Multi-station combined processing device for bank steel counter

Abstract

The application relates to the technical field of mechanical manufacturing and automatic equipment, and discloses a multi-station combined machining device for bank steel counters, which comprises an assembling table, four linear electric sliding rails are arranged around the assembling table, a turnover clamping assembly is arranged at the moving end of the linear electric sliding rail, four cutting devices are respectively connected to the four linear electric sliding rails, a plate is adsorbed and fixed by the turnover clamping assembly, is cut and formed by the cutting devices, is then conveyed to the position close to the assembling table by the linear electric sliding rails, and after the formed plate is moved out of the cutting device, the formed plate is turned over from the horizontal state to the vertical state by the turnover clamping assembly and is butt-jointed. After the turnover clamping assembly completes the surrounding of the cabinet body, the turnover clamping assembly directly stays in the cabinet body and is converted into an internal expansion supporting unit, so that all the external surface welds and corner joints of the cabinet body are completely exposed to the external space, and a secondary repair welding process which must be carried out due to the shielding of the clamp is completely eliminated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mechanical manufacturing and automation equipment, in particular to a multi-station combined processing device for bank steel counters. BACKGROUND

[0002] As the core physical protection node of financial business places, the manufacturing process of bank steel counters has long been faced with the dual challenges of "structural strength" and "appearance precision". Such counters are usually spliced from large-format high-strength alloy steel plates, and in the existing production and manufacturing system, the processing flow presents a significant discrete feature.

[0003] Generally, the plate needs to be cut on a laser cutting machine, and then manually or by a crane to be transported to the welding station, and a temporary jig is built by using an external clamp to assemble and align, and then transported to the polishing station for surface treatment after welding. This multi-station operation mode not only leads to a long production cycle, but more critically, the cumulative error caused by multiple clamping makes it difficult to ensure the splicing precision of the four corner seams of the counter, and it is easy to have misaligned edges or uneven gaps.

[0004] In the welding link, the existing external frame type clamp has two core pain points: one is "physical interference", the external clamp will inevitably block part of the weld, making it impossible for the welding gun and the polishing head to work continuously, forming a process dead angle; the other is "uncontrolled thermal deformation", thin-walled wide steel plates are prone to wave buckling under welding heat input. The traditional rigid clamp cannot sense and offset this thermal stress, resulting in visible bulges or depressions on the surface of the finished counter body, which is very costly to correct. In addition, for the protection of the back of the counter corner seam, the existing technology mostly uses external gas pipes to blow gas inward. This way, the gas utilization rate is low, and it cannot effectively cool the high-temperature area of the weld, which is easy to cause the back of the weld to oxidize and turn black, affecting the overall corrosion resistance. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a multi-station combined processing device for bank steel counters, which solves the problems of low production efficiency and large cumulative error caused by the discrete cutting and assembly welding process of the plate in the existing bank steel counter manufacturing process, the inability to achieve full-surface continuous operation caused by the welding and polishing dead angle of the traditional external enclosing clamp, and the uncontrollable wave deformation of the thin-walled steel plate under welding heat input and the oxidation of the back of the weld.

[0006] In order to achieve the above object, the present application is realized by the following technical scheme: A multi-station combined processing device for bank steel counter, comprising an assembly table, four linear electric slide rails are arranged around the assembly table, a turnover clamping assembly is arranged at the moving end of the linear electric slide rail, four linear electric slide rails are also connected to four cutting devices, the plate is adsorbed and fixed by the turnover clamping assembly, and after being cut and formed by the cutting device, it is conveyed to the position close to the assembly table by the linear electric slide rail, after the formed plate moves out of the cutting device, the formed plate is turned over from the horizontal state to the vertical state by the turnover clamping assembly and is butt jointed, so that the four formed plates are spliced into a cabinet body, at this time, the turnover clamping assembly is located in the cabinet body, an internal expansion unit is also arranged in the turnover clamping assembly, which is used for internally resisting the four inner wall corner joints of the cabinet body, a hoisting rail is arranged above the assembly table, a hoist is fixedly connected to the moving end of the hoisting rail, a clamping unit is arranged at the lifting end of the hoist, which is used for clamping and fixing the cut counter top, and welding equipment and polishing equipment are also arranged around the assembly table.

[0007] Preferably, the turnover clamping assembly comprises a turnover frame, the turnover part of the turnover frame is fixedly connected with an adsorption plate, the adsorption plate is turned over toward the cutting device by the turnover frame, an electromagnetic chuck array is arranged on the plate body of the adsorption plate, and the electromagnetic chuck array is used for adsorbing and fixing the plate.

[0008] Preferably, the four linear electric slide rails are staggered in height, the moving end of one linear electric slide rail at the high position is fixedly connected with the bottom wall of the turnover frame, and the moving ends of the remaining three linear electric slide rails are fixedly connected with lifting tables, and the lifting end of the top of the lifting table is fixedly connected with the bottom wall of the turnover frame.

[0009] Preferably, the internal expansion unit comprises a mounting frame, the mounting frame is embedded and slidably connected in a sliding groove arranged at the bottom of the adsorption plate, the side wall of the mounting frame and the side wall of the sliding groove are connected through an electric push rod, the mounting frame is slid in the sliding groove through the electric push rod, a left-right screw rod module is arranged in the middle of the mounting frame and perpendicular to the sliding direction of the mounting frame, two output ends of the left-right screw rod module are fixedly connected with two push plates respectively, the side wall of the push plate is slidably connected in the inner wall of the mounting frame, one side of the push plate penetrates through the mounting frame and extends outward, and an L-shaped inner supporting block is fixedly connected to the extended side of the push plate.

[0010] Preferably, the left-right screw rod module comprises a left-right screw rod and two reverse moving screw nuts, the two screw nuts are fixedly connected with the two push plates respectively, a driven bevel gear is fixedly connected in the middle of the left-right screw rod, a driving bevel gear is meshingly connected to the tooth end of the driven bevel gear, the center of the driving bevel gear is fixedly connected to the output end of the motor, and the outer wall of the motor is fixedly connected to the outer wall of the mounting frame.

[0011] Preferably, the L-shaped inner support block is internally provided with a plurality of cavities, a piston is slidably connected in the cavity, one end of the piston is fixedly connected with a push rod, and the other end is filled with a phase change medium between the piston and the cavity, the push rod penetrates the block of the L-shaped inner support block and extends outward, and the two are slidably connected, the outwardly extending end of the push rod is fixedly connected with a stop bar, the number of the stop bar is two, and the stop bar is arranged on the outer side of the two right angle edges of the L-shaped inner support block, a reset spring is further arranged between the stop bar and the L-shaped inner support block, and the reset spring is used to make the stop bar and the L-shaped inner support block fit together, and the L-shaped inner support block, the push rod and the stop bar are made of heat-conducting copper alloy material.

[0012] Preferably, the outer surface of the stop bar is provided with a plurality of uniformly distributed protrusions, a gas hole is formed in the gap between the protrusions, and a gas flow channel one is formed in the interior of the stop bar, the gas hole is in communication with the gas flow channel one, the L-shaped inner support block is internally provided with a gas flow channel two, the gas flow channel two is connected with the protective gas injection device through a gas pipe, the push rod adopts a hollow cylindrical structure, and the cylinder wall is provided with a ventilation opening, the gas flow channel one and the gas flow channel two are communicated through the ventilation opening, the inert protective gas enters the ventilation opening from the gas flow channel two, then enters the gas flow channel one through the push rod, and finally is discharged to the contact surface of the stop bar and the counter through the gas hole.

[0013] Preferably, the two stop bars located in the same vertical corner joint are spliced with each other, so that the contact surface of the two stop bars and the vertical corner joint forms a right angle contact structure, and the contact surface of the stop bar located in the horizontal corner joint and the horizontal corner joint is a right angle contact structure.

[0014] The application provides a multi-station combined machining device for a bank steel counter.

[0015] 1、The application realizes the smooth overturning of the plate from the "horizontal conveying posture" to the "vertical splicing posture" through the four-way linear electric sliding rails distributed around the assembly table, the high-low staggered sliding rail layout and the lifting table, breaks the separation of cutting and assembly in the traditional process, enables four plates to be directly overturned and combined to form a cabinet after cutting, greatly shortens the material circulation path, ensures the geometric perpendicularity and position accuracy of the four-wall plate assembly through one-time clamping, and realizes the compatibility of different cabinet sizes.

[0016] 2、The present application is aimed at the problem of thin-walled steel plate welding deformation, and a heat response loop based on phase change medium is integrated in the inner support block. The excellent thermal conductivity of copper alloy is used to quickly conduct the welding heat to the internal cavity, inducing the volume expansion of the phase change medium. This expansion force is converted into mechanical thrust by the piston and push rod, driving the resistance bar to push out. That is, the greater the welding heat, the stronger the reverse restraint force. This dynamic "thermal induced force enhancement" effect accurately offsets the thermal buckling trend of the plate, significantly improving the flatness of the cabinet surface.

[0017] 3、The present application discards the redundant design of external gas pipe, and directly uses the flow channel inside the push rod and resistance bar to build an embedded gas supply network. Inert gas not only covers the back of the weld through the air holes on the surface of the resistance bar to prevent high temperature oxidation, but also cooperates with the phase change heat absorption process when flowing through the internal flow channel of the copper alloy, forcing convection and heat exchange in the high temperature area. This dual cooling mechanism of "gas cooling + phase change heat absorption" effectively controls the diffusion of the heat affected zone, ensuring the metallographic organization performance of the welded joint.

[0018] 4、The present application adopts the combination design of electric push rod driving sliding installation frame and left and right screw rod module driving push plate opening and closing, and the inner expansion unit has bidirectional independent adjustment capability. This orthogonal freedom makes the device adapt to different length-width ratio of bank counter specifications. And the synchronous reverse motion brought by the left and right screw rods ensures that the two inner support blocks are always symmetrically opened relative to the center, ensuring the uniformity of stress and avoiding the distortion of the cabinet assembly caused by unilateral stress. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a perspective view of the present application;

[0020] Figure 2 is a perspective view of the turnover frame in the present application;

[0021] Figure 3 is a structural schematic view of the inner expansion unit in the present application;

[0022] Figure 4 is a local structural schematic view of the L-shaped inner support block in the present application;

[0023] Figure 5 is Figure 4 is an enlarged view of A in the present application.

[0024] Wherein, 1, assembly table; 2, linear electric sliding rail; 3, cutting device; 4, hoisting track; 5, elevator; 6, turnover frame; 7, adsorption plate; 701, sliding groove; 8, electromagnetic chuck array; 9, lifting platform; 10, mounting frame; 11, electric push rod; 12, push plate; 13, L-shaped inner support block; 1301, cavity; 1302, gas flow passage two; 14, left and right screw rod; 15, driven bevel gear; 16, driving bevel gear; 17, motor; 18, piston; 19, push rod; 1901, air vent; 20, resistance strip; 2001, air hole; 2002, gas flow passage one; 21, return spring. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0026] Please refer to the drawings Figure 1 - the drawings Figure 5 The embodiment of the present application provides a multi-station combined machining device for bank steel counter, which comprises an assembly table 1, four linear electric sliding rails 2 are arranged around the assembly table 1, a turnover clamping assembly is arranged at the moving end of the linear electric sliding rail 2, the four linear electric sliding rails 2 are respectively connected to four cutting devices 3, the plate is adsorbed and fixed by the turnover clamping assembly, and after being cut and formed by the cutting device 3, the plate is conveyed to the position close to the assembly table 1 by the linear electric sliding rail 2, after the formed plate moves out of the cutting device 3, the formed plate is turned over from the horizontal state to the vertical state by the turnover clamping assembly and is butt-jointed, so that the four formed plates are spliced into a cabinet body, at this time, the turnover clamping assembly is located in the cabinet body, an inner expanding unit is further arranged in the turnover clamping assembly and is used for internally abutting the four inner wall corners of the cabinet body, a hoisting track 4 is arranged above the assembly table 1, the moving end of the hoisting track 4 is fixedly connected to an elevator 5, a clamping unit is arranged at the lifting end of the elevator 5 and is used for clamping and fixing the cut counter top, and welding equipment and polishing equipment are further arranged around the assembly table 1.

[0027] The machining device takes a rectangular assembly table 1 as a geometric center, and four linear electric sliding rails 2 are arranged in a cross-shaped radial manner around the geometric center. The distal end of each linear electric sliding rail 2 is butt-jointed to a laser cutting device 3, so as to form an island type machining station integrating raw material forming and general assembly. After the plate is precisely machined in the cutting device 3, the plate is carried and conveyed to the assembly table 1 by the linear electric sliding rail 2.

[0028] The turnover clamping assembly comprises a turnover frame 6, the turnover frame 6 is fixedly connected with an adsorption plate 7, the adsorption plate 7 is driven by the turnover frame 6 to turn over towards the cutting device 3, an electromagnetic chuck array 8 is arranged on the plate body of the adsorption plate 7, and the electromagnetic chuck array 8 is used for adsorbing and fixing the plate. Four linear motor slide rails 2 are staggered in height, wherein the moving end of one linear motor slide rail 2 at the high position is fixedly connected with the bottom wall of the turnover frame 6, and the moving ends of the other three linear motor slide rails 2 are fixedly connected with a lifting platform 9, and the lifting end at the top of the lifting platform 9 is fixedly connected with the bottom wall of the turnover frame 6.

[0029] In order to realize the conversion of the plate from the horizontal cutting state to the vertical assembly state, the four linear motor slide rails 2 are staggered in height. The above structure is to increase the diversity of the processable counter size. For different sizes of counters, in addition to the difference in the four face sizes, the spacing between the opposite faces is also different, and through the staggered height design, it can be used for the assembly of counters with different face spacings, and the specific operation is as follows:

[0030] After the plate is cut, it is conveyed to the assembly table 1 by the linear motor slide rail 2, and the plate adsorbed and fixed on the adsorption plate 7 is turned over from the horizontal state to the vertical state by the turnover frame 6, according to the size to be assembled, the linear motor slide rail 2 drives the plate to reach the preset spacing again, then the lifting platform 9 lifts the turnover frame 6 at the low position, so that the height of the plate above it is consistent with the height of the plate at the high position, and then the cabinet body is spliced, and since the linear motor slide rail 2 is staggered in height, the problem of relative position interference between the linear motor slide rails 2 is solved.

[0031] At the same time, the above structure makes the turnover frame 6 and the components thereon just located in the internal space of the cabinet body, and completes the role conversion from “conveying carrier” to “internal clamping tooling”. This scheme provides a basis for internal expansion support.

[0032] The inner expanding unit comprises a mounting frame 10 embedded and slidingly connected in a sliding groove 701 provided in the bottom of the adsorption plate 7, an electric push rod 11 connected between the side wall of the mounting frame 10 and the side wall of the sliding groove 701, and a left-right rotating screw rod module provided in the middle of the mounting frame 10 and perpendicular to the sliding direction of the mounting frame 10, two output ends of the left-right rotating screw rod module being fixedly connected with two push plates 12 respectively, the side wall of the push plate 12 being slidingly connected with the inner wall of the mounting frame 10, one side of the push plate 12 penetrating through the mounting frame 10 and extending outward, and an L-shaped inner supporting block 13 being fixedly connected with the extended side of the push plate 12.

[0033] The adsorption plate 7 is installed on the overturning surface of the overturning frame 6, and the electromagnetic chuck array 8 distributed on the surface of the adsorption plate 7 is used for firmly adsorbing the plate in the whole process. In order to precisely support the inner corner seams of the cabinet body after being closed, the sliding groove 701 is provided in the bottom of the adsorption plate 7, and the slidable mounting frame 10 is embedded in the sliding groove 701. The electric push rod 11 is connected between the mounting frame 10 and the side wall of the sliding groove 701, and is used for adjusting the height of the mounting frame 10. Thus, the height of the L-shaped inner supporting block 13 is adjusted. The motor 17 drives one left-right rotating screw rod 14 to rotate through the meshing of the driving bevel gear 16 and the driven bevel gear 15. Two oppositely moving nuts are connected with two push plates 12 respectively, and the outer end of the push plate 12 is connected with the L-shaped inner supporting block 13. When the motor 17 rotates, the two L-shaped inner supporting blocks 13 synchronously expand outward, and are precisely pressed against the inner corner area formed by the adjacent two side plates of the cabinet body, thereby providing a strong rigid backing for the subsequent external welding.

[0034] It should be noted that, during assembly, the cabinet body is first formed by four side walls, and then the lifting machine 5 located above the assembly table 1 is moved along the hoisting rail 4 to directly above the work station. The clamping unit at the lower end of the lifting machine 5 grabs the prefabricated cabinet table top, accurately places it at the opening at the top of the cabinet body, and provides a downward pressure. Then, the four vertical corner seams of the cabinet body are welded, and the welding direction is from bottom to top or from top to bottom, that is, the mounting frame 10 moves under the action of the electric push rod 11, the moving direction of the mounting frame 10 is the same as the welding direction, so that the L-shaped inner supporting block 13 supports the welding point at all times. This structure is also used to achieve the processing effect of different sizes of cabinet bodies. The whole device is suitable for processing cabinet bodies of various sizes within a certain range.

[0035] The L-shaped inner support block 13 is internally provided with a plurality of cavities 1301, and a piston 18 is slidingly connected in the cavities 1301. One end of the piston 18 is fixedly connected with a push rod 19, and the other end is filled with a phase change medium between the piston 18 and the cavities 1301. The push rod 19 penetrates through the block of the L-shaped inner support block 13 and extends outward, and the two are slidingly connected. The outwardly extending end of the push rod 19 is fixedly connected with a resisting strip 20. The number of the resisting strips 20 is two, which are arranged on the outer sides of the two right angle edges of the L-shaped inner support block 13, respectively. A return spring 21 is further arranged between the resisting strip 20 and the L-shaped inner support block 13. The return spring 21 is used to make the resisting strip 20 adhere to the L-shaped inner support block 13. The L-shaped inner support block 13, the push rod 19 and the resisting strip 20 are all made of heat-conducting copper alloy material.

[0036] In order to solve the problem of welding thermal deformation, the L-shaped inner support block 13 is designed as an automatic response functional component. The L-shaped inner support block 13 is made of beryllium copper or chromium zirconium copper alloy with high thermal conductivity, and a plurality of sealed cylindrical cavities 1301 are formed in the inside. The cavities 1301 are filled with paraffin-based or liquid metal-based phase change medium with a specific phase change temperature, and are equipped with a sealed piston 18. The push rod 19 connected with the piston 18 penetrates through the block of the L-shaped inner support block 13, and the end is connected with the resisting strip 20 which directly contacts the inner wall of the cabinet. The resisting strip 20 and the L-shaped inner support block 13 are provided with a return spring 21, which is kept in a contracted state at normal temperature.

[0037] When the external welding equipment is welding the corner seam, the heat is quickly transmitted to the inside of the L-shaped inner support block 13 through the copper alloy material of the resisting strip 20. The phase change medium in the cavity 1301 is heated to undergo solid-liquid or liquid-gas phase change, and the volume is expanded rapidly, which pushes the piston 18 and the push rod 19 to displace outward. This action forces the resisting strip 20 to press the back of the cabinet weld with greater pressure. The greater the welding current, the higher the heat, and the greater the expansion pressure generated, thereby realizing the dynamic suppression of the thermal stress deformation of the weld area.

[0038] The outer surface of the resisting strip 20 is provided with a plurality of uniformly distributed protrusions, and a gas hole 2001 is formed in the gap between the protrusions. The resisting strip 20 is internally provided with a gas flow channel one 2002, and the gas hole 2001 is in communication with the gas flow channel one 2002. The L-shaped inner support block 13 is internally provided with a gas flow channel two 1302, which is connected with a protection gas injection device through a gas pipe. The push rod 19 adopts a hollow cylindrical structure, and the cylinder wall is provided with a ventilation opening 1901. The gas flow channel one 2002 and the gas flow channel two 1302 are in communication through the ventilation opening 1901. Inert protective gas enters the ventilation opening 1901 from the gas flow channel two 1302, then enters the gas flow channel one 2002 through the inside of the push rod 19, and finally is discharged to the contact surface between the resisting strip 20 and the counter through the gas hole 2001.

[0039] The protective gas injection device is connected to the gas flow channel two 1302 in the L-shaped inner support block 13 through a high-temperature-resistant hose. The gas then enters the air vents 1901 in the side wall of the push rod 19, passes through the hollow inner cavity of the push rod, and enters the gas flow channel one 2002 inside the abutting bar 20. Finally, the gas is uniformly sprayed from the gas holes 2001 densely distributed on the surface of the abutting bar 20.

[0040] This design achieves three functions: first, it forms an inert gas protection layer on the back of the weld to prevent oxidation; second, the flowing gas carries away the heat accumulated inside the system; third, the ejected gas flow forms an air cushion effect at the microscopic level, making the contact between the abutting bar 20 and the workpiece more uniform.

[0041] The two abutting bars 20 located in the same vertical corner joint are complementary in structure, forming a right-angle abutting structure on the contact surface of the vertical corner joint, forming a perfect right-angle abutting surface. For the horizontal corner joint at the top of the cabinet body, the abutting bar 20 located in the horizontal corner joint is directly designed as a right-angle profile, and the contact surface of the horizontal corner joint is a right-angle abutting structure, ensuring full coverage and support for all edges of the cabinet body.

[0042] After the welding of the four side walls is completed, the automatic welding equipment around the assembly table 1 then completes the edge welding of the table top and the side walls, and the grinding equipment immediately intervenes to provide rigid support with the inner expansion unit, grinding and polishing all the welds, and finally completing the overall manufacturing of the cabinet table.

[0043] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A multi-station assembly device for bank steel counters, comprising an assembly station (1), characterized in that, Four linear electric slide rails (2) are arranged around the assembling table (1), the moving end of the linear electric slide rail (2) is provided with a turnover clamping assembly, four linear electric slide rails (2) are also connected to four cutting devices (3) respectively, the plate is adsorbed and fixed by the turnover clamping assembly, and after being cut and formed by the cutting device (3), it is conveyed to the position close to the assembling table (1) by the linear electric slide rail (2), after the formed plate moves out of the cutting device (3), the formed plate is turned over from the horizontal state to the vertical state by the turnover clamping assembly and is butt-jointed, so that four formed plates are spliced into a cabinet body, at this time, the turnover clamping assembly is located in the cabinet body, an inner expanding unit is also arranged in the turnover clamping assembly and is used for internally abutting four inner wall corners of the cabinet body, a hoisting track (4) is arranged above the assembling table (1), the moving end of the hoisting track (4) is fixedly connected with an elevator (5), the lifting end of the elevator (5) is provided with a clamping unit for clamping and fixing the cutting cabinet top, and welding equipment and polishing equipment are also arranged around the assembling table (1); The turnover clamping assembly comprises a turnover frame (6), the turnover part of the turnover frame (6) is fixedly connected with an adsorption plate (7), the adsorption plate (7) is driven to turn over towards the direction of the cutting device (3) through the turnover frame (6), an electromagnetic chuck array (8) is arranged on the plate body of the adsorption plate (7), and the electromagnetic chuck array (8) is used for adsorbing and fixing the plate; The four linear electric slide rails (2) are staggered in height, the moving end of one linear electric slide rail (2) at the high position is fixedly connected with the bottom wall of the turnover frame (6), and the moving ends of the other three linear electric slide rails (2) are fixedly connected with lifting tables (9), and the lifting end of the top of the lifting table (9) is fixedly connected with the bottom wall of the turnover frame (6); The inner expanding unit comprises a mounting frame (10), the mounting frame (10) is embedded and slidably connected in the sliding groove (701) formed in the bottom of the adsorption plate (7), the side wall of the mounting frame (10) and the side wall of the sliding groove (701) are connected through an electric push rod (11), the mounting frame (10) is slid in the sliding groove (701) through the electric push rod (11), a left-right screw rod module is arranged in the middle of the mounting frame (10) and perpendicular to the sliding direction of the mounting frame (10), two output ends of the left-right screw rod module are fixedly connected with two push plates (12) respectively, the side wall of the push plate (12) is slidably connected to the inner wall of the mounting frame (10), one side of the push plate (12) penetrates through the mounting frame (10) and extends outward, and an L-shaped inner supporting block (13) is fixedly connected to the extended side of the push plate (12).

2. A multi-station modular processing apparatus for bank steel teller counters as claimed in claim 1, wherein, The left and right screw module comprises a left and right screw (14) and two reverse moving screw nuts, the two screw nuts are fixedly connected with two push plates (12) respectively, the middle part of the left and right screw (14) is fixedly connected with a driven bevel gear (15), the tooth end of the driven bevel gear (15) is meshingly connected with a driving bevel gear (16), the center of the driving bevel gear (16) is fixedly connected with the output end of a motor (17), and the outer wall of the motor (17) is fixedly connected with the outer wall of a mounting frame (10).

3. The multi-station assembly apparatus for bank steel teller counters as claimed in claim 1 wherein, A plurality of cavities (1301) are formed in the L-shaped inner support block (13), a piston (18) is slidably connected in the cavity (1301), one end of the piston (18) is fixedly connected with a push rod (19), and the other end is filled with a phase change medium between the cavity (1301), the push rod (19) penetrates the block of the L-shaped inner support block (13) and extends outward, and the two are slidably connected, the outward extending end of the push rod (19) is fixedly connected with a resisting strip (20), the number of the resisting strip (20) is two, which are arranged on the outer sides of the two right angle edges of the L-shaped inner support block (13), a return spring (21) is further arranged between the resisting strip (20) and the L-shaped inner support block (13), the return spring (21) is used for making the resisting strip (20) and the L-shaped inner support block (13) fit, and the L-shaped inner support block (13), the push rod (19) and the resisting strip (20) are made of heat-conducting copper alloy material.

4. A multi-station modular processing apparatus for bank steel teller counters as defined in claim 3, wherein, A plurality of uniformly distributed protrusions are arranged on the outer surface of the resisting strip (20), a gas hole (2001) is formed in the gap between the protrusions, and a gas flow channel one (2002) is formed in the interior of the resisting strip (20), the gas hole (2001) and the gas flow channel one (2002) are in communication, the L-shaped inner support block (13) is internally provided with a gas flow channel two (1302), the gas flow channel two (1302) is connected with a protective gas injection device through a gas pipe, the push rod (19) adopts a hollow cylindrical structure, and a ventilation opening (1901) is formed in the cylinder wall, the gas flow channel one (2002) and the gas flow channel two (1302) are in communication through the ventilation opening (1901), the inert protective gas enters the ventilation opening (1901) from the gas flow channel two (1302), then is injected into the gas flow channel one (2002) through the interior of the push rod (19), and finally is discharged to the contact surface of the resisting strip (20) and the counter through the gas hole (2001).

5. The multi-station assembly apparatus for bank teller steel counter as claimed in claim 3 wherein, The two resisting strips (20) located in the same vertical corner joint are spliced with each other, so that the contact surface of the vertical corner joint forms a right angle contact structure, and the contact surface of the resisting strip (20) located in the horizontal corner joint and the horizontal corner joint is a right angle contact structure.

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