Adjusting arm cover plate press-fitting device

Abstract

The utility model relates to an adjusting arm cover plate press-fitting device which comprises a pressing assembly and a positioning seat used for placing the head of an adjusting arm shell, the pressing assembly is arranged over the positioning seat in a lifting mode, a first positioning assembly used for positioning the head of the adjusting arm shell is arranged at the center of the positioning seat, and a second positioning assembly used for positioning the head of the adjusting arm shell is arranged at the center of the positioning seat. The positioning seat is detachably installed on the workbench, a first guide assembly is arranged between the pressing assembly and the fixing seat, and the pressing assembly is connected with the driving assembly so that the pressing assembly can move up and down along the first guide assembly; the first positioning assembly comprises a positioning groove, and the depth of the positioning groove is larger than the length of a cover plate installation sleeve of the adjusting arm. According to the technical scheme, the adjusting wall and the cover plate which are placed on the positioning seat can be automatically pressed together through the pressing assembly, the adjusting wall and the cover plate are positioned through the positioning assembly, a cover plate mounting sleeve cannot be damaged in the operation process, the cover plate mounting efficiency is improved, and meanwhile the product quality is guaranteed.

Description

Technical Field

[0001] The utility model relates to a press-fitting device for an adjusting arm cover plate, belonging to the technical field of brake clearance adjusting arm production. Background Art

[0002] Brake clearance adjustment arm is a safety device that connects the brake mechanism, such as Figure 1 As shown, the adjusting arm mainly includes a housing, the housing head 1 has a worm gear chamber 3 and a worm shaft chamber 4, and its handle 2 is connected to the brake mechanism of the vehicle. The worm gear and the worm shaft are respectively installed in the worm gear chamber 3 and the worm shaft 2. After assembly, the worm gear, the gear ring, the bushing and other components are crimped and fixed by the gland 5, and then the cover plate 8 needs to be pressed on the mounting sleeve 6 that bulges upward at the center of the gland to close the worm gear chamber 3. The mounting sleeve 6 is cylindrical. In order to improve the sealing performance between the cover plate 8 and the mounting sleeve 6, the mounting sleeve 6 is usually designed to be stepped, and the end face of the cover plate 8 is crimped on the step surface 7.

[0003] When installing the cover plate, the adjustment arm is usually placed on the workbench, one hand holds the handle, and the other hand uses a hammer with a rubber plate or a rubber hammer to hit the cover plate. When hitting, it is easy to flatten the installation sleeve at the bottom and need to be repaired, which affects the processing efficiency or even cannot be repaired and leads to scrapping. In addition, this installation method is prone to the problem of the cover plate being installed off-center, resulting in the end face of the cover plate fitting against the step surface, resulting in rework, which affects production efficiency and cannot guarantee product quality. Utility Model Content

[0004] The purpose of the utility model is to overcome the defects and shortcomings of the above-mentioned background technology and provide an easy-to-use adjustment arm cover plate pressing device.

[0005] In order to achieve the above-mentioned purpose, the utility model provides an adjustment arm cover plate pressing device, including a clamping assembly and a positioning seat for placing the head of the adjustment arm shell, the clamping assembly can be lifted and lowered and is arranged directly above the positioning seat, a first positioning assembly for positioning the head of the adjustment arm shell is provided at the center of the positioning seat, the positioning seat is detachably mounted on a workbench, a first guide assembly is provided between the clamping assembly and the fixed seat, the clamping assembly is connected to the driving assembly so that the clamping assembly moves up and down along the first guide assembly; the first positioning assembly includes a positioning groove, the depth of the positioning groove is greater than the length of the cover plate mounting sleeve of the adjustment arm. This technical solution utilizes the clamping assembly to automatically press the adjustment wall and the cover plate placed on the positioning seat together, and the cover plate mounting sleeve will not be damaged during operation, which improves the cover plate installation efficiency while ensuring product quality.

[0006] Furthermore, the first positioning assembly includes a positioning bushing installed in the positioning groove, and an outward flange is provided around the upper end opening of the positioning bushing, and the positioning bushing is installed in the positioning groove through the flange and the countersunk screw. This technical solution provides a positioning groove on the positioning plate of the positioning seat, and installs the positioning bushing in the positioning groove. The positioning bushing can be replaced according to the size of the adjustment arm of different models, so that different models of adjustment wall cover plates can be pressed by using a set of the adjustment arm cover plate pressing device of the utility model, which has good versatility, low use cost and strong practicality.

[0007] Furthermore, the upper surface of the flange is lower than the notch of the positioning groove, and the stepped cavity formed by the positioning groove and the inner cavity of the positioning bushing, which is larger at the top and smaller at the bottom, is compatible with the mounting sleeve of the adjustment arm cover.

[0008] Furthermore, a protective cover with a lower hardness than the adjustment arm cover is provided on the lower part of the clamping assembly, the clamping assembly comprises a clamping block and a mounting plate, the clamping block is fixed on the mounting plate, the mounting plate is connected to the driving assembly; the cover is pressed by the up and down movement of the clamping block. The positioning seat comprises a positioning plate and a pad and a bottom plate arranged below the positioning plate in sequence, the bottom plate is fixed on the workbench by bolts and gaskets.

[0009] Furthermore, the first guide assembly includes a guide sleeve fixed on the mounting plate and a guide rod adapted to the guide sleeve, the bottom end of the guide rod is fixedly connected to the backing plate, and the top end thereof passes through the guide sleeve and is fixedly connected to a limit plate located on the upper surface of the mounting plate. The stability of the pressing block when descending is improved by providing the guide assembly.

[0010] Furthermore, the driving assembly includes a hydraulic cylinder, a connecting frame and a connecting plate, wherein the hydraulic cylinder is mounted on the frame, one end of the piston rod of the hydraulic cylinder is connected to the connecting plate, the connecting frame is sleeved on the outside of the piston rod, and the four corners of the connecting frame are provided with a second guide assembly, and the connecting plate is fixedly connected to the mounting plate via a connecting shaft. The second guide assembly is provided to improve the stability of the connecting frame during the descent process.

[0011] Furthermore, the second guide assembly includes a guide sleeve fixed on the mounting frame and a guide column adapted to the guide sleeve, and the bottom end of the guide column is fixed on the workbench.

[0012] The adjustment arm cover plate press-fitting device described in the above technical solution also includes a second positioning component installed on the bottom plate, and the second positioning component is located on one side of the positioning plate to position the handle of the adjustment arm. This technical solution performs double positioning on the adjustment arm, improves the stability of the adjustment wall placed on the positioning seat, prevents the adjustment arm from tilting during the press-fitting of the cover plate, and improves its safety in use.

[0013] Furthermore, the second positioning assembly comprises a positioning shaft and a support block, the positioning shaft is mounted on the support block, and the support block is mounted in a screw hole on the bottom plate via a stud fixed at the bottom thereof. Compared with the prior art, the utility model has the following technical effects:

[0014] 1. The utility model can automatically press the adjustment wall and the cover plate placed on the positioning seat together by using the pressing assembly, and the first positioning assembly arranged on the positioning seat is used for positioning. It is easy to use, and the overall structural design is reasonable and simple, easy to manufacture, and easy to operate. The cover plate installation sleeve will not be damaged during the operation, which improves the cover plate installation efficiency while ensuring product quality.

[0015] 2. The utility model starts a positioning groove on the positioning plate of the positioning seat, installs a positioning bushing in the positioning groove, and can replace the positioning bushing according to the size of different types of adjustment arms, so that a set of adjustment arm cover plate pressing device of the utility model can be used to press different types of adjustment wall cover plates, which has good versatility, low use cost and strong practicality;

[0016] 3. The utility model also has a second positioning assembly on one side of the first positioning assembly, which performs double positioning on the adjustment arm during use, improves the stability of the adjustment wall placed on the positioning seat, prevents the adjustment arm from tilting during the process of pressing the cover plate, and improves its safety in use. The second positioning assembly is composed of a support platform and positioning shafts and studs respectively installed at both ends of the support, with a simple structure and easy to manufacture. When in use, the support platform and the positioning shaft thereon are installed in the corresponding screw holes through the studs as needed, and the positioning shaft is inserted into the mounting hole of the handle of the adjustment arm housing, which is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings, which constitute a part of this specification and are used to further understand the present utility model, illustrate preferred embodiments of the present utility model and are used together with the specification to illustrate the principle of the present utility model. In the drawings:

[0018] Figure 1 It is a schematic three-dimensional structural diagram of the adjustment arm;

[0019] Figure 2 This is a schematic three-dimensional structure of the utility model adjustment arm cover plate press-fitting device Figure 1 ;

[0020] Figure 3 It is a schematic front view structural diagram of the adjusting arm cover plate press-fitting device of the utility model;

[0021] Figure 4 This is a schematic three-dimensional structure of the utility model adjustment arm cover plate press-fitting device Figure 2 .

[0022] Numbers in the figure: Figure 1 In the figure, 1 is the head of the adjusting wall housing, 2 is the handle of the adjusting arm housing, 3 is the worm gear chamber, 4 is the worm gear chamber, 5 is the pressure cover, 6 is the cover plate mounting sleeve, 7 is the stepped surface, 8 is the cover plate, and 9 is the connecting hole;

[0023] Figures 2 to 4 In the figure, 100 is a clamping assembly, 110 is a pressing block, and 120 is a mounting plate;

[0024] 200 is a positioning seat, 210 is a positioning plate, 220 is a pad, and 230 is a bottom plate;

[0025] 300 is a first positioning component, 310 is a positioning groove, and 320 is a flange;

[0026] 400 for the workbench;

[0027] 500 is a first guide assembly, 510 is a guide sleeve, 520 is a guide rod; 530 is a limit plate;

[0028] 600 is a driving component;

[0029] 700, linear slide;

[0030] 800, second guide assembly, 810, guide column, 820, guide sleeve;

[0031] 900, first guide assembly, 910, positioning shaft, 920, support platform, 930, stud;

[0032] A is the rack and B is the screw hole. DETAILED DESCRIPTION

[0033] The following is a detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. However, the present invention can be implemented in many different ways as defined and covered by the claims.

[0034] Please refer to the attached Figures 2 to 4 The preferred embodiment of the utility model is described in detail:

[0035] Example 1: See Figure 2, a device for pressing an adjusting arm cover plate, comprising a pressing assembly 100 and a positioning seat 200 for placing the head of an adjusting arm shell, the pressing assembly 100 can be raised and lowered and arranged directly above the positioning seat 200, a first positioning assembly 300 for positioning the head of the adjusting arm shell is provided at the center of the positioning seat 200, the positioning seat 200 is detachably mounted on a workbench 400, a first guide assembly 500 is provided between the pressing assembly 100 and the fixing seat 200, the pressing assembly 100 is connected to a driving assembly 600 so that the pressing assembly 100 moves up and down along the first guide assembly 500; the first positioning assembly 300 comprises a positioning groove 310, the depth of the positioning groove 310 is greater than the length of the cover plate mounting sleeve 6 of the adjusting arm, so as to prevent the cover plate mounting sleeve 6 from being damaged during the process of pressing the cover plate 8.

[0036] like Figure 2 and Figure 3 As shown, in this embodiment, the pressing assembly 100 includes a pressing block 110 and a mounting plate 120, the pressing block 110 is fixed on the mounting plate 120, and the mounting plate 120 is connected to the driving assembly 600. The positioning seat 200 includes a positioning plate 210 and a pad 220 and a bottom plate 230 sequentially arranged below the positioning plate 210, the positioning plate 210 is mounted on the pad 220 by fixing screws, the pad 220 is mounted on the bottom plate 230 by fixing screws, and the bottom plate 230 is fixed to the workbench 400 by bolts and washers. During implementation, after the positioning plate 210, the pad 220 and the base plate 230 are fixed together by fixing bolts, the fixed positioning seat 200 is installed on the workbench 400. In order to facilitate the accurate installation of the fixing seat 200 on the workbench 400, two parallel linear slide grooves 700 are provided on the workbench 400, and a slider compatible with the linear slide groove is provided on the bottom surface of the base plate 230. During installation, the slider is first inserted into the linear slide groove 700, and then the base plate 230 is fixed to the workbench 400 by fixing bolts.

[0037] The first positioning assembly 300 of this embodiment includes a positioning bushing installed in the positioning groove 310. The positioning bushing is a cylindrical shape with open ends. An outward flange 320 is provided around the upper opening of the positioning bushing. The positioning bushing is installed in the positioning groove 310 through the flange 320 and the countersunk screw. The positioning bushing is detachably connected to the mounting plate 120 through the countersunk screw shell. The positioning bushing can be replaced according to the model of the adjustment arm, so that the utility model is applicable to the press-fitting of various models of adjustment arm cover plates, improving its versatility and practicality.

[0038] The upper surface of the flange 320 is lower than the notch of the positioning groove 310, and the stepped cavity formed by the positioning groove 310 and the inner cavity of the positioning bushing, which is larger at the top and smaller at the bottom, is adapted to the cover plate mounting sleeve. When in use, the shell head of the adjusting arm is placed on the fixed plate 210, and the pressure when pressing the adjusting arm cover plate is borne by the end face of the shell head. At this time, the cover plate mounting sleeve is located in the cavity formed by the positioning bushing and the positioning groove 310 to prevent damage to the cover plate mounting sleeve during the pressing process. Preferably, the inner cavity of the positioning bushing is conical to play a self-centering role. When in use, after the shell head of the adjusting arm is placed on the fixed plate 210, the operator holds the handle of the adjusting wall with one hand, and covers the cover plate of the adjusting arm on the cover plate mounting sleeve with the other hand, and then starts the hydraulic cylinder to make the pressing block 110 descend to press the cover plate, thereby pressing the cover plate, which is convenient to use. In order to prevent the pressing block 110 from damaging the cover plate when the cover plate is pressed, in this embodiment, a rubber sleeve is mounted on the pressing block 110, and a protective plate is provided on the contact surface between the pressing block 110 and the cover plate. The protective plate is made of a working plastic plate or a rubber plate.

[0039] In this embodiment, the first guide assembly 500 includes a guide sleeve 510 fixed on the mounting plate 120 and a guide rod 520 adapted to the guide sleeve 510, the bottom end of the guide rod 520 is fixedly connected to the pad 220, and the top end thereof passes through the guide sleeve 510 and is fixedly connected to a limit plate 530 located on the upper surface of the mounting plate 120.

[0040] In this embodiment, see Figure 2 and Figure 3 The driving assembly 600 includes a hydraulic cylinder, a connecting frame 620 and a connecting plate 630. One end of the piston rod 610 of the hydraulic cylinder is connected to the connecting plate 630. The connecting frame 620 is sleeved on the outside of the piston 610. The four corners of the connecting frame 620 are all provided with a second guide assembly 800. The connecting plate 630 is fixedly connected to the mounting plate 120 through a connecting shaft 640. Figure 4 As shown, the driving assembly 600 of this embodiment adopts the pressure head of a hydraulic press. Specifically, the hydraulic cylinder is installed on the frame A of the hydraulic press, and the workbench 400 is set on the frame A of the hydraulic press.

[0041] The second guide assembly 800 includes a guide sleeve 820 fixed on the mounting frame 620 and a guide column 810 adapted to the guide sleeve 820 . The bottom end of the guide column 810 is fixed on the workbench 400 , and the top end of the guide column 810 is fixed on the frame A.

[0042] The adjustment arm cover plate pressing device of the present embodiment is mainly used for pressing the cover plate of the manual adjustment arm. The device utilizes the clamping assembly 100 to automatically press the adjustment wall and the cover plate placed on the positioning seat 200 together. The overall structural design is reasonable and simple, easy to manufacture and easy to operate. The cover plate installation sleeve will not be damaged during operation, which improves the cover plate installation efficiency while ensuring product quality.

[0043] Embodiment 2: Based on Embodiment 1, this embodiment adds a second positioning component for positioning the handle of the adjustment arm to prevent the adjustment arm from falling off the positioning seat during operation, thereby improving the safety of the adjustment arm cover plate press-fitting device of the utility model. Figure 4 As shown, the adjustment arm cover plate press-fitting device of this embodiment also includes a second positioning assembly 900 installed on the bottom plate 230. The second positioning assembly 900 is located on one side of the positioning and pressing 210 to position the handle of the adjustment arm. The second positioning assembly 900 includes a positioning shaft 910 and a support block 920. The positioning shaft 910 is installed on the support block 920. The support block 920 is installed in a screw hole B opened on the bottom plate 230 through a stud 930 fixed at its bottom. The height of the top surface of the support block 920 from the bottom plate 230 is adjusted by the depth of the stud 930 selected into the screw hole B. There are multiple screw holes B on the bottom plate, which are connected to different screw holes through the support block 920 to meet the use of different types of adjustment arms, so that a set of the device can meet the use of different types of adjustment arms, saving processing costs.

[0044] The adjustment arm cover plate press-fitting device of this embodiment is used to place the head of the adjustment arm housing on the positioning seat 200 and use the first positioning assembly 300 for positioning, and the connection hole of the handle is sleeved on the positioning shaft 910. Through the positioning seat 100 and the positioning shaft, the stability of the adjustment arm can be ensured, and it will not tilt during the cover plate press-fitting process, thereby improving the safety of the device. The structure is simple, and when in use, it is only necessary to install the support block 920 in the screw hole B opened on the bottom plate 230 using the stud 930, which is convenient to use.

[0045] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A pressing device for an adjustment arm cover, comprising a pressing assembly and a positioning seat for placing the head of an adjustment arm housing, wherein the pressing assembly is arranged to be liftable directly above the positioning seat, and is characterized in that: A first positioning assembly for positioning the head of the adjusting arm housing is provided at the center of the positioning seat, and the positioning seat is detachably mounted on the workbench. A first guiding assembly is provided between the clamping assembly and the fixed seat, and the clamping assembly is connected to the driving assembly so that the clamping assembly moves up and down along the first guiding assembly; the first positioning assembly includes a positioning groove, and the depth of the positioning groove is greater than the length of the cover mounting sleeve of the adjusting arm.

2. The adjusting arm cover plate press-fitting device according to claim 1, characterized in that: The first positioning assembly comprises a positioning sleeve installed in the positioning groove, an outward flange is arranged around the upper end opening of the positioning sleeve, and the positioning sleeve is installed in the positioning groove through the flange and the countersunk screw.

3. The adjusting arm cover plate press-fitting device according to claim 2, characterized in that: The upper surface of the flange is lower than the notch of the positioning groove, and the stepped cavity formed by the positioning groove and the inner cavity of the positioning bushing, which is larger at the top and smaller at the bottom, is compatible with the mounting sleeve of the adjustment arm cover.

4. The adjusting arm cover plate press-fitting device according to claim 1, characterized in that: A protective sleeve with a lower hardness than the adjustment arm cover is arranged on the lower part of the clamping assembly, the clamping assembly comprises a clamping block and a mounting plate, the clamping block is fixed on the mounting plate, and the mounting plate is connected to the driving assembly; The positioning seat comprises a positioning plate, a pad and a bottom plate which are sequentially arranged below the positioning plate, and the bottom plate is fixed on the workbench by bolts and gaskets.

5. The adjusting arm cover plate press-fitting device according to claim 4, characterized in that: The first guide assembly includes a guide sleeve fixed on the mounting plate and a guide rod matched with the guide sleeve, the bottom end of the guide rod is fixedly connected to the pad, and the top end thereof passes through the guide sleeve and is fixedly connected to a limit plate located on the upper surface of the mounting plate.

6. The adjusting arm cover plate press-fitting device according to claim 4, characterized in that: The driving assembly includes a hydraulic cylinder, a connecting frame and a connecting plate. The hydraulic cylinder is installed on the frame, one end of its piston rod is connected to the connecting plate, the connecting frame is sleeved on the outside of the piston rod, and the four corners of the connecting frame are provided with a second guide assembly. The connecting plate is fixedly connected to the mounting plate through a connecting shaft.

7. The adjusting arm cover plate press-fitting device according to claim 6, characterized in that: The second guide assembly comprises a guide sleeve fixed on the mounting frame and a guide column matched with the guide sleeve, and the bottom end of the guide column is fixed on the workbench.

8. The adjusting arm cover plate press-fitting device according to any one of claims 1 to 7, characterized in that: It also includes a second positioning component installed on the bottom plate, wherein the second positioning component is located on one side of the positioning plate to position the handle of the adjustment arm.

9. The adjusting arm cover plate press-fitting device according to claim 8, characterized in that: The second positioning assembly comprises a positioning shaft and a support block, wherein the positioning shaft is mounted on the support block, and the support block is mounted in a screw hole formed on the bottom plate via a stud fixed at the bottom thereof.

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