Low-abrasion tool clamp for automobile axle housing machining

Abstract

The utility model discloses a low-abrasion work fixture for machining an automobile axle housing, which comprises a main body mechanism and a clamping mechanism, and the clamping mechanism is used for clamping and fixing the automobile axle housing. The movable seats are fixed at the top ends of the adjacent sliding blocks; the movable rods are embedded in inner cavities of the movable seats and extend out of the movable seats; the clamping plates are fixed at the end parts of the movable seats; the threaded sleeves are fixed at the bottom ends of the movable seats, penetrate through the bottom plate and are arranged on driving parts in a sleeving manner; the air pipe is installed on one side of the movable seat and communicated with an inner cavity of the movable seat, the air pressure sensor is installed on one side of the movable seat and stretches into the inner cavity of the movable seat, a plurality of slotted holes are formed in one side of the movable seat in an array mode, and the movable rods are embedded in the slotted holes and stretch out of the slotted holes. The piston is movably arranged in an inner cavity of the groove hole, one end of the supporting rod is fixed to the piston, the other end of the supporting rod extends out of the groove hole, the piston is connected with the inner bottom wall of the groove hole through the spring, and the low-abrasion tool clamp for automobile axle housing machining can clamp automobile axle housings of different models.

Description

TECHNICAL FIELD

[0001] The utility model relates to automobile axle housing processing equipment technical field, specifically for a kind of low abrasion tooling fixture for automobile axle housing processing. BACKGROUND

[0002] Three-section automobile rear axle housing includes axle housing pipe, axle housing upper body, axle housing lower body, reinforcing ring, axle housing cover and other components, and its processing is divided into the following processes: straight seam welding after axle housing upper body and lower body assembly and point fixing, reinforcing ring and axle housing cover point fixing and welding, and welding after axle housing middle section subassembly and axle housing pipe assembly and point fixing, wherein, the assembly and point fixing of axle housing middle section subassembly and axle housing pipe are completed by means of welding fixture.

[0003] The existing tooling fixture for automobile axle housing processing mainly has the following disadvantages in use: different models of axle housing need corresponding welding fixture, and the tooling fixture needs to be replaced when switching products, which is troublesome, time-consuming and labor-intensive, thus, there is room for improvement. INVENTION CONTENTS

[0004] The utility model aims at solving one of the technical problems existing in prior art or related art.

[0005] Therefore, the utility model adopts the technical scheme: a low abrasion tooling fixture for automobile axle housing processing, comprising: main body mechanism and clamping mechanism, the main body mechanism comprises base, placing seat fixed in the middle of the top end of base, multiple guide rails fixed in the top end of base, sliding block embedded in the guide rail, and driving element symmetrically installed on both sides of base.

[0006] The clamping mechanism comprises movable seat fixed in the top end of adjacent sliding block, multiple movable rods embedded in the inner cavity of movable seat and protruding from movable seat, clamping plate fixed in the end of movable seat, threaded sleeve fixed in the bottom end of movable seat and sleeved on driving element, air pipe installed on one side of movable seat and communicated with the inner cavity of movable seat, and air pressure sensor installed on one side of movable seat and protruding into the inner cavity of movable seat.

[0007] Multiple slot holes are arranged on one side of movable seat, and cavity is arranged in the interior of movable seat, and the cavity is communicated with slot hole.

[0008] The clamping plate comprises rectangular plate fixed in the end of movable rod, protrusion fixed on one side of rectangular plate, and rubber pad layer embedded on the protrusion.

[0009] In a preferred example, the utility model can be further configured as: the movable rod comprises piston movably arranged in the inner cavity of slot hole, support rod fixed at one end of piston and protruding from slot hole, and spring connecting piston and inner bottom wall of slot hole.

[0010] The utility model discloses in a preferable example can be further configured as: the driving part includes the double -end screw rod of rotation installation on the opposite inner side of base and the motor of fixed in the one side of base and the axle is fixedly connected with double -end screw rod end portion.

[0011] The utility model discloses in a preferable example can be further configured as: the double -end screw rod passes through the thread cover, and the double -end screw rod is mutually engaged with the thread cover.

[0012] The utility model discloses in a preferable example can be further configured as: the trachea one end intercommunication air pump, the other end with movable seat inner cavity intercommunication, the barometer sensor is reached into the cavity.

[0013] Through adopting above-mentioned technical scheme, the utility model has obtained the beneficial effect that:

[0014] 1. In the utility model, a plurality of guide rails are arranged on the top end of the base, the guide rails are symmetrically arranged on the sliding blocks, the movable seats are fixed on the top end of the adjacent sliding blocks, a plurality of slot holes are arranged in an array on the movable seats, an active rod is arranged in each slot hole and extends out of the slot hole, the end of the active rod is fixed to the clamping plate, a driving part is installed on the bottom end of the base, a thread cover is arranged on the bottom end of the movable seat, through the above arrangement, when the automobile axle housing is fixed, the automobile axle housing is placed on the placing seat on the base, the driving part is started, the thread covers on both sides are moved towards each other, the clamping seats on both sides are moved towards each other, and the automobile axle housing is clamped, in the process of moving the clamping seats towards each other to clamp the automobile axle housing, the active rod can automatically adjust the position of the clamping plate according to the shape of the automobile axle housing, so that the automobile axle housing of different models can be clamped and fixed, and the application range of the automobile axle housing clamp is effectively increased.

[0015] 2. In the utility model, a cavity is arranged in the movable seat, the cavity is communicated with the slot hole, a gas pipe is installed on one side of the movable seat, and a barometer sensor is installed on the movable seat and extends into the cavity, through the above arrangement, when the movable seat moves towards each other and the clamping plate is attached to the automobile axle housing, high-pressure gas is sent into the cavity through the gas pipe, under the action of high-pressure air, the active rod can tightly attach the clamping plate to the surface of the automobile axle housing, and the stability of clamping is further improved, in addition, the clamping plate is composed of a rectangular plate, a protrusion and a rubber pad, through the above arrangement, the rubber pad forms a buffer between the rectangular plate and the surface of the automobile axle housing, and the surface of the automobile axle housing is prevented from being damaged by clamping. ACCURACY OF DRAWINGS

[0016] Figure 1 It is the structural schematic diagram of the utility model;

[0017] Figure 2 It is the bottom structure schematic diagram of the utility model;

[0018] Figure 3 It is the exploded structural schematic diagram of the utility model;

[0019] Figure 4 Structure schematic view of the clamping mechanism of the utility model

[0020] Figure 5 Structure schematic view of part of the clamping mechanism of the utility model.

[0021] Reference signs:

[0022] 100, main body mechanism; 110, base; 120, placing seat; 130, guide rail; 140, sliding block; 150, driving piece; 151, double-end screw; 152, motor;

[0023] 200, clamping mechanism; 210, movable seat; 211, slot hole; 212, cavity; 220, movable rod; 221, piston; 222, supporting rod; 223, spring; 230, clamping plate; 231, rectangular plate; 232, protrusion; 233, rubber cushion layer; 240, threaded sleeve; 250, air pipe; 260, air pressure sensor. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model more clear and apparent, the utility model is further described in detail below in combination with specific embodiments and with reference to the drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0025] Some embodiments of the utility model are described below in combination with the drawings,

[0026] Embodiment 1:

[0027] In combination with Figures 1-5 the drawings shown, the embodiment provides a low-abrasion tool clamp for automobile axle housing machining.

[0028] Among them, the main body mechanism 100 includes the base 110, the placing seat 120 fixed in the middle of the top end of the base 110, the guide rails 130 fixed on the top end of the base 110, the sliding blocks 140 slidingly fitted on the guide rails 130 and the driving pieces 150 symmetrically installed on both sides of the base 110.

[0029] The base 110 is used for installing other components, the placing seat 120 is used for placing the automobile axle housing and positioning the automobile axle housing, the guide rails 130 are used for setting the sliding blocks 140 and limiting the movement of the sliding blocks 140, and the sliding blocks 140 are used for installing the clamping mechanism 200 and ensuring the stability of the clamping mechanism 200 during movement.

[0030] The driving member 150 is used to drive the two-side clamping mechanism 200 to move towards each other, so as to clamp and fix the automobile axle housing, comprising a double-headed screw 151 rotatably installed on the opposite inner side of the base 110, and a motor 152 fixed on one side of the base 110 and having an axis fixedly connected with the end of the double-headed screw 151.

[0031] The clamping mechanism 200 is used to clamp and fix the automobile axle housing, comprising a movable seat 210 fixed on the top end of the adjacent sliding block 140, a plurality of movable rods 220 embedded in the inner cavity of the movable seat 210 and extending out of the movable seat 210, a clamping plate 230 fixed on the end of the movable seat 210, a threaded sleeve 240 fixed on the bottom end of the movable seat 210 and sleeved on the driving member 150, an air pipe 250 installed on one side of the movable seat 210 and communicating with the inner cavity of the movable seat 210, and an air pressure sensor 260 installed on one side of the movable seat 210 and extending into the inner cavity of the movable seat 210.

[0032] The movable seat 210 is provided with a plurality of slot holes 211 on one side in an array, the movable rod 220 is embedded in the slot hole 211 and extends out of the slot hole 211, the movable rod 220 comprises a piston 221 movably arranged in the inner cavity of the slot hole 211, a supporting rod 222 fixed on one end of the piston 221 and extending out of the slot hole 211, and a spring 223 connecting the piston 221 with the inner bottom wall of the slot hole 211, the piston 221 ensures the stability of the supporting rod 222 during extension and contraction, the supporting rod 222 is used to install the clamping plate 230 and facilitate the extension and contraction of the clamping plate 230, and the spring 223 ensures that the supporting rod 222 is always in the extended state, through the above arrangement, the clamping plate 230 is fixed on the end of the movable rod 220, so that the length of the clamping plate 230 can be freely adjusted to retract the movable rod 220 according to the surface shape of the automobile axle housing, thereby ensuring that the clamping plate 230 at each position can be attached to the surface of the automobile axle housing, and facilitating the fixation of automobile axle housings of different models.

[0033] The clamping plate 230 is used to attach to the surface of the automobile axle housing, comprising a rectangular plate 231 fixed on the end of the movable rod 220, a protrusion 232 fixed on one side of the rectangular plate 231, and a rubber pad layer 233 embedded on the protrusion 232, a recess is formed on one side of the rubber pad layer 233, and the protrusion 232 is embedded in the recess, facilitating the installation and removal of the rubber pad layer 233, that is, facilitating the replacement of the rubber pad layer 233, through the above arrangement, a buffer can be formed between the rectangular plate 231 and the surface of the automobile axle housing, so as to avoid causing indentation damage to the surface of the automobile axle housing during clamping.

[0034] In addition, the cavity 212 is arranged in the interior of the movable seat 210, the cavity 212 is communicated with the slot hole 211, meanwhile, the air pipe 250 is communicated with the air pump at one end and communicated with the cavity 212 in the interior of the movable seat 210 at the other end, the high pressure gas is conveniently introduced into the cavity 212, the cavity 212 and the slot hole 211 are kept in high pressure state, under the high pressure environment, the piston 221 can transmit the pressure to the clamping plate 230 through the supporting rod 222, the clamping plate 230 can be tightly adhered to the surface of the automobile axle housing, the stability of clamping is increased, the air pressure sensor 260 is inserted into the cavity 212, the air pressure in the cavity 212 is monitored in real time.

[0035] The double-headed screw rod 151 is passed through the threaded sleeve 240 and is engaged with the threaded sleeve 240, the threads on the double-headed screw rod 151 are symmetrically arranged, when the motor 152 is started, the double-headed screw rod 151 is driven to rotate, the double-headed screw rod 151 drives the two threaded sleeves 240 to move towards each other, that is, the movable seat 210 is driven to move towards each other, the automobile axle housing is clamped and fixed.

[0036] The working principle and use process of the utility model are as follows: when used, the middle part of the automobile axle housing is placed on the placing seat 120, the motor 152 is started, the motor 152 drives the double-headed screw rod 151 to rotate, the double-headed screw rod 151 drives the two threaded sleeves 240 to move towards each other, that is, the movable seat 210 is driven to move towards each other, the two movable seats 210 move towards each other to clamp the automobile axle housing, in the clamping process, the movable rod 220 can automatically adjust the position of the clamping plate 230 according to the shape of the automobile axle housing, it is guaranteed that each clamping plate 230 is tightly adhered to the surface of the automobile axle housing, after completion, the air pump sends the high pressure gas into the cavity 212 through the air pipe 250, the cavity 212 and the slot hole 211 are kept in high pressure state, under the high pressure, the movable rod 220 can drive the clamping plate 230 to be tightly adhered to the surface of the automobile axle housing, the clamping of the automobile axle housing is completed, in addition, in the clamping process, the rubber pad layer 233 can form a buffer between the rectangular plate 231 and the surface of the automobile axle housing, so that the surface of the automobile axle housing is prevented from being damaged by indentation when clamped.

[0037] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, the scope of the utility model is defined by the claims and its equivalents.

Claims

1. A low wear tooling fixture for automotive axle housing machining comprising: The main body mechanism (100) and the clamping mechanism (200) are characterized in that the main body mechanism (100) comprises a base (110), a placing seat (120) fixed at the middle of the top end of the base (110), a plurality of guide rails (130) fixed at the top end of the base (110), a sliding block (140) slidingly fitted on the guide rail (130), and a driving member (150) symmetrically installed on both sides of the base (110); The clamping mechanism (200) comprises a movable seat (210) fixed at the top end of the adjacent sliding block (140), a plurality of movable rods (220) fitted in the inner cavity of the movable seat (210) and extending out of the movable seat (210), a clamping plate (230) fixed at the end of the movable seat (210), a threaded sleeve (240) fixed at the bottom end of the movable seat (210) and sleeved on the driving member (150), an air pipe (250) installed on one side of the movable seat (210) and communicating with the inner cavity of the movable seat (210), and an air pressure sensor (260) installed on one side of the movable seat (210) and extending into the inner cavity of the movable seat (210). The movable seat (210) is provided with a plurality of slot holes (211) arranged on one side, and an inner cavity (212) is arranged in the movable seat (210) and communicates with the slot holes (211). The clamping plate (230) comprises a rectangular plate (231) fixed at the end of the movable rod (220), a protrusion (232) fixed on one side of the rectangular plate (231), and a rubber pad layer (233) fitted on the protrusion (232).

2. A low wear fixture clamp for machining of an automobile axle housing as claimed in claim 1, wherein, The movable rod (220) comprises a piston (221) movably arranged in the inner cavity of the slot hole (211), a support rod (222) fixed at one end of the piston (221) and extending out of the slot hole (211), and a spring (223) connecting the piston (221) and the inner bottom wall of the slot hole (211).

3. A low wear fixture clamp for machining of an automobile axle housing as claimed in claim 1, wherein, The driving member (150) comprises a double-headed screw (151) rotatably installed on the opposite inner side of the base (110), and a motor (152) fixed on one side of the base (110) and having an axis fixedly connected with the end of the double-headed screw (151).

4. A low wear fixture clamp for machining of an automotive axle housing as set forth in claim 3, characterized in that, The double-headed screw (151) penetrates through the threaded sleeve (240), and the double-headed screw (151) and the threaded sleeve (240) are in meshing engagement.

5. A low wear fixture clamp for machining of an automotive axle housing as set forth in claim 1, characterized in that, One end of the air pipe (250) communicates with an air pump, and the other end communicates with the inner cavity (212) of the movable seat (210), and the air pressure sensor (260) extends into the inner cavity (212).

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