Bushing pressing device with stable thickness

Abstract

The utility model belongs to the technical field of product press-fitting processing, and particularly relates to a bushing pressing device with stable thickness. The limiting guide rod is arranged between the upper die plate and the lower die plate of the bushing pressing device, so that the upper die plate and the lower die plate can be quickly butted, the press-fitting finishing height can be accurately limited to ensure that the bushing press-fitting thickness is stable and consistent, the manual repeated finishing time is saved, meanwhile, the reasonable arrangement of the supporting block and the rivet pressing head is matched, and the production efficiency is improved. The press-fitting position of the lining of the product can be accurately positioned, so that the press-fitting production efficiency of the lining is greatly improved, and the product quality is improved; the bushing pressing device is compact in overall structure, quick and convenient to operate, accurate in product positioning and fixed in pressure stroke in the bushing pressing process, quick demolding of products can be achieved by arranging the upper connecting spring, the lower connecting spring and the stripping block, and the production efficiency of the products is further improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of product press-fitting processing, and particularly relates to a press bushing device with a stable thickness. Background Art

[0002] Bushings are rings that act as cushions. In mechanical components, long-term contact friction and movement can cause wear and even damage to parts, resulting in the need for frequent replacement of parts. Therefore, the use of bushings in assembly parts can effectively reduce wear and vibration of equipment or parts, and provide sealing and corrosion protection. They are widely used in packaging machinery, forging machinery, and various types of machine tool interchangeable transmission connections.

[0003] The existing technology of bushing pressing requires manual labor to hit the product with handheld tools to complete the bushing pressing. This solution has high labor intensity, and the operation force and angle are not fixed, which can easily lead to unstable bushing assembly. In addition, the bushing thickness after molding is inconsistent, requiring multiple adjustments, wasting manpower and material resources. Utility Model Content

[0004] The technical problem to be solved by the utility model is: to provide a bushing pressing device with stable thickness, which has a compact structure and is easy to use, can quickly locate the processing area, and accurately limit the end position of the pressing to ensure that the bushing pressing thickness is stable and consistent, thereby greatly improving the bushing pressing production efficiency.

[0005] The technical solutions adopted by the present invention to solve the above technical problems are:

[0006] A bushing device with a stable thickness comprises a lower template 1 and an upper template 5. The lower template 1 is fixedly mounted on an equipment platform, and a support block 2 is mounted at the center of the upper end surface of the lower template 1. A through hole is longitudinally opened in the middle of the support block 2, and a positioning ejector rod 3 is slidably arranged in the through hole.

[0007] Two limiting guide rods 4 are symmetrically installed on the end surfaces of the lower template 1 on both sides of the support block 2. The limiting guide rod 4 consists of an upper cylindrical guide rod and a lower cylindrical limiting platform, and the height of the cylindrical limiting platform is adapted to the preset bushing press-fitting thickness;

[0008] The upper template 5 is slidably sleeved on the cylindrical guide rod, and a rivet head 6 is installed at the center of the lower end surface of the upper template 5. A stripping block 7 is slidably sleeved on the outer ring of the rivet head 6.

[0009] Furthermore, the outer diameter of the top end of the positioning ejector rod 3 and the outer diameter of the bottom end of the rivet head 6 are both adapted to the inner diameter of the bushing to be pressed in the hole of the product to be processed.

[0010] Furthermore, the product to be processed is placed on the top of the support block 2, the bottom of the positioning rod 3 is connected to the bottom wall of the through hole of the support block 2 through the lower connecting spring 8, and the top of the positioning rod 3 is inserted into the bushing to be pressed.

[0011] Furthermore, the top of the stripping block 7 is connected to the lower end surface of the upper template 5 through an upper connecting spring 9.

[0012] Furthermore, a guide through hole 14 is provided on the end surface of the upper template 5 at a position corresponding to the cylindrical guide rod, and the upper template 5 is slidably mounted on the cylindrical guide rod through the guide through hole 14 .

[0013] Furthermore, the inner diameter of the guide through hole 14 is equal to the outer diameter of the cylindrical guide rod, and the outer diameter of the cylindrical limiting platform is larger than the inner diameter of the guide through hole 14 .

[0014] Furthermore, the lower template 1 is a rectangular structure, and waist-round holes 10 are opened at the four corners of the rectangular structure. The lower template 1 is fixedly installed on the equipment platform through the waist-round holes 10 and corresponding screws.

[0015] Furthermore, a threaded hole 11 is provided at the center of the upper end surface of the lower template 1, and an external thread matching the threaded hole 11 is provided at the bottom of the support block 2. The support block 2 is fixedly mounted on the upper end surface of the lower template 1 through a threaded connection.

[0016] Furthermore, two bolt holes 12 are symmetrically provided on both sides of the center position of the upper end surface of the lower template 1 , and the bottom of the limiting guide rod 4 is fixedly mounted on the lower template 1 through the bolt holes 12 and the corresponding bolts.

[0017] Furthermore, a second threaded hole 12 is provided at the center of the lower end surface of the upper template 5, and an external thread matching the second threaded hole 12 is provided on the top of the rivet head 6. The rivet head 6 is fixedly installed on the lower end surface of the upper template 5 through a threaded connection.

[0018] Compared with the prior art, the present invention has the following main advantages:

[0019] 1. The utility model sets a limiting guide rod between the upper and lower templates of the bushing pressing device, which can realize the rapid docking of the upper and lower templates and accurately limit the press-fitting end height to ensure the stable and consistent bushing press-fitting thickness, saving the time of manual repeated trimming. At the same time, with the reasonable arrangement of the support block and the rivet head, the press-fitting position of the product bushing can be accurately located, thereby greatly improving the bushing press-fitting production efficiency and improving product quality.

[0020] 2. The utility model has a compact overall structure, quick and convenient operation, accurate product positioning during the bushing pressing process, a fixed pressure stroke, and by setting upper and lower connecting springs and stripping blocks, the product can be quickly demoulded, further improving product production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of the bushing device in the embodiment of the utility model;

[0022] Figure 2 It is a top view of the lower template and its connection structure in an embodiment of the present utility model.

[0023] In the figure: 1-lower template; 2-support block; 3-positioning push rod; 4-limiting guide rod; 5-upper template; 6-rivet head; 7-stripping block; 8-lower connecting spring; 9-upper connecting spring; 10-waist round hole; 11-threaded hole 1; 12-bolt hole; 13-threaded hole 2; 14-guide through hole. DETAILED DESCRIPTION

[0024] To make the objectives, technical solutions, and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Generally, the components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in the present application without creative work are within the scope of protection of the present application.

[0026] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0027] In the description of this application, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, or are the orientation or position relationship in which the product of the application is usually placed when in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as a limitation on this application.

[0028] The features and performance of the present application are further described in detail below with reference to the embodiments.

[0029] Embodiment 1: This embodiment provides a pressure bushing device with a stable thickness, such as Figures 1-2 As shown, it includes a lower template 1 and an upper template 5. The lower template 1 is fixedly installed on the equipment platform, and a support block 2 is installed at the center of the upper end surface of the lower template 1. A through hole is opened in the middle of the support block 2 along the longitudinal direction, and a positioning push rod 3 is slidably arranged in the through hole.

[0030] Two limiting guide rods 4 are symmetrically installed on the end surfaces of the lower template 1 on both sides of the support block 2. The limiting guide rod 4 consists of an upper cylindrical guide rod and a lower cylindrical limiting platform, and the height of the cylindrical limiting platform is adapted to the preset bushing press-fitting thickness;

[0031] The upper template 5 is slidably sleeved on the cylindrical guide rod, and a rivet head 6 is installed at the center of the lower end surface of the upper template 5. A stripping block 7 is slidably sleeved on the outer ring of the rivet head 6.

[0032] Furthermore, the outer diameter of the top end of the positioning ejector rod 3 and the outer diameter of the bottom end of the rivet head 6 are both adapted to the inner diameter of the bushing to be pressed in the hole of the product to be processed.

[0033] Furthermore, the product to be processed is placed on the top of the support block 2, the bottom of the positioning rod 3 is connected to the bottom wall of the through hole of the support block 2 through the lower connecting spring 8, and the top of the positioning rod 3 is inserted into the bushing to be pressed.

[0034] Furthermore, the top of the stripping block 7 is connected to the lower end surface of the upper template 5 through an upper connecting spring 9.

[0035] Furthermore, a guide through hole 14 is provided on the end surface of the upper template 5 at a position corresponding to the cylindrical guide rod, and the upper template 5 is slidably mounted on the cylindrical guide rod through the guide through hole 14 .

[0036] Furthermore, the inner diameter of the guide through hole 14 is equal to the outer diameter of the cylindrical guide rod, and the outer diameter of the cylindrical limiting platform is larger than the inner diameter of the guide through hole 14 .

[0037] Furthermore, the lower template 1 is a rectangular structure, and waist-round holes 10 are opened at the four corners of the rectangular structure. The lower template 1 is fixedly installed on the equipment platform through the waist-round holes 10 and corresponding screws.

[0038] Furthermore, a threaded hole 11 is provided at the center of the upper end surface of the lower template 1, and an external thread matching the threaded hole 11 is provided at the bottom of the support block 2. The support block 2 is fixedly mounted on the upper end surface of the lower template 1 through a threaded connection.

[0039] Furthermore, two bolt holes 12 are symmetrically provided on both sides of the center position of the upper end surface of the lower template 1 , and the bottom of the limiting guide rod 4 is fixedly mounted on the lower template 1 through the bolt holes 12 and the corresponding bolts.

[0040] Furthermore, a second threaded hole 12 is provided at the center of the lower end surface of the upper template 5, and an external thread matching the second threaded hole 12 is provided on the top of the rivet head 6. The rivet head 6 is fixedly installed on the lower end surface of the upper template 5 through a threaded connection.

[0041] Example 2: This example provides a bushing pressing device with a stable thickness, including a lower template 1, a support block 2, a positioning push rod 3, a limiting guide rod 4, an upper template 5, a rivet head 6, and a stripping block 7.

[0042] The lower template 1 is a rectangular structure with rounded corners and sharp edges. Four waist-shaped holes are evenly distributed at the four corners of the plane of the lower template 1, and a threaded hole 11 is opened in the middle, through which the support block 2 is connected;

[0043] Furthermore, the support block 2 is a stepped cylindrical shape with a through hole and a countersunk hole in the center, and a positioning push rod 3 is installed in the center. A spring 8 is connected below the positioning push rod 3 to float up and down;

[0044] Furthermore, the limit guide rods 4 are installed on both sides of the center line of the lower template 1 through the bolt holes 12. The limit guide rods 4 are provided with cylindrical guide rods above and cylindrical limit platforms below.

[0045] Furthermore, an upper template 5 is installed on the top of the device. The upper template 5 is also a rectangular structure, with a threaded hole 13 in the middle, and a rivet head 6 is connected through the threaded hole 13. The size of the rivet head 6 matches the inner hole diameter of the bushing, and a stripping block 7 is installed at the front end of the rivet head 6. A rectangular countersunk hole is provided on the lower surface of the stripping block 7, and a spring 9 is connected to the upper surface for pushing the product off.

[0046] The specific working principle is:

[0047] When the press-fitting process begins, the lower template 1 of the device is fixed on the equipment platform through the waist-round holes at the four corners, the product is placed flat on the top of the support block 2, and the positioning push rod 3 is inserted into the bushing in the hole in the product. This allows the installation position of the product and the bushing to be quickly located and prevented from shaking.

[0048] Then align the positioning holes of the upper template 5 with the cylindrical guide rods on the upper parts of the two limiting guide rods 4 and slide them in to achieve quick docking of the upper and lower templates;

[0049] Then the upper template 5 drives the rivet head 6 to move downward to the cylindrical limit platform at the lower part of the limit guide rod 4 and stops. At this time, the press fitting stroke is completed and the press fitting thickness of the bushing is guaranteed;

[0050] When the upper template 5 rises upward, the stripping block 7 pushes the product adhered to the end of the rivet head 6 downward under the action of the spring 2 9, and the press-fitting process is completed.

[0051] Furthermore, all parts of this application that are not described in detail are the same as the existing technology or are implemented using the existing technology.

[0052] In summary:

[0053] 1. The utility model sets a limiting guide rod between the upper and lower templates of the bushing pressing device, which can realize the rapid docking of the upper and lower templates and accurately limit the press-fitting end height to ensure the stable and consistent bushing press-fitting thickness, saving the time of manual repeated trimming. At the same time, with the reasonable arrangement of the support block and the rivet head, the press-fitting position of the product bushing can be accurately located, thereby greatly improving the bushing press-fitting production efficiency and improving product quality.

[0054] 2. The utility model has a compact overall structure, quick and convenient operation, accurate product positioning during the bushing pressing process, a fixed pressure stroke, and by setting upper and lower connecting springs and stripping blocks, the product can be quickly demoulded, further improving product production efficiency.

[0055] The above embodiments are intended only to illustrate the design concepts and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement them accordingly. The scope of protection of the present invention is not limited to the above embodiments. Therefore, any equivalent changes or modifications based on the principles and design concepts disclosed in the present invention are within the scope of protection of the present invention.

Claims

1. A press bushing device with a stable thickness, characterized in that: It comprises a lower template (1) and an upper template (5), wherein the lower template (1) is fixedly mounted on the equipment platform, and a support block (2) is mounted at the center of the upper end surface of the lower template (1), a through hole is longitudinally provided in the middle of the support block (2), and a positioning push rod (3) is slidably arranged in the through hole; Two limiting guide rods (4) are symmetrically mounted on the end surfaces of the lower template (1) on both sides of the support block (2), and the limiting guide rod (4) is composed of an upper cylindrical guide rod and a lower cylindrical limiting platform, and the height of the cylindrical limiting platform is adapted to the preset bushing press-fitting thickness; The upper template (5) is slidably sleeved on the cylindrical guide rod, and a rivet head (6) is installed at the center of the lower end surface of the upper template (5), and a stripping block (7) is slidably sleeved on the outer ring of the rivet head (6).

2. A press bushing device with a stable thickness according to claim 1, characterized in that: The outer diameter of the top end of the positioning mandrel (3) and the outer diameter of the bottom end of the rivet head (6) are both adapted to the inner diameter of the bushing to be pressed in the hole of the product to be processed.

3. A press bushing device with a stable thickness according to claim 2, characterized in that: The product to be processed is placed on the top of the support block (2), the bottom of the positioning push rod (3) is connected to the bottom wall of the through hole of the support block (2) through a lower connecting spring (8), and the top of the positioning push rod (3) penetrates into the bushing to be pressed.

4. A press bushing device with a stable thickness according to claim 1, characterized in that: The top of the stripping block (7) is connected to the lower end surface of the upper template (5) via an upper connecting spring (9).

5. A press bushing device with a stable thickness according to claim 1, characterized in that: A guide through hole (14) is provided on the end surface of the upper template (5) at a position corresponding to the cylindrical guide rod, and the upper template (5) is slidably sleeved on the cylindrical guide rod through the guide through hole (14).

6. A press bushing device with a stable thickness according to claim 5, characterized in that: The inner diameter of the guide through hole (14) is equal to the outer diameter of the cylindrical guide rod, and the outer diameter of the cylindrical limiting platform is larger than the inner diameter of the guide through hole (14).

7. A press bushing device with a stable thickness according to claim 1, characterized in that: The lower template (1) is a rectangular structure, and waist-round holes (10) are provided at the four corners of the rectangular structure. The lower template (1) is fixedly mounted on the equipment platform through the waist-round holes (10) in conjunction with corresponding screws.

8. A press bushing device with a stable thickness according to claim 1, characterized in that: A threaded hole (11) is provided at the center of the upper end surface of the lower template (1), and an external thread matching the threaded hole (11) is provided at the bottom of the support block (2). The support block (2) is fixedly mounted on the upper end surface of the lower template (1) through a threaded connection.

9. A press bushing device with a stable thickness according to claim 8, characterized in that: Two bolt holes (12) are symmetrically provided on both sides of the center position of the upper end surface of the lower template (1), and the bottom of the limiting guide rod (4) is fixedly mounted on the lower template (1) by matching with corresponding bolts through the bolt holes (12).

10. A press bushing device with a stable thickness according to claim 1, characterized in that: A second threaded hole (13) is provided at the center of the lower end surface of the upper template (5), and an external thread matching the second threaded hole (13) is provided on the top of the rivet head (6). The rivet head (6) is fixedly mounted on the lower end surface of the upper template (5) through a threaded connection.

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