly for placing the auxiliary hammer in the auxiliary hammer placing groove are sequentially arranged around the indexing plate. The auxiliary hammer can be placed in the indexing plate through the auxiliary hammer feeding assembly. The O-ring on the O-ring feeding assembly is picked up by the O-ring installing assembly, the O-ring is expanded by the O-ring installing assembly and installed on the auxiliary hammer, and then the indexing plate sends the assembled auxiliary hammer finished product to the finished product discharging assembly. The whole process is automatically integrated, reducing labor, improving the assembly efficiency of the O-ring, and reducing the defective rate of the product. Description of the Drawings

[0022] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:

[0023] Figure 1 is a top view of an O-ring assembling device of the present utility model;

[0024] Figure 2 is a schematic diagram of an O-ring installing assembly of an O-ring assembling device of the present utility model;

[0025] Figure 3 is a schematic diagram of a first pick-up rod of an O-ring assembling device of the present utility model;

[0026] Figure 4 is a schematic diagram of an indexing plate of an O-ring assembling device of the present utility model.

[0027] Reference Signs

[0028] 1: Indexing plate;

[0029] 11: Auxiliary hammer placing groove;

[0030] 2: O-ring feeding assembly;

[0031] 21: O-ring vibrating bowl; 22: O-ring conveyor belt; 23: O-ring pushing table;

[0032] 231: Accommodating table board; 232: Fifth driving cylinder; 233: O-ring positioning groove; 234: Pushing plate; 235: Hollow cylinder;

[0033] 3: O-ring installation component;

[0034] 31: Mounting frame; 32: Expansion table assembly; 33: Base plate; 34: Installation table; 35: First picking rod; 36: Second picking rod; 37: First pressing plate; 38: First driving cylinder; 39: Second driving cylinder;

[0035] 321: Expansion table frame; 322: Expansion column; 323: Second pressing plate;

[0036] 341: First mounting plate; 342: Second mounting plate; 343: Triangular support plate; 344: Third driving cylinder;

[0037] 351: First picking column; 352: Inverted conical guide column;

[0038] 4: Finished product discharging component;

[0039] 41: Blanking table; 42: Blanking push plate;

[0040] 5: Sub-hammer feeding component;

[0041] 51: Sub-hammer vibrating disk; 52: Sub-hammer conveyor belt; 53: Sub-hammer placement table; 54: Feeding gripper. Detailed implementation mode

[0042] In order to make the purpose, technical solution and advantages of the present utility model clearer, the present utility model will be further described in detail below in conjunction with the accompanying drawings and specific implementation modes. It should be understood that the specific implementation modes described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0043] Embodiment 1

[0044] Please refer to Figures 1-4 , the technical solution of an O-ring assembly device provided in this embodiment is as follows, including:

[0045] An indexing plate 1 for rotating and transferring sub-hammers, and a plurality of sub-hammer placement grooves 11 are annularly arranged at the edge of the indexing plate 1; an O-ring feeding component 2, an O-ring installation component 3 for expanding and installing O-rings, a finished product discharging component 4, and a sub-hammer feeding component 5 for placing sub-hammers in the sub-hammer placement grooves 11 are sequentially annularly arranged outside the indexing plate 1;

[0046] The O-ring feeding component 2, and an O-ring positioning groove 233 is provided on the O-ring feeding component 2;

[0047] The O-ring installation component 3 includes an installation frame 31, an expansion table component 32 provided with expansion columns 322, a bottom plate 33 that is horizontally slidably connected to the installation frame 31, an installation table 34 that is vertically slidably connected to the bottom plate 33, a first picking rod 35 and a second picking rod 36 symmetrically arranged on the lower bottom surface of the installation table 34, and a first pressing plate 37 sleeved around the first picking rod 35 and the second picking rod 36; wherein, the first pressing plate 37 can be displaced up and down along the first picking rod 35 and the second picking rod 36; the axes of the expansion columns 322, the O-ring positioning grooves 233, the first picking rod 35, and the second picking rod 36 are located in the same vertical plane.

[0048] Preferably, the O-ring feeding component 2 wound around the periphery of the indexing plate 1, the O-ring installation component 3, the finished product discharging component 4, and the auxiliary hammer feeding component 5 can also have other arrangement methods, such as adding the O-ring feeding component 2 and the O-ring installation component 3 to improve efficiency, etc. Any arrangement method that can achieve operation is within the protection scope of this design; and the driving method of the indexing plate 1 is not limited in the present invention, and methods such as motor gear driving provided at the bottom of the indexing plate 1 can be used in the present invention.

[0049] Preferably, taking Figure 1 the schematic top view as an example, the O-ring feeding component 2 in this embodiment is arranged on the left side of the indexing plate 1, the O-ring installation component 3 is arranged on the upper side of the indexing plate 1, and the finished product discharging component 4 and the auxiliary hammer feeding component 5 are arranged on the right side of the indexing plate 1.

[0050] Specifically, in order to enable the installation table 34 to displace back and forth between the O-ring feeding component 2 and the auxiliary hammer placement groove 11 on the indexing plate 1, a horizontal guide rail is provided on the installation frame 31, and a horizontal guide groove matching the horizontal guide rail is provided on the surface where the bottom plate 33 is connected to the installation frame 31. The bottom plate 33 is connected to a first driving cylinder 38, and the first driving cylinder 38 is horizontally arranged. Under the drive of the first driving cylinder 38, the bottom plate 33 can translate left and right along the horizontal guide rail;

[0051] In order to enable the installation table 34 to freely adjust its height up and down, a vertical guide rail is provided on the surface of the bottom plate 33 that is not connected to the installation frame 31, and a vertical guide groove matching the vertical guide rail is provided on the surface where the installation table 34 is connected to the bottom plate 33. The installation frame 31 is connected to a second driving cylinder 39, and the second driving cylinder 39 is vertically arranged. Under the drive of the second driving cylinder 39, the installation table 34 displaces up and down along the horizontal guide rail.

[0052] Specifically, the mounting table 34 includes a vertically arranged first mounting plate 341 connected to the bottom plate 33, a horizontally arranged second mounting plate 342, and triangular support plates 343 connecting the first mounting plate 341 and the second mounting plate 342 respectively. Two right-angled sides of the triangular support plates 343 are respectively connected to the first mounting plate 341 and the second mounting plate 342. There are two triangular support plates 343, and a mounting interval for the third driving cylinder 344 is provided between the two triangular support plates 343;

[0053] Above the second mounting plate 342, there is a third driving cylinder 344. The cylinder head of the third driving cylinder 344 penetrates the second mounting plate 342 and is fixedly connected to the first pressing plate 37. Driven by the third driving cylinder 344, the first pressing plate 37 can move up and down along the first picking rod 35 and the second picking rod 36 to push the O-ring on the first picking rod 35 onto the expansion column 322.

[0054] Specifically, the first picking rod 35 includes a cylindrical first picking column 351 and an inverted conical guiding column 352 provided at the bottom of the first picking column 351; the second picking rod 36 is in the shape of a hollow cylinder;

[0055] Preferably, the inverted conical guiding column 352 is similar to a hollow four-claw style, and the inverted conical guiding column 352 plays a guiding role in expanding the O-ring onto the first picking column 351.

[0056] The first picking column 351 matches the second picking rod 36 in size and shape.

[0057] In a specific implementation, when the first picking rod 35 picks up an O-ring from the O-ring feeding assembly 2 (at this time, the O-ring is sleeved on the inverted conical guiding column 352), the mounting table 34 is lifted and laterally displaced above the expansion column 322. The mounting table 34 moves down along the longitudinal guide rail, the inverted conical guiding column 352 is inserted into the inner cavity of the expansion column 322, and the first pressing plate 37 moves down to push the O-ring to the periphery of the expansion column 322 to complete the expansion.

[0058] Specifically, the expansion table assembly 32 includes an expansion table frame 321, an expansion column 322 provided above the expansion table frame 321, a second pressing plate 323 sleeved on the periphery of the expansion column 322. The second pressing plate 323 is connected to a fourth driving cylinder. The fourth driving cylinder is vertically arranged (not shown in the figure), and the cylinder head of the fourth driving cylinder is connected to the second pressing plate 323; the expansion column 322 is in the shape of a hollow cylinder, and the outer diameter of the expansion column 322 matches the outer wall of the second picking rod 36.

[0059] In a specific implementation, after the O-ring is expanded, the mounting table 34 is lifted and then moved leftward, so that the second picking rod 36 is located above the expansion column 322. The mounting table 34 is lowered so that the lower bottom surface of the expansion column 322 is in contact with the upper end surface of the expansion column 322. The second pressing plate 323 is lifted to push the expanded O-ring onto the second picking rod 36;

[0060] Specifically, the O-ring feeding assembly 2 includes an O-ring vibrating bowl 21, an O-ring conveyor belt 22 connected to the outlet end of the O-ring vibrating bowl 21, and an O-ring pushing table 23 connected to the O-ring conveyor belt 22. The vibrating bowl and conveyor belt components are already very perfect in the prior art, and any structure that can realize vibrating and conveying materials can be applied to this design, so no limitation is made here;

[0061] The O-ring pushing table 23 includes a receiving table plate 231, a fifth driving cylinder 232 and the O-ring positioning groove 233 respectively arranged at both ends of the receiving table plate 231. The fifth driving cylinder 232 is connected to a push plate 234; the push plate 234 moves back and forth between the O-ring positioning groove 233 and the fifth driving cylinder 232 along the receiving table plate 231 under the drive of the fifth driving cylinder 232;

[0062] Specifically, in order to prevent the O-ring from falling to the bottom after being pushed into the O-ring positioning groove 233 and to provide a receiving space for the insertion of the inverted conical guide post 352, a hollow cylinder 235 is arranged in the inner cavity of the O-ring positioning groove 233. The outer wall of the hollow cylinder 235 is fixedly connected to the inner wall of the O-ring positioning groove 233. The height of the hollow cylinder is less than the height of the O-ring positioning groove 233, and the inner diameter of the hollow cylinder 235 is less than the outer diameter of the O-ring; in this structure, the O-ring pushed into the O-ring positioning groove 233 is placed on the upper surface of the hollow cylinder 235 in the O-ring positioning groove 233, and the inner cavity of the hollow cylinder 235 and the inner ring of the O-ring provide a receiving space for the insertion of the inverted conical guide post 352.

[0063] Specifically, the finished product discharging assembly 4 includes a blanking table 41 and a blanking push plate 42; the sub-hammer feeding assembly 5 includes a sub-hammer vibrating bowl 51, a sub-hammer conveyor belt 52 connected to the discharge port of the sub-hammer vibrating bowl 51, a sub-hammer placing table 53 arranged at the end of the sub-hammer conveyor belt 52, and a feeding gripper 54 for gripping the sub-hammer on the sub-hammer placing table 53 and placing it in the sub-hammer placing groove 11. A cylinder can be arranged on the sub-hammer vibrating bowl to push the sub-hammer into the sub-hammer conveyor belt 52 by driving the cylinder; the focus of this design is on the expansion and installation of the O-ring. For the feeding gripper 54, the blanking push plate 42, the vibrating bowl and the conveyor belt and other structures are already very perfect in the prior art, and any structure that can realize grasping, vibrating and conveying materials can be applied to this design, so no further description is given here;

[0064] Specifically, a groove for installing an O-ring is provided on the auxiliary hammer, and the inner diameter of the second picking rod 36 in the shape of a hollow cylinder matches the outer diameter of the auxiliary hammer.

[0065] Preferably, the upper end face of the groove of the auxiliary hammer located in the O-ring positioning groove 233 is on the same horizontal plane as the upper end face of the expansion column 322.

[0066] Preferably, the finished product blanking can also be screened by setting an identifier and divided into good products and defective products for separate blanking.

[0067] The working principle or working process of an O-ring assembly device provided by the present utility model is as follows:

[0068] The O-ring feeding assembly 2 conveys the O-ring to the O-ring pushing table 23 through a conveyor belt, and the fifth driving cylinder 232 drives the push plate 234 to push the O-ring into the O-ring positioning groove 233; the auxiliary hammer feeding assembly 5 conveys the auxiliary hammer to the auxiliary hammer placing table 53 through a conveyor belt, and the feeding gripper 54 grabs the auxiliary hammer and places it in the auxiliary hammer placing groove 11 on the indexing plate 1. The indexing plate 1 rotates and gradually turns the auxiliary hammer below the O-ring installation assembly 3;

[0069] The installation table 34 moves leftward, so that the first picking rod 35 is located above the O-ring positioning groove 233. The installation table 34 moves downward, and under the action of the upper end face of the hollow cylinder 235, the O-ring is sleeved onto the inverted conical guide post 352;

[0070] After the installation table 34 moves upward and then rightward, the first picking rod 35 is displaced above the expansion column 322. The installation table 34 moves downward along the longitudinal guide rail, and the inverted conical guide post 352 is inserted into the inner cavity of the expansion column 322. The first pressing plate 37 moves downward to push the O-ring to the periphery of the expansion column 322 to complete the expansion;

[0071] After the installation table 34 moves upward and then leftward, the second picking rod 36 is located above the expansion column 322. The installation table 34 is moved downward so that the lower bottom surface of the expansion column 322 is connected to the upper end surface of the expansion column 322. The second pressing plate 323 is moved upward to push the expanded O-ring onto the second picking rod 36; (Note: When the second picking rod 36 is located above the expansion column 322, the first picking rod 35 is located above the O-ring positioning groove 233. When the installation table 34 moves downward, the first picking rod 35 realizes secondary picking; )

[0072] The mounting table 34 moves upward and then rightward, so that the second pick-up rod 36 is located above the sub-hammer placement groove 11. The mounting table 34 is moved downward, so that the inner cavity of the second pick-up rod 36 sleeves on the head of the sub-hammer. At this time, the lower end surface of the second pick-up rod 36 is flush with the upper end surface of the sub-hammer groove. The first pressing plate 37 is moved downward to push the O-ring on the second pick-up rod 36 into the groove, completing the installation. (Note: When the second pick-up rod 36 is located on the sub-hammer placement groove 11, the first pick-up rod 35 is located above the expansion column 322. When the mounting table 34 moves downward and the first pressing plate 37 moves downward, the first pick-up rod 35 realizes secondary picking and expansion);

[0073] The mounting table 34 moves upward, and the indexing plate 1 rotates to turn the installed sub-hammer to the finished product discharging assembly 4. The blanking push plate 42 grabs the installed sub-hammer to the blanking table 41. This is the installation process of a single sub-hammer.

[0074] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An O-ring assembly device, characterized in that: include: A dividing plate for rotating and transmitting the secondary hammer, wherein a plurality of secondary hammer placement grooves are arranged around the edge of the dividing plate; an O-ring loading assembly, an O-ring installation assembly for expanding and installing the O-ring, a finished product discharging assembly, and a secondary hammer loading assembly for placing the secondary hammer in the secondary hammer placement groove are arranged in sequence around the periphery of the dividing plate; The O-ring feeding assembly is provided with an O-ring positioning groove; The O-ring mounting assembly includes a mounting frame, an expansion platform assembly with an expansion column, a base plate connected to the mounting frame for transverse sliding, a mounting platform connected to the base plate for longitudinal sliding, a first pickup rod and a second pickup rod symmetrically arranged on the bottom surface of the mounting platform, and a first pressure plate sleeved on the periphery of the first pickup rod and the second pickup rod; wherein the first pressure plate can be displaced up and down along the first pickup rod and the second pickup rod; the expansion column, the O-ring positioning groove, the first pickup rod and the axis of the second pickup rod are located on the same vertical plane.

2. The O-ring assembly device according to claim 1, characterized in that: The mounting frame is provided with a transverse guide rail, the surface of the bottom plate connected to the mounting frame is provided with a transverse guide groove matching the transverse guide rail, and the bottom plate is connected to the first driving cylinder; A longitudinal guide rail is arranged on one side of the base plate that is not connected to the mounting frame, a longitudinal guide groove matching the longitudinal guide rail is arranged on one side of the mounting platform that is connected to the base plate, and the mounting frame is connected to the second driving cylinder.

3. The O-ring assembly device according to claim 2, characterized in that: The mounting platform includes a vertically arranged first mounting plate connected to the bottom plate, a horizontally arranged second mounting plate, and a triangular support plate respectively connecting the first mounting plate and the second mounting plate; A third driving cylinder is arranged above the second mounting plate, and a cylinder head of the third driving cylinder penetrates through the second mounting plate and is fixedly connected to the first pressing plate.

4. The O-ring assembly device according to claim 1, characterized in that: The first pickup rod comprises a cylindrical first pickup column and an inverted cone-shaped guide column arranged at the bottom of the first pickup column; the second pickup rod is in the shape of a hollow column; The size and shape of the first pickup column match those of the second pickup rod.

5. The O-ring assembly device according to claim 1, characterized in that: The expansion table assembly includes an expansion table frame, an expansion column arranged above the expansion table frame, and a second pressure plate mounted on the periphery of the expansion column, wherein the second pressure plate is connected to a fourth driving cylinder; the expansion column is a hollow cylindrical style, and the outer diameter of the expansion column matches the outer wall of the second pickup rod.

6. The O-ring assembly device according to claim 1, characterized in that: The O-ring feeding assembly includes an O-ring vibration plate, an O-ring conveyor belt connected to the outlet end of the O-ring vibration plate, and an O-ring pushing platform connected to the O-ring conveyor belt; The O-ring pushing platform includes a receiving platform, and two The fifth driving cylinder and the O-ring positioning groove are connected to the push plate; the push plate moves back and forth between the O-ring positioning groove and the fifth driving cylinder along the containing table under the drive of the fifth driving cylinder.

7. The O-ring assembly device according to claim 6, characterized in that: The inner cavity of the O-ring positioning groove is provided with a hollow cylinder, the outer wall of the hollow cylinder is fixedly connected to the inner wall of the O-ring positioning groove, the height of the hollow cylinder is smaller than the height of the O-ring positioning groove, and the inner diameter of the hollow cylinder is smaller than the outer diameter of the O-ring.

8. The O-ring assembly device according to claim 6, characterized in that: The finished product discharging assembly includes a material discharge platform and a material discharge push plate; The secondary hammer feeding assembly includes a secondary hammer vibrating plate and a discharge port of the secondary hammer vibrating plate. A connected auxiliary hammer conveyor belt, an auxiliary hammer placement platform arranged at the end of the auxiliary hammer conveyor belt, and a loading clamp used for clamping the auxiliary hammer on the auxiliary hammer placement platform to the auxiliary hammer placement groove.

9. The O-ring assembly device according to claim 4, characterized in that: The secondary hammer is provided with a groove for installing an O-ring, and the inner diameter of the second hollow cylindrical pickup rod matches the outer diameter of the secondary hammer.

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