A brake drum finishing device and method

Abstract

The application discloses a kind of brake drum finishing device and method, belong to brake drum processing technical field;Processing device includes numerical control lathe, machining center, brake balancing machine, pneumatic polisher, laser marking machine, cleaning machine, and paint spraying device, and the hoisting mechanism of brake drum transfer, hoisting mechanism includes fixed disc, first connecting arm, second connecting arm and briquetting, the top of fixed disc is used to be connected with lifting appliance, first connecting arm is slidably installed on fixed disc, second connecting arm is installed on fixed disc, and it is located opposite side of first connecting arm, the briquetting is slidably installed at the end of second connecting arm;First vertical portion and horizontal portion perpendicular to first vertical portion are provided on briquetting, second vertical portion is provided on second connecting arm, and first vertical portion and second vertical portion are parallel to each other.The present application can effectively solve the technical problems that brake drum is prone to tilt during transfer in the prior art, and is prone to collision during placement.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of brake drum processing, in particular to a brake drum finishing device and method. BACKGROUND

[0002] The brake drum is a friction pair of a drum brake, and is generally made of brittle gray cast iron material, and the common material type is HT200-300. The brake drum is similar to the shape of a bell or hand drum iron casting, and is a key cast iron part. The main function of the brake drum is to inhibit the rotation of the tire by friction during the braking process, thereby achieving the purpose of braking.

[0003] In the prior art, when the cast brake drum needs to be processed, multiple devices are required to process multiple processes. Since the brake drum is heavy, a lifting mechanism is required to realize the transfer of the brake drum. During the transfer process, the brake drum needs to be placed stably, but in the actual transfer process, the brake drum is prone to tilting and bumping during placement. SUMMARY

[0004] The purpose of the present application is to provide a brake drum finishing device and method which can effectively solve the technical problem of the prior art that the brake drum is prone to tilting during transfer and is prone to collision during placement.

[0005] To solve the above technical problems, the technical solution adopted by the present application is:

[0006] A brake drum finishing device, comprising a numerical control lathe, a machining center, a brake balancing machine, a pneumatic sander, a laser code marking machine, a cleaning machine, a paint spraying device, and a lifting mechanism for transferring the brake drum;

[0007] The lifting mechanism comprises:

[0008] A fixed disc, the top of the fixed disc being used for connecting with a lifting appliance;

[0009] A first connecting arm, the first connecting arm being slidingly installed on the fixed disc;

[0010] A second connecting arm, the second connecting arm being installed on the fixed disc and located on the opposite side of the first connecting arm;

[0011] A pressing block, the pressing block being slidingly installed on the end of the second connecting arm;

[0012] The pressing block is provided with a first vertical portion and a horizontal portion perpendicular to the first vertical portion, the second connecting arm is provided with a second vertical portion, and the first vertical portion and the second vertical portion are parallel to each other; the first vertical portion, the second vertical portion and the horizontal portion form a limiting area;

[0013] The adjusting bolt is arranged on the pressing block and is used to connect with the second connecting arm, a reset spring is arranged between the pressing block and the second connecting arm, the second connecting arm is connected with the adjusting bolt through threads, and the adjusting bolt is used to drive the pressing block to move towards the second connecting arm;

[0014] The distance between the end surface of the first vertical part and the second vertical part is adjusted according to the wall thickness of the brake drum to be hoisted, so that the first connecting arm and the second connecting arm are both in a horizontal state when the lifting appliance is used to hoist the fixing disc; in use, the edge of the brake drum is extended into the limiting area, and then the adjusting bolt is adjusted so that the pressing block is close to the second connecting arm, so that the end surface of the horizontal part and the second vertical part are in contact to fix the brake drum.

[0015] The second vertical part is provided with a guide hole, and the pressing block is provided with a guide column, and the guide column passes through the guide hole.

[0016] Further, the first vertical part and the pressing block are connected to form a stepped surface, the stepped surface is flush with the bottom surface of the guide block, and the lower surface of the first connecting part is flush with the bottom surface of the guide block.

[0017] Preferably, the second connecting arm is provided with a first guide hole at the end, the pressing block is provided with a first guide column in sliding cooperation with the first guide hole, a threaded hole is arranged in the first guide hole, the reset spring is sleeved on the first guide column, and the adjusting bolt is in cooperation with the threaded hole after passing through the guide block and the first guide column.

[0018] Further, the adjusting bolt is rotatably provided with a baffle, and the baffle is in contact with the pressing block.

[0019] The end of the adjusting bolt is provided with an adjusting hand wheel.

[0020] Further, the fixing disc is provided with a driving unit, and the driving unit is used to drive the first connecting arm to move.

[0021] A brake drum fine machining method, specifically comprising the following steps:

[0022] Step 1: using a hoisting mechanism to hoist the brake drum to the machining equipment, clamping the brake drum, and roughly turning the large end outer circle of the riser and the small end stop port flash;

[0023] Step 2: roughly and finely turning the large end step surface, end surface and outer circle, roughly turning the brake surface and small end stop port, and roughly and finely turning the small end inner and outer end surfaces;

[0024] Step 3: finely turning the large end surface, brake surface and R angle at the root of the brake surface, small end step surface and stop port, and chamfering;

[0025] Step 4: drilling bolt holes, threaded holes, positioning holes and trumpet ports and chamfering;

[0026] Step 5: detecting dynamic balance, and milling and removing weight for those not meeting the requirements;

[0027] Step 6: polishing, marking, cleaning, painting, quality inspection;

[0028] The hoisting tool is a hoisting mechanism in the brake drum finishing device according to any one of claims 1-7.

[0029] Compared with the prior art, the present application has the following beneficial effects:

[0030] The present application is mainly used for realizing the processing of the brake drum, and in the present application, the hoisting mechanism is used to realize the stable and accurate transportation of the brake drum, so that the brake drum can be kept in a horizontal state during the hoisting and transportation process; the distance between the second vertical part and the end face of the first vertical part is adjusted according to the wall thickness of the brake drum to be hoisted, so as to adjust the position of the first connecting arm, so that when the lifting appliance is used to hoist the fixed disc, the first connecting arm and the second connecting arm are both kept in a horizontal state; during use, the edge of the brake drum is extended into the limiting area, and then the adjusting bolt is adjusted so that the pressing block is close to the second connecting arm, so that the end face of the horizontal part and the second vertical part are in contact to realize the fixation of the brake drum; in the present application, the distance between the second vertical part and the end face of the horizontal part is adjusted as a reference to adjust the position of the first connecting arm, so that the hoisting mechanism is kept in a balanced state in a normal state, and the brake drum can be kept in a horizontal state after being clamped. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor.

[0032] Figure 1 It is a schematic view of the overall structure of the hoisting mechanism of the present application.

[0033] Figure 2 It is a front view of the present application. Figure 1

[0034] Figure 3 It is a schematic view of the use state of the present application.

[0035] Figure 4 It is a schematic view of the use state of the present application. Figure 1

[0036] Figure 5 It is a schematic view of the use state of the present application. Figure 3 Reference signs:

[0037]

[0038] ​​​101 hoisting mechanism, 102 fixing disc, 103 first connecting arm, 104 second connecting arm, 105 pressing block, 106 first vertical part, 107 horizontal part, 108 second vertical part, 109 limiting area, 110 adjusting bolt, 111 return spring, 112 guide hole, 113 guide post, 114 stepped surface, 115 first guide hole, 116 first guide post, 117 threaded hole, 118 blocking piece, 119 adjusting hand wheel, 120 driving unit, 121 outer cover, 122 worm wheel, 123 worm, 124 gear, 125 meshing teeth, 126 first sliding slot, 127 clamping bolt, 128 sliding slot, 129 brake drum. DETAILED DESCRIPTION

[0039] Hereinafter, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different manners without departing from the spirit or scope of the embodiments of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0040] In the description of the embodiments of the present application, it needs to be understood that the terms "length", "vertical", "horizontal", "top", "bottom" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the embodiments of the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0041] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly specified and limited.

[0042] In the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected, or it can be communicated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0043] In the embodiments of the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature is "on", "above" and "over" the second feature, which includes that the first feature is directly above and obliquely above the second feature, or only means that the first feature is higher in horizontal height than the second feature. The first feature is "under", "below" and "underneath" the second feature, which includes that the first feature is directly above and obliquely above the second feature, or only means that the first feature is lower in horizontal height than the second feature.

[0044] The following disclosure provides many different embodiments or examples for implementing different structures of the embodiments of the present application. In order to simplify the disclosure of the embodiments of the present application, the components and arrangements of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present application. In addition, the embodiments of the present application can repeatedly refer to numerals and / or reference letters in different examples, and such repetition is for the purpose of simplification and clarity, which does not indicate the relationship between the various embodiments and / or arrangements discussed.

[0045] The embodiments of the present application are described in detail below in conjunction with the accompanying drawings.

[0046] Referring to Figures 1-5 The embodiments disclose a brake drum finishing device, which comprises a numerical control lathe, a machining center, a brake balancing machine, a pneumatic polisher, a laser code marking machine, a cleaning machine, a paint spraying device, and a hoisting mechanism 101 for transferring a brake drum 129, the hoisting mechanism 101 comprising:

[0047] A fixed disc 102, the top of the fixed disc 102 is used for connecting with a lifting appliance;

[0048] A first connecting arm 103, the first connecting arm 103 is slidingly installed on the fixed disc 102;

[0049] A second connecting arm 104, the second connecting arm 104 is installed on the fixed disc 102 and located on the opposite side of the first connecting arm 103;

[0050] A pressing block 105, the pressing block 105 is slidingly installed on the end of the second connecting arm 104;

[0051] Wherein, the pressing block 105 is provided with a first vertical part 106 and a horizontal part 107 perpendicular to the first vertical part 106, the second connecting arm 104 is provided with a second vertical part 108, the first vertical part 106 and the second vertical part 108 are parallel to each other; the first vertical part 106, the second vertical part 108 and the horizontal part 107 form a limiting area 109;

[0052] The adjusting bolt 110 is arranged on the pressing block 105 and is used to connect with the second connecting arm 104, the reset spring 111 is arranged between the pressing block 105 and the second connecting arm 104, the second connecting arm 104 is connected with the adjusting bolt 110 through the thread, and the adjusting bolt 110 is used to drive the pressing block 105 to move towards the second connecting arm 104.

[0053] The present application is mainly used for realizing the processing of the brake drum 129, and the lifting mechanism 101 is used to realize the stable and accurate transportation of the brake drum 129, so that the brake drum 129 can be kept in the horizontal state during the lifting and transportation process; the distance between the end surface of the second vertical part 108 and the first vertical part 106 is adjusted according to the wall thickness of the brake drum 129 to be lifted, so that the position of the first connecting arm 103 is adjusted, so that the first connecting arm 103 and the second connecting arm 104 are kept in the horizontal state when the lifting lug is used to lift and fix the disc 102; during use, the edge of the brake drum 129 is extended into the limiting area 109, and then the adjusting bolt is adjusted so that the pressing block 105 is close to the second connecting arm 104, so that the end surface of the horizontal part 107 and the second vertical part 108 are in contact to realize the fixation of the brake drum 129; the distance between the end surface of the second vertical part 108 and the horizontal part 107 is adjusted as a reference to adjust the position of the first connecting arm 103, so that the lifting mechanism 101 is kept in the balanced state, and the brake drum 129 can be kept in the horizontal state after being clamped.

[0054] In the present application, the position of the pressing block 105 can be preliminarily confirmed according to the wall thickness of the brake drum 129, and then the first connecting arm 103 is moved to realize the purpose of leveling when the disc 102 is lifted; during use, the center of the disc 102 is kept in line with the center of the brake drum 129. In this way, the overall gravity center can be kept constant when the brake drum 129 is lifted, so that the brake drum 129 can be lifted in the ideal posture, and the local collision during the placement process after the brake drum 129 is lifted in the inclined state can be avoided.

[0055] More importantly, the pressing block 105 is used to press and mount the brake drum 129 on the second vertical part 108 during use, the brake drum 129 is fixed and clamped, so that the brake drum 129 is more stable during movement, and the gap between the brake drum 129 and the second vertical part 108 and the first vertical part 106 is avoided to cause the brake drum 129 to be inclined during the lifting process.

[0056] The guide hole 112 is arranged on the second vertical part 108, the guide column 113 is arranged on the pressing block 105, and the guide column 113 passes through the guide hole 112. The guide column 113 and the guide hole 112 can realize the guidance of the pressing block 105, so that the pressing block 105 is more stable during movement.

[0057] Further, the first vertical part 106 and the pressing block 105 are connected to form a stepped surface 114, the stepped surface 114 is flush with the bottom surface of the guide block, and the lower surface of the first connecting part is flush with the bottom surface of the guide block. The stepped surface 114 and the limiting of the first guide block can achieve the purpose of limiting, so that the end surface of the brake drum 129 is in contact with the guide block to achieve the purpose of positioning.

[0058] Further, the first connecting arm 104 is provided with a first guide hole 115 at the end, the pressing block 105 is provided with a first guide column 116 in sliding fit with the first guide hole 115, a threaded hole 117 is arranged in the first guide hole 115, the reset spring 111 is sleeved on the first guide column 116, and the adjusting bolt 110 is in fit with the threaded hole 117 after penetrating through the guide block and the first guide column 116.

[0059] In this way, the guide block can be guided to move smoothly.

[0060] The adjusting bolt 110 is provided with a baffle 118 rotatably installed, and the baffle 118 is in contact with the pressing block 105.

[0061] The adjusting bolt 110 is provided with an adjusting hand wheel 119 at the end.

[0062] Further, the fixed disc 102 is provided with a driving unit 120 for driving the first connecting arm 103 to move.

[0063] In the present application, the driving unit 120 comprises an outer cover 121, a worm wheel 122, a worm 123 and a gear 124, the outer cover 121 is fixedly installed on the fixed disc 102, the fixed disc 102 is provided with a sliding groove 128, and the first connecting arm 103 is slidably installed in the sliding groove 128.

[0064] The worm 123 is rotatably installed on the outer cover 121 and extends out of the outer cover 121 at one end, the worm wheel 122 and the gear 124 are coaxially arranged and rotatably installed on the outer cover 121 and the fixed disc 102, the first connecting arm 103 is provided with a plurality of meshing teeth 125, the meshing teeth 125 are in fit with the gear 124, the worm 123 is in fit with the worm wheel 122, the worm 123 is provided with a rotating wheel, and in use, the worm wheel 122 is driven to rotate by rotating the worm 123, so that the worm wheel 122 drives the gear 124 to rotate, thereby driving the first connecting arm 103 and realizing the fine adjustment of the position of the first connecting arm 103.

[0065] In some preferred embodiments, the first sliding groove 126 is arranged on the fixing disc 102, the first connecting arm 103 is slidingly installed in the first sliding groove 126, and the mounting disc is provided with a locking bolt 127 for fixing the first connecting arm 103, so that the position of the first connecting arm 103 can be adjusted to meet the transfer of brake drums 129 of different specifications.

[0066] The application further discloses a brake drum finishing method, which uses the brake drum finishing device to achieve the machining purpose; and specifically includes the following steps.

[0067] Step 1: using the hoisting mechanism 101 to hoist the brake drum 129 to the machining equipment, clamping the brake drum 129, and roughly turning the large-end outer circle of the riser and the small-end stopper flash;

[0068] Step 2: roughly and finely turning the large-end step surface, end surface and outer circle, roughly turning the brake surface and small-end stopper, and roughly and finely turning the small-end inner and outer end surfaces;

[0069] Step 3: finely turning the large-end surface, brake surface and brake surface root R angle, small-end step surface and stopper, and chamfering;

[0070] Step 4: drilling bolt holes, threaded holes 117, positioning holes, horn mouths and chamfering;

[0071] Step 5: detecting dynamic balance, and milling and removing weight from the brake drum 129 that does not meet the requirements;

[0072] Step 6: polishing, marking, cleaning, painting and quality inspection.

[0073] Although the preferred embodiments of the application have been described, those skilled in the art who understand the basic inventive concept can make further changes and modifications to the embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the application.

[0074] The above only describes the preferred embodiments of the application and is not intended to limit the application. It should be pointed out that any modification, equivalent replacement and improvement made within the spirit and principle of the application should be included in the protection scope of the application.

Claims

1. A brake drum finishing device, comprising a numerical control lathe, a machining center, a brake balancing machine, a pneumatic polisher, a laser code marking machine, a cleaning machine, a paint spraying device, and a hoisting mechanism for transferring the brake drum, characterized in that: The lifting mechanism comprises: A fixed disc, the top of which is used for connecting with a lifting appliance; A first connecting arm, which is slidingly installed on the fixed disc; A second connecting arm, which is installed on the fixed disc and located on the opposite side of the first connecting arm; A pressing block, which is slidingly installed on the end of the second connecting arm; Wherein, the pressing block is provided with a first vertical part and a horizontal part perpendicular to the first vertical part, the second connecting arm is provided with a second vertical part, and the first vertical part and the second vertical part are parallel to each other; the first vertical part, the second vertical part and the horizontal part form a limiting area; The pressing block is provided with an adjusting bolt used for connecting with the second connecting arm, a reset spring is arranged between the pressing block and the second connecting arm, the second connecting arm and the adjusting bolt are connected through threads, and the adjusting bolt is used for driving the pressing block to move towards the second connecting arm; The distance between the second vertical part and the end face of the first vertical part is adjusted according to the wall thickness of the brake drum to be lifted, so that the position of the first connecting arm is adjusted, and when the fixed disc is lifted by using the lifting appliance, the first connecting arm and the second connecting arm are both in a horizontal state; in use, the edge of the brake drum is extended into the limiting area, then the adjusting bolt is adjusted so that the pressing block is close to the second connecting arm, and the horizontal part end face and the second vertical part are in contact to realize the fixation of the brake drum; the second vertical part is provided with a guide hole, the pressing block is provided with a guide column, and the guide column passes through the guide hole; the first vertical part and the pressing block connection form a stepped surface, the stepped surface is flush with the bottom surface of the pressing block, and the lower surface of the first connecting arm is flush with the bottom surface of the pressing block; the end of the second connecting arm is provided with a first guide hole, the pressing block is provided with a first guide column in sliding cooperation with the first guide hole, a threaded hole is arranged in the first guide hole, the reset spring is sleeved on the first guide column, and the adjusting bolt is connected with the threaded hole after passing through the pressing block and the first guide column; The distance between the second vertical part and the horizontal part end face is adjusted as a reference to adjust the position of the first connecting arm according to the wall thickness of the brake drum, so that the lifting mechanism is in a balanced state in a normal state, and the brake drum can be kept in a horizontal state after being clamped.

2. A brake drum finishing device according to claim 1, wherein: The adjusting bolt is rotatably installed with a baffle, and the baffle is in contact with the pressing block.

3. A brake drum finishing device as defined in claim 1 wherein: The end of the adjusting bolt is provided with an adjusting hand wheel.

4. The brake drum finishing apparatus of claim 1 wherein: The fixed disc is provided with a driving unit used for driving the first connecting arm to move.

5. A method of finishing a brake drum comprising the use of the brake drum finishing apparatus of any one of claims 1-4, characterized in that, Specifically comprising the following steps: Step 1: using the lifting mechanism to lift the brake drum to the machining equipment, clamping the brake drum, and rough turning the large end outer circle riser and the small end stopper flash; Step 2: rough and fine turning the large end step surface, end surface and outer circle, rough turning the brake surface and small end stopper, and rough and fine turning the small end inner and outer end surfaces; Step 3: fine turning the large end surface, brake surface and brake surface root R angle, small end step surface and stopper, and chamfering; Step 4: drilling bolt holes, threaded holes, positioning holes, horn mouths and chamfering; Step 5: detecting dynamic balance, and milling and removing weight for those not meeting the requirements; Step 6: polishing, marking, cleaning, painting and quality inspection.

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