阅读说明：本技术 一种汽车托臂热压装配装置 (Hot-pressing assembly device for automobile supporting arm ) 是由 顾国进 周海飞 朱昶昱 汪洋 于 2019-11-29 设计创作，主要内容包括：本发明涉及一种汽车托臂热压装配装置,一装配底座；一设置在装配底座上的导向臂装夹组件,包括第一底座、第一水平驱动机构、固定座、锁紧机构；一设置在装配底座上的扭力杆装夹组件,包括第二底座、第二水平驱动机构、第三底座、扭力杆支撑座、扭力杆压紧机构；一设置在装配底座上的加热组件,包括中频加热器,在中频加热器靠近第三底座的一侧还具有一对与两个第一底座上装夹的导向臂的插接孔相对应的加热线圈。本发明的优点在于：利用导向臂装夹组件、扭力杆装夹组件之间的配合,从而实现了两个导向臂与扭力杆的同时装夹,只需一次加工即可实现托臂的装配,无需两次装配,节省了装配时间,提高了工作功率。(The invention relates to an automobile supporting arm hot-pressing assembly device, which comprises an assembly base, a support arm and a hot-pressing assembly device, wherein the assembly base is provided with a support arm; the guide arm clamping assembly is arranged on the assembly base and comprises a first base, a first horizontal driving mechanism, a fixed seat and a locking mechanism; the torsion bar clamping assembly is arranged on the assembling base and comprises a second base, a second horizontal driving mechanism, a third base, a torsion bar supporting seat and a torsion bar pressing mechanism; and the heating assembly is arranged on the assembly base and comprises an intermediate frequency heater, and one side of the intermediate frequency heater, which is close to the third base, is also provided with a pair of heating coils corresponding to the plug holes of the guide arms clamped on the two first bases. The invention has the advantages that: the guide arm clamping assembly and the torsion bar clamping assembly are matched, so that the two guide arms and the torsion bar are clamped simultaneously, the bracket arms can be assembled only by one-time processing, two-time assembly is not needed, the assembly time is saved, and the working power is improved.)

1. The utility model provides an automobile trailing arm hot pressing assembly quality, automobile trailing arm include a pair of guide arm and connect the torsion bar of two guide arms, all opened a through-hole in the middle part position and the both sides position of guide arm, and one of them through-hole that is located the guide arm side is for holding the spliced eye that the torsion bar pegged graft, and other two holes are connecting hole, its characterized in that: the hot press assembly device comprises

An assembly base;

the guide arm clamping assembly is arranged on the assembly base and comprises a pair of first bases arranged on two sides of the assembly base, the two first bases are driven to mutually approach or separate through a first horizontal driving mechanism, two pairs of fixing seats for accommodating the guide arms to be embedded are arranged on the first bases and respectively correspond to two connecting holes of the guide arms, meanwhile, positioning holes consistent with the connecting holes are formed in the fixing seats, and the guide arms are locked and fixed through a locking mechanism after being embedded into the fixing seats;

the torsion bar clamping assembly is arranged on the assembling base and comprises a second base arranged between two first bases, the second base is driven by a second horizontal driving mechanism to move horizontally, the moving direction of the second base is perpendicular to that of the first bases, a third base is arranged on the second base, a pair of torsion bar supporting seats are arranged at the top end of the third base, and a torsion bar pressing mechanism is arranged beside the torsion bar supporting seats on the third base;

the heating assembly is arranged on the assembly base and comprises an intermediate frequency heater which is arranged on the second base and positioned beside the third base, and a pair of heating coils which correspond to the plug holes of the guide arms clamped on the two first bases are arranged on one side of the intermediate frequency heater close to the third base.

2. The automobile trailing arm hot-press assembling device according to claim 1, wherein: the first horizontal driving mechanism is: a pair of first movable guide rails corresponding to the first bases are respectively installed on two sides of the upper end of the assembling base, the first movable guide rails extend along the distribution directions of the two first bases, first movable sliding blocks matched with the first movable guide rails for use are installed at the bottom ends of the first bases, and the first bases are driven by independent first horizontal driving cylinders installed on the assembling base to reciprocate along the first movable guide rails.

3. The automobile trailing arm hot-press assembling device according to claim 2, wherein: the bottom end of the first base is also connected with a vertically arranged first connecting plate, the first connecting plate is positioned between the two first movable guide rails of the same pair, the first connecting plate is connected with a piston rod of the first horizontal driving cylinder, and a first movable groove which extends along the extending direction of the first movable guide rails and is used for allowing the first connecting plate to penetrate through and move is further arranged between the two first movable guide rails of the same pair on the assembly base.

4. The automobile trailing arm hot-press assembling device according to claim 1, wherein: the locking mechanism comprises a pair of locking cylinders, the two locking cylinders are respectively in one-to-one correspondence with the two pairs of fixing seats, the front end of a piston rod of each locking cylinder is further connected with a positioning block which is attached to a positioning hole in each fixing seat, the positioning block is driven by the locking cylinders to penetrate through the positioning holes in the two fixing seats of the same pair, and a positioning block guide sleeve is further arranged on the two fixing seats close to one side of each locking cylinder.

5. The automobile trailing arm hot-press assembling device according to claim 1, wherein: the second horizontal driving mechanism is: a pair of second movable guide rails corresponding to the second base are respectively installed on two sides of the upper end of the assembling base, the second movable guide rails extend along the direction vertical to the distribution direction of the two first bases, a second movable sliding block matched with the second movable guide rails for use is installed at the bottom end of the second base, and the second base is driven by a second horizontal driving cylinder installed on the assembling base to reciprocate along the extending direction of the second movable guide rails.

6. The automobile trailing arm hot-press assembling device according to claim 5, wherein: the bottom end of the second base is also connected with a vertically arranged second connecting plate, the second connecting plate is positioned between the two second movable guide rails, the second connecting plate is connected with a piston rod of the second horizontal driving cylinder, and a second movable groove which extends along the extending direction of the second movable guide rails and is used for allowing the second connecting plate to pass through and move is further arranged between the two second movable guide rails on the assembly base.

7. The automobile trailing arm hot-press assembling device according to claim 1, wherein: the torsion bar pressing mechanism comprises a vertically arranged torsion bar pressing cylinder which is arranged on the third base and is positioned between the two torsion bar supporting seats, the top end of a piston rod of the torsion bar pressing cylinder is connected with a horizontally arranged pressing block, the bottom end of the pressing block is connected with a vertically arranged pressing bar, and the pressing bar is driven by the torsion bar pressing cylinder to press or keep away from the torsion bar.

8. The automobile trailing arm hot-press assembling device according to claim 1, wherein: the assembling base is further provided with an auxiliary hot-pressing mechanism, the auxiliary hot-pressing mechanism comprises a pair of auxiliary inserting seats which are respectively arranged on the outer sides of the two first bases, one side, close to the first bases, of each auxiliary inserting seat is provided with an auxiliary inserting cylinder which is horizontally arranged, the top end of a piston rod of each auxiliary inserting cylinder is connected with an auxiliary inserting block, the auxiliary inserting block corresponds to the position of the inserting hole of the guide arm, and the auxiliary inserting block is driven by the auxiliary inserting cylinder to be attached to or away from the inserting hole of the guide arm.

Technical Field

The invention relates to the field of automobile supporting arm processing, in particular to an automobile supporting arm hot-pressing assembly device.

Background

The suspension system is a guide and force transmission device for connecting a vehicle frame and an axle, generally comprises an elastic assembly, a guide device, a shock absorber and a stabilizer bar, can transmit force and torque acting on a wheel on a road surface to the vehicle frame through the axle, and transmit traction force, braking force and the like of an engine to the wheel through the axle, and damp vibration of the vehicle frame and a vehicle body through an elastic element and a damping element. The suspension system can be divided into a non-independent suspension and an independent suspension, the non-independent suspension is connected by adopting an integral axle, wheels at two sides and the axle are suspended below the frame together through an elastic suspension, and elastic components of the suspension system mainly adopt a steel plate spring, a spiral spring and an air spring; as a common type of non-independent suspension, a trailing arm type non-independent suspension generally includes an integral axle, left and right trailing arms, an air spring, a shock absorber, a stabilizer bar, a thrust rod, and the like; the processing quality of the bracket arm is related to the reliability of a suspension system and the driving smoothness of a vehicle.

There is a conventional bracket for an automobile, which includes a pair of guide arms and a torsion bar connecting the two guide arms, wherein a through hole is formed in the middle and both sides of each guide arm, and one of the through holes at the side ends of each guide arm is a socket for receiving the torsion bar, when machining is performed, the guide arms and the torsion bar are separately machined, one of the guide arms is clamped by an auxiliary tool such as a clamp, the torsion bar is grasped by a manipulator, one side of the torsion bar is inserted into the guide arm, the guide arm is loosened, the torsion bar and the guide arm are taken out, the other guide arm is clamped by a clamp, the torsion bar is grasped by the manipulator, the other side of the torsion bar is inserted into the guide arm, and the whole bracket is installed, and the whole assembling process requires two-step clamping and multiple grasping and taking-out of the guide arm, is very troublesome and has low working efficiency.

Disclosure of Invention

The invention aims to provide an automobile supporting arm hot-pressing assembly device with high working efficiency.

In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides an automobile trailing arm hot pressing assembly quality, automobile trailing arm include a pair of guide arm and connect the torsion bar of two guide arms, all opened a through-hole in the middle part position and the both sides position of guide arm, and one of them through-hole that is located the guide arm side is for holding the spliced eye that the torsion bar pegged graft, and other two holes are the connecting hole, and its innovation point lies in: the hot press assembly device comprises

An assembly base;

the guide arm clamping assembly is arranged on the assembly base and comprises a pair of first bases arranged on two sides of the assembly base, the two first bases are driven to mutually approach or separate through a first horizontal driving mechanism, two pairs of fixing seats for accommodating the guide arms to be embedded are arranged on the first bases and respectively correspond to two connecting holes of the guide arms, meanwhile, positioning holes consistent with the connecting holes are formed in the fixing seats, and the guide arms are locked and fixed through a locking mechanism after being embedded into the fixing seats;

the torsion bar clamping assembly is arranged on the assembling base and comprises a second base arranged between two first bases, the second base is driven by a second horizontal driving mechanism to move horizontally, the moving direction of the second base is perpendicular to that of the first bases, a third base is arranged on the second base, a pair of torsion bar supporting seats are arranged at the top end of the third base, and a torsion bar pressing mechanism is arranged beside the torsion bar supporting seats on the third base;

the heating assembly is arranged on the assembly base and comprises an intermediate frequency heater which is arranged on the second base and positioned beside the third base, and a pair of heating coils which correspond to the plug holes of the guide arms clamped on the two first bases are arranged on one side of the intermediate frequency heater close to the third base.

Further, the first horizontal driving mechanism is: a pair of first movable guide rails corresponding to the first bases are respectively installed on two sides of the upper end of the assembling base, the first movable guide rails extend along the distribution directions of the two first bases, first movable sliding blocks matched with the first movable guide rails for use are installed at the bottom ends of the first bases, and the first bases are driven by independent first horizontal driving cylinders installed on the assembling base to reciprocate along the first movable guide rails.

Furthermore, a first connecting plate is vertically connected to the bottom end of the first base, the first connecting plate is located between the two first movable guide rails of the same pair, the first connecting plate is connected with a piston rod of the first horizontal driving cylinder, and a first movable groove which extends along the extending direction of the first movable guide rails and is used for allowing the first connecting plate to penetrate through and move is further formed between the two first movable guide rails of the same pair on the assembly base.

Furthermore, the locking mechanism comprises a pair of locking cylinders, the two locking cylinders are respectively in one-to-one correspondence with the two pairs of fixing seats, the front end of a piston rod of each locking cylinder is further connected with a positioning block attached to a positioning hole in each fixing seat, the positioning block is driven by the locking cylinders to penetrate through the positioning holes in the two fixing seats of the same pair, and a positioning block guide sleeve is further arranged on the two fixing seats close to one side of each locking cylinder.

Further, the second horizontal driving mechanism is: a pair of second movable guide rails corresponding to the second base are respectively installed on two sides of the upper end of the assembling base, the second movable guide rails extend along the direction vertical to the distribution direction of the two first bases, a second movable sliding block matched with the second movable guide rails for use is installed at the bottom end of the second base, and the second base is driven by a second horizontal driving cylinder installed on the assembling base to reciprocate along the extending direction of the second movable guide rails.

Furthermore, a second connecting plate which is vertically arranged is connected to the bottom end of the second base, the second connecting plate is located between the two second movable guide rails, the second connecting plate is connected with a piston rod of the second horizontal driving cylinder, and a second movable groove which extends along the extending direction of the second movable guide rails and is used for allowing the second connecting plate to penetrate through and move is further formed between the two second movable guide rails on the assembly base.

Furthermore, the torsion bar pressing mechanism comprises a vertically arranged torsion bar pressing cylinder which is arranged on the third base and positioned between the two torsion bar supporting seats, a horizontally arranged pressing block is connected to the top end of a piston rod of the torsion bar pressing cylinder, a vertically arranged pressing bar is connected to the bottom end of the pressing block, and the pressing bar is driven by the torsion bar pressing cylinder to press or keep away from the torsion bar.

Furthermore, an auxiliary hot-pressing mechanism is further arranged on the assembly base and comprises a pair of auxiliary insertion seats which are respectively arranged on the outer sides of the two first bases, an auxiliary insertion cylinder which is horizontally arranged is arranged on one side, close to the first bases, of the auxiliary insertion seats, an auxiliary insertion block is connected to the top end of a piston rod of the auxiliary insertion cylinder, the auxiliary insertion block corresponds to the position of the insertion hole of the guide arm, and the auxiliary insertion block is attached to or far away from the insertion hole of the guide arm through the auxiliary insertion cylinder in a driving mode.

The invention has the advantages that: according to the hot-press assembly device, the two guide arms and the torsion bar are simultaneously clamped by utilizing the matching of the guide arm clamping component and the torsion bar clamping component, the bracket arm can be assembled only by one-time processing, two-time assembly is not needed, the assembly time is saved, and the working power is improved.

Utilize heating element's cooperation to can heat simultaneously the spliced eye of two guide arms simultaneously before pegging graft, untie the assembly that realizes the trailing arm for follow-up realization once-through processing and provide the basis.

The first horizontal driving mechanism and the second horizontal driving mechanism are matched with each other through the connecting plate and the movable groove, so that interference can be avoided when the first base or the second base moves, and the first base and the second base can move smoothly.

The locking mechanism is arranged, the locking cylinder is matched with the positioning block, so that the guide arm and the fixing seat are relatively fixed, and in such a way, the guide arm and the fixing seat can be relatively fixed without any direct connecting piece, so that the guide arm is convenient to mount and dismount, and the working efficiency is improved; the positioning block guide sleeve is arranged to guide and limit the positioning block, so that the phenomenon of deviation and blocking of the positioning block is avoided.

The torsion bar hold-down mechanism is arranged and matched with the torsion bar hold-down cylinder, the hold-down block and the hold-down rod, so that the upper side of the torsion bar is pressed to be limited, the torsion bar supporting seat is matched, other direct fixing parts are not needed, the torsion bar supporting seat can be fixed, the torsion bar supporting seat is convenient to mount and dismount, and the working efficiency is improved.

The auxiliary hot-pressing mechanism is arranged, the auxiliary plug socket, the auxiliary plug cylinder and the auxiliary plug block are matched, so that one-way support for the position of the plug hole of the guide arm is achieved, and in the process of plugging the torsion bar, when the torsion bar and the guide arm are blocked and the like, greater pressure can be applied to the guide arm, the guide arm can be smoothly plugged with the torsion bar, and smooth plugging is guaranteed.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic view of the hot press assembling device for the automobile corbel of the invention.

Fig. 2 is a front view of the automobile corbel hot press assembly apparatus of the present invention.

Fig. 3 is a sectional view a-a of fig. 2.

Fig. 4 is a plan view of the automobile corbel hot press assembly apparatus of the present invention.

Fig. 5 is a sectional view B-B of fig. 4.

Fig. 6 is a cross-sectional view C-C of fig. 4.

Detailed Description

The following examples are presented to enable one of ordinary skill in the art to more fully understand the present invention and are not intended to limit the scope of the embodiments described herein.

As shown in fig. 1-6, the automobile supporting arm hot-press assembly apparatus includes a pair of guiding arms 1 and a torsion bar 2 connecting the two guiding arms 1, a through hole is formed in the middle and both sides of the guiding arm 1, one of the through holes at the side end of the guiding arm 1 is an insertion hole for inserting the torsion bar 2, and the other two holes of the guiding arm 1 are connecting holes connected with other components.

The hot press assembly device comprises

An assembly base 3, this assembly base 3 is the cuboid frame rack structure that constitutes by a plurality of horizontal I shaped steel and vertical I shaped steel jointly, and the bottom of assembly base 3 supports through the supporting seat 31 that the several distributes side by side along the major axis direction of assembly base 3, and supporting seat 31 also is the I-steel construction.

A guide arm clamping component of setting on assembly base 3, guide arm clamping component includes a pair of first base 4 that sets up in the both sides of the major axis direction of assembly base 3, first base 4 includes the bottom plate that a level set up, a fixedly connected with mount pad on the up end of bottom plate, still be provided with the reinforcing plate of a pair of three horn shapes between the side of mount pad and bottom plate, thereby utilize the reinforcing plate to realize the firm to the structure between mount pad and the bottom plate, thereby the firm of whole first base 4's structure has been ensured, be close to each other or keep away from through the drive of first horizontal drive mechanism between two first bases 4.

The first horizontal driving mechanism is: a pair of first movable guide rails 41 corresponding to the first bases 4 are respectively installed on two sides of the upper end of the assembly base 3, the first movable guide rails 41 extend along the distribution direction of the two first bases 4, first movable sliders 42 matched with the first movable guide rails 41 for use are installed at the bottom ends of the first bases 4, and the first bases 4 are driven by independent first horizontal driving cylinders 43 installed on the assembly base 3 to reciprocate along the first movable guide rails 41.

A first connecting plate 44 is vertically connected to the bottom end of the first base 4, the first connecting plate 44 is located between two first movable guide rails 41 of the same pair, the top end of the first connecting plate 44 is fixedly connected to the bottom end of the first base 4, the side end of the first connecting plate 44 is fixedly connected to the piston rod of the first horizontal driving cylinder 43, and a first movable groove extending along the extending direction of the first movable guide rails 41 and allowing the first connecting plate 44 to pass through and move is further formed between the two first movable guide rails 41 of the same pair on the assembly base 3. For the arrangement of the first horizontal driving mechanism, the first connecting plate 44 is matched with the first movable groove, so that interference can be avoided when the first base 4 moves, and smooth movement of the first base 4 is ensured.

Install two pairs on first base 4 and hold fixing base 45 that leading arm 1 was inlayed, be provided with the backup pad between two fixing base 45, the bottom of fixing base 45 is fixed mutually with first base 4, leave the clearance that holds leading arm 1 embedding between two fixing base 45 of same pair, the position that two pairs of fixing base 45 were installed on first base 4 respectively with two connecting holes of leading arm 1 corresponding, still open the locating hole unanimous with the connecting hole of leading arm 1 on fixing base 45 simultaneously, thereby make leading arm 1 after embedding fixing base 45, two connecting holes on leading arm 1 respectively with the locating hole on fixing base 45 align, leading arm 1 supports in the backup pad behind embedding fixing base 45, then fix through a locking mechanism locking.

The locking mechanism comprises a pair of locking cylinders 46, the two locking cylinders 46 correspond to the two pairs of fixing seats one by one, the front end of the piston rod of the locking cylinder 46 is also connected with a positioning block 47 attached to a positioning hole in the fixing seat 45, and the connection between the positioning block 47 and the locking cylinder 46 is as follows: a T-shaped fixing block is sleeved at the front end of a piston cylinder of the locking cylinder 46, the positioning block 47 comprises a positioning block main body and a positioning block cover plate which is fixed with the end portion of the positioning block main body through a bolt, one side, close to the positioning block cover plate, of the positioning block main body is provided with a T-shaped embedded groove which can be embedded into the T-shaped fixing block, when the positioning block main body is installed, the T-shaped fixing block of the piston cylinder of the locking cylinder 46 is embedded into the T-shaped embedded groove in the positioning block main body, the concentric machining precision requirement and the debugging difficulty are effectively reduced through movable connection, then the positioning block cover plate covers the end portion of the positioning block main body, and the positioning block main body is fixed through the bolt, so that the fixing between the remaining positioning blocks 47 of the locking cylinder 46 is realized, the detachable connection.

The connecting hole of guide arm 1 is T word shape, and corresponding locating piece 47 is the T word shape of laminating mutually with the inner wall of the connecting hole of guide arm 1, adopts such design to can realize spacing relatively between locating piece 47 and the guide arm 1, locating piece 47 is driven by locking cylinder 46 and is passed the locating hole on two fixing base 45 of same pair, still has a locating piece uide bushing 48 on two fixing base 45 that lie in near locking cylinder 46 one side. When the guide arm 1 is clamped, the guide arm 1 is firstly grabbed and embedded into a gap between two pairs of fixing seats in a manual hand-held or mechanical hand grabbing mode, connecting holes of the guide arm 1 are respectively approximately aligned with the positioning holes in the fixing seats 45, then the locking cylinder 46 works, the positioning block 47 is driven to penetrate through the positioning holes in the fixing seats 45 on one side, close to the locking cylinder 46, of the same pair of fixing seats, then the positioning block penetrates through the connecting holes in the guide arm 1 and is attached to the T-shaped connecting holes in the guide arm 1, and after the positioning block is completely attached, the front side of the positioning block 47 can extend into the positioning holes in the other fixing seats 45, so that automatic locking, positioning and fixing between the guide arm 1 and the fixing seats 45 are realized.

The locking mechanism is arranged, and the locking cylinder 46 is matched with the positioning block 47, so that the guide arm 1 and the fixing seat 45 are relatively fixed, and in such a way, the guide arm and the fixing seat can be relatively fixed without any direct connecting piece, so that the guide arm is convenient to mount and dismount, and the working efficiency is improved; the positioning block guide sleeve 48 plays a role in guiding and limiting the positioning block 47, and the phenomenon that the positioning block 47 deviates and is stuck is avoided.

An auxiliary hot-pressing mechanism is arranged on the assembly base 3 and positioned on the outer side of the guide arm clamping assembly, the auxiliary hot-pressing mechanism comprises a pair of auxiliary plug sockets 8 respectively arranged on the outer sides of the two first bases 4, each auxiliary plug socket 8 comprises a horizontal plate and a vertical plate which are distributed in an L shape, a reinforcing plate which is obliquely arranged is arranged between the horizontal plate and the vertical plate, so that the whole auxiliary plug socket 8 is in a right-angled triangle shape, the structure of the auxiliary plug socket 8 is more stable due to the design of the auxiliary plug socket 8 in the shape, an auxiliary plug cylinder 81 which is horizontally arranged is arranged on one side, close to the first base 4, of the vertical plate of the auxiliary plug socket 8, the cylinder body of the auxiliary plug cylinder 81 is fixedly connected with the auxiliary plug socket 8, an auxiliary plug block 82 is connected to the top end of a piston rod of the auxiliary plug cylinder 81, and the position of the auxiliary plug block 82 corresponds to the position of the plug hole of the guide arm 1, the auxiliary insertion block 82 is attached to or far away from the insertion hole of the guide arm 1 through the driving of the auxiliary insertion cylinder 81, and the size of the auxiliary insertion block 82 is larger than that of the insertion hole of the guide arm 1, so that the auxiliary insertion block 82 can limit and support the outer wall of the insertion hole of the guide arm 1. The auxiliary hot-pressing mechanism is arranged by adopting the matching among the auxiliary socket 8, the auxiliary socket cylinder 81 and the auxiliary socket block 82, so that the one-way support of the position of the socket hole of the guide arm 1 is realized, and in the process of the socket connection of the torsion bar 2, when the phenomena of clamping and the like occur between the torsion bar 2 and the guide arm 1, greater pressure can be provided for the guide arm 1, the guide arm 1 can be smoothly plugged with the torsion bar 2, and the smooth proceeding of the socket connection is ensured.

The torsion bar clamping assembly is arranged on the assembling base and comprises a second base 5 arranged between the two first bases 4, the second base 5 is a horizontally arranged bottom plate, the second base 5 is driven by a second horizontal driving mechanism to move horizontally, and the moving direction of the second base 5 is perpendicular to that of the first bases.

The second horizontal driving mechanism is: a pair of second movable guide rails 51 corresponding to the second base 5 are respectively installed on two sides of the upper end of the assembly base 3, the second movable guide rails 51 extend along a direction perpendicular to the distribution direction of the two first bases 4, a second movable slider 52 matched with the second movable guide rails 51 for use is installed at the bottom end of the second base 5, and the second base 5 is driven by a second horizontal driving cylinder 53 installed on the assembly base 3 to reciprocate along the extending direction of the second movable guide rails 51.

The bottom end of the second base 5 is further connected with a second connecting plate 54 which is vertically arranged, the second connecting plate 54 is located between the two second movable guide rails 51, the top end of the second connecting plate 54 is fixedly connected with the bottom end of the second base 5, the side end of the second connecting plate 54 is connected with the piston rod of the second horizontal driving cylinder 53, and a second movable groove which extends along the extending direction of the second movable guide rails 51 and is used for allowing the second connecting plate 54 to penetrate and move is further formed between the two second movable guide rails 51 on the assembly base 3. For the arrangement of the second horizontal driving mechanism, the second connecting plate 54 is matched with the second movable groove, so that when the second base 5 moves, interference is avoided, and the second base 5 can move smoothly.

The third base 6 is installed on the second base 5, the third base 6 comprises a pair of vertical plates which are fixed on the upper end surface of the second base 4 and are vertically arranged, a horizontally arranged supporting plate is fixedly connected to the top ends of the two vertical plates, a pair of torsion bar supporting seats 61 are installed on the top ends of the supporting plates of the third base 6, a groove for embedding the torsion bar is formed in the upper end surface of each torsion bar supporting seat 61, the inner wall of the groove is attached to the outer wall of the torsion bar, and a torsion bar pressing mechanism is further arranged on the supporting plate of the third base 5 and beside the torsion bar supporting seat 61.

The torsion bar pressing mechanism includes a vertically disposed torsion bar pressing cylinder 63 installed in the support plate of the third base 6 and located beside the torsion bar support base 61, and the torsion bar pressing cylinder 63 is located between the two torsion bar support bases 61, a horizontally disposed pressing block 64 is connected to the top end of the piston rod of the torsion bar pressing cylinder 63, a vertically disposed pressing bar 65 is connected to the bottom end of the pressing block 64, the pressing bar 65 is located on the side of the pressing block 64 not connected to the torsion bar pressing cylinder 63, and the pressing bar 65 is driven by the torsion bar pressing cylinder 63 to press or keep away from the torsion bar 2. When the torsion bar 2 is clamped, the torsion bar 2 is supported on the two torsion bar support seats 61, the torsion bar 2 is placed in the groove of the torsion bar support seat 61, and then the torsion bar pressing cylinder 63 drives the pressing rod 65 to move downward until the bottom end of the pressing rod 65 presses the upper end face of the torsion bar 2, thereby completing the assembly of the torsion bar 2.

Torsion bar hold-down mechanism's setting adopts the cooperation between torsion bar hold-down cylinder 63, compact heap 64, the clamping bar 65 to realized compressing tightly spacingly to the upside of torsion bar 2, deuterogamy torsion bar supporting seat 61, thereby need not other direct mount and can realize the fixed of torsion bar supporting seat, made things convenient for the installation and the dismantlement of torsion bar supporting seat 61, improved work efficiency.

The heating assembly is arranged on the assembly base 3 and comprises a medium frequency heater 7 which is arranged on the second base 5 and is positioned beside the third base 6, one side of the medium frequency heater 7 close to the third base 6 is also provided with a pair of heating coils 71 corresponding to the plug-in holes of the guide arms 1 clamped on the two first bases 4, the outer walls of the heating coils 71 are attached to the inner walls of the plug-in holes in the guide arms 1, and the heating coils 71 are connected with the guide arms 1 through a pair of L-shaped heating rods 72.

In the embodiment, except that two human driving cylinders in the auxiliary hot-pressing mechanism need to adopt hydraulic oil cylinders, the other driving cylinders can adopt air cylinders or hydraulic oil cylinders.

The working principle is as follows: when processing, firstly, two guide arms 1 and a torsion bar 2 are respectively clamped and fixed through a guide arm clamping component and a torsion bar assembling component, at the moment, assembling guide blocks are processed at two sides of the torsion bar 2, the assembling guide blocks are used for reducing the assembling precision of the torsion bar 2 when the torsion bar 2 is assembled with the guide arms 1, then, two first horizontal driving cylinders 43 respectively drive the respective first bases 4 to move towards the middle until two heating coils 71 of an intermediate frequency heater 7 are respectively inserted into the inserting holes of the two guide arms 1, the first horizontal driving cylinders 43 stop moving, the inserting holes of the two guide arms 1 are respectively heated by the heating coils, after the heating is finished, the first horizontal driving cylinders 43 pull back the first bases 4 in the reverse direction, return to the original position, and then the second horizontal driving cylinders 53 push the second bases 5 to move in the reverse direction, the torsion bar 1 on the third base 6 is moved to between the two first bases 4 until the torsion bar 1 is aligned with the insertion holes of the two guide arms 1, then the two first horizontal driving cylinders 43 drive the first bases 4 to move towards the middle, meanwhile, the two auxiliary insertion cylinders 81 also start to move inwards and provide a force greater than that of the first horizontal driving cylinders 43 to ensure that the guide arms 2 can be hot-pressed in place, after the insertion is in place, the locking cylinder 46 and the torsion bar pressing cylinder 63 act first to release the clamping of the guide arms 1 and the torsion bar 2, then after the guide arms 1 and the torsion bar 2 are integrally removed, the first horizontal driving cylinders 43, the second horizontal driving cylinders 53 and the auxiliary insertion cylinders 81 work in reverse directions, so that the first bases 4, the first bases 5 and the auxiliary insertion blocks 82 all return to the original positions, and the assembly of one support arm is completed.

According to the hot-press assembly device, the two guide arms 1 and the torsion bar 2 are simultaneously clamped by the aid of the cooperation between the guide arm clamping assembly and the torsion bar clamping assembly, the support arms can be assembled only by one-time processing without two-time assembly, assembly time is saved, working power is improved, and the cooperation of the heating assemblies is utilized, so that plug-in holes of the two guide arms 1 can be simultaneously heated before plug-in, and a foundation is provided for realizing assembly of the support arms by means of one-time processing.

It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.