Clamping device for rear floor boundary beam

Abstract

The utility model relates to the technical field of rear floor edge beam machining, and discloses a rear floor edge beam clamping device which comprises a machining table, two sets of sliding grooves are formed in the top of the machining table in a penetrating mode, clamping assemblies are connected into the sliding grooves in a sliding mode and used for clamping edge beams, the bottom of the machining table is rotationally connected with a driving assembly, and the driving assembly is used for driving the edge beams to rotate. The driving assembly is used for driving the clamping assemblies to clamp the edge beam, and the adjusting assemblies are arranged on the front sides of the opposite ends of the two clamping assemblies and used for driving the two clamping assemblies to move oppositely or oppositely at the same time. An external driving source drives a third gear to rotate and drives two L-shaped plates to move oppositely, then clamping plates are pulled through a connecting shaft and a sliding base to get close to the middle of the machining table, the two side beams are clamped at the two ends of the reinforcing cross beam, and therefore the purposes that after the two side beams are clamped, the distance between the two side beams is adjusted, and the reinforcing cross beam is welded conveniently are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of rear floor side beam processing, in particular to a clamping device for a rear floor side beam. Background Art

[0002] The rear floor side beam refers to the rear half of the bottom frame of the car. There are multiple reinforcing beams welded between the rear floor side beams to reinforce the connection between the two side beams and form a square shape to ensure the stability of the rear floor.

[0003] A Chinese patent with an application date of 2022-04-14 and a publication number of CN218052179U discloses a clamping device for processing rear floor side beams, including a mounting plate and a clamping mechanism; a bracket is connected to the inner ring of the mounting plate, and a clamping mechanism is provided on the bottom surface of the bracket; a mounting plate of the clamping mechanism rotates along the mounting plate and is connected to the mounting plate through a limit member, and movable plates are slidably provided on both sides of the mounting plate, and a clamping plate is provided at one end of the movable plate away from the mounting plate, a driving member is provided on the bracket, and a rotating shaft of the driving member passes through the bracket and is connected to the mounting plate, a driven gear is provided at the top of the rotating shaft, the driven gear is meshed and connected with the driving gear, and the driving gear is connected to the output end of the driving motor; the clamping device of the utility model has high flexibility, is convenient for clamping the rear floor side beam, and has the advantages of simple structure and high clamping efficiency.

[0004] In this technical solution, by controlling the operation of the double-axis cylinder, the piston plates are driven to move closer to each other, and the piston plates move the two clamping plates closer to each other through the moving plate, thereby clamping the rear floor side beam. However, when welding the two side beams to the reinforcing cross beam, it is difficult to ensure the clamping and fixing effect of the two side beams, and it is not convenient to adjust the distance between the two side beams, so further improvement can be made. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the shortcomings of the prior art, the utility model provides a clamping device for the rear floor side beam, which has the advantages of clamping the two side beams separately and facilitating the adjustment of the spacing, thereby facilitating the welding of the side beams and the reinforced cross beams, thereby solving the problem of difficulty in meeting the clamping requirements for the side beams when welding the two side beams and the reinforced cross beams.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned purpose of clamping the two side beams separately and facilitating the adjustment of the spacing, thereby facilitating the welding of the side beams and the reinforcing cross beams, the utility model provides the following technical solutions: a clamping device for the side beams of the rear floor, comprising a processing table, two groups of slide grooves are opened through the top of the processing table, and a clamping assembly is slidably connected in the slide groove, and the clamping assembly is used to clamp the side beams, and a driving assembly is rotatably connected to the bottom of the processing table, and the driving assembly is used to drive the clamping assembly to clamp the side beams, and adjustment assemblies are provided on the front sides of the opposite ends of the two groups of the clamping assemblies, and the adjustment assembly is used to drive the two groups of clamping assemblies to move toward or away from each other at the same time, a baffle is fixedly installed on the front side of the top of the processing table, and two groups of hydraulic cylinders are fixedly installed on the rear side of the top of the processing table, and a support rod is fixedly installed on the output end of the top of the hydraulic cylinder.

[0009] Preferably, the clamping assembly includes two groups of fixed seats fixedly installed on the bottom of the processing table, the two groups of fixed seats are respectively located under the two groups of slide grooves, a slide rail is fixedly installed on the top of the fixed seat, two groups of slide seats are slidably connected in the slide rail, the slide seat is slidably connected in the slide groove, a clamping plate is fixedly installed on the top of the slide seat, a connecting shaft is penetrated through the middle of the two groups of slide seats, two groups of threaded grooves in opposite directions are opened on the surface of the connecting shaft, threaded holes are opened on the two groups of slide seats, the slide seats are threadedly connected to the threaded grooves opened on the connecting shaft through the threaded holes, and sleeves are fixedly installed on the opposite ends of the two groups of connecting shafts.

[0010] Preferably, the driving assembly includes a rotating shaft rotatably connected to the bottom of the processing table, a gear one is fixedly installed in the middle of the rotating shaft, and the gear one is meshed with gear two. Turntables are fixedly installed at both ends of the rotating shaft, and blocks are arranged in an array on the circumferential surface of the turntable. The turntable is slidably connected in a sleeve, and an embedding groove is provided on the inner wall of the sleeve corresponding to the embedding block, and the embedding block is slidably connected in the embedding groove.

[0011] Preferably, the diameter of the turntable is equal to the inner diameter of the sleeve, the turntable is slidably connected in the sleeve, and the inner diameter of the sleeve opening is equal to the diameter of the turntable.

[0012] Preferably, the adjustment assembly includes two groups of rings sleeved on the outside of the two groups of sleeves, both sides of the rings abut against limit rings, the limit rings are fixedly installed on the outside of the sleeves, the front sides of the two groups of rings are fixedly installed with connecting plates, the two groups of connecting plates are penetrated by guide rods, the two groups of connecting plates are slidably connected to the guide rods, the guide rods are fixedly installed on the bottom of the processing table, the front ends of the connecting plates are fixedly installed with L-shaped plates, the two groups of L-shaped plates are distributed up and down, the two groups of L-shaped plates have arrays of latch teeth on opposite sides, a gear three is arranged between the two groups of L-shaped plates, and the two groups of L-shaped plates are meshed with the upper and lower sides of the gear three through the latch teeth.

[0013] Preferably, the slide rail is composed of two groups of buckle plates with L-shaped cross-sections, flanges are provided on both sides of the bottom end of the slide seat, and the slide seat is slidably connected between the two groups of buckle plates through the flanges.

[0014] Preferably, the clamping plate is located in the middle between the blocking rod and the supporting rod, and the clamping plate is located on the upper side of the top of the supporting rod.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a clamping device for a rear floor side beam, which has the following beneficial effects:

[0017] 1. The clamping device of the rear floor side beam drives the second gear to rotate through an external driving source, thereby driving the assembly of the rotating shaft, the first gear and the turntable to rotate, and cooperates with the sliding connection between the embedded block and the embedded groove. When the embedded block follows the turntable to make a circular motion, it drives the assembly of the sleeve and the connecting shaft to rotate synchronously, so that the two groups of slide seats threadedly connected to the two thread grooves approach each other along the slide rail, and the two groups of clamping plates are clamped on both sides of the side beam to clamp and fix the side beam; thereby achieving the purpose of clamping and fixing the two groups of side beams;

[0018] 2. The clamping device of the rear floor side beam, then place the reinforcement beam on the top of the processing table and between the two side beams; then drive the gear 3 to rotate through the external driving source, drive the two L-shaped plates to move towards each other, thereby driving the assembly of the two sets of collars and connecting plates to approach each other along the guide rod, cooperate with the limiting function of the collar and the limiting ring, drive the two sets of sleeves to approach each other, and then pull the clamping plate to the middle of the processing table through the connecting shaft and the slide seat, and then drive the two side beams to approach each other, so that the two side beams are clamped at both ends of the reinforcement beam. In this way, the purpose of adjusting the distance between the two side beams after clamping the two side beams is achieved, which is convenient for welding the reinforcement beam. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional structural schematic diagram of a clamping device for a rear floor side beam proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of the lower side of a processing table of a clamping device for a rear floor side beam proposed by the utility model;

[0021] Figure 3 This is a three-dimensional structural schematic diagram of a clamping assembly of a clamping device for a rear floor side beam proposed by the utility model;

[0022] Figure 4 This is a three-dimensional structural schematic diagram of a driving assembly of a clamping device for a rear floor side beam proposed by the utility model;

[0023] Figure 5The utility model is a schematic diagram of the three-dimensional structure of an adjustment component of a clamping device for a rear floor side beam.

[0024] In the figure: 1, processing table; 2, slide; 3, clamping assembly; 4, driving assembly; 5, adjustment assembly; 6, stop rod; 7, hydraulic cylinder; 8, support rod; 31, fixed seat; 32, slide rail; 33, slide seat; 34, clamping plate; 35, connecting shaft; 36, threaded groove; 37, sleeve; 41, rotating shaft; 42, gear one; 43, gear two; 44, turntable; 45, embedded block; 46, embedded groove; 51, collar; 52, limit ring; 53, connecting plate; 54, guide rod; 55, L-shaped plate; 56, gear three. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-2 A clamping device for a rear floor side beam comprises a processing table 1, two groups of slide grooves 2 are provided on the top of the processing table 1, a clamping assembly 3 is slidably connected in the slide groove 2, the clamping assembly 3 is used to clamp the side beam, a driving assembly 4 is rotatably connected to the bottom of the processing table 1, the driving assembly 4 is used to drive the clamping assembly 3 to clamp the side beam, an adjustment assembly 5 is provided on the front side of one opposite end of the two groups of clamping assemblies 3, the adjustment assembly 5 is used to drive the two groups of clamping assemblies 3 to move towards or away from each other at the same time, a blocking rod 6 is fixedly installed on the front side of the top of the processing table 1, two groups of hydraulic cylinders 7 are fixedly installed on the rear side of the top of the processing table 1, and a supporting rod 8 is fixedly installed on the output end of the top of the hydraulic cylinder 7.

[0027] See also Figure 2-3The clamping assembly 3 includes two groups of fixed seats 31 fixedly installed at the bottom of the processing table 1. The two groups of fixed seats 31 are respectively located under the two groups of slide grooves 2. A slide rail 32 is fixedly installed on the top of the fixed seat 31. Two groups of slide seats 33 are slidably connected in the slide rail 32. The slide rail 32 is composed of two groups of gussets with L-shaped cross-sections. Flanges are provided on both sides of the bottom of the slide seat 33. The slide seat 33 is slidably connected between the two groups of gussets through the flange. The slide seat 33 is stably slidably connected in the slide rail 32. The slide seat 33 penetrates and slides in the slide groove 2. A clamping plate 34 is fixedly installed on the top of the slide seat 33. The side beam is clamped by two groups of clamping plates 34. The clamping plate 34 is located in the middle between the blocking rod 6 and the support rod 8, and the clamping plate 34 is located on the upper side of the top of the support rod 8. By placing the lower end of the side beam on the top of the processing table 1 and making the end of the side beam abut against the rear side of the barrier rod 6, the hydraulic cylinder 7 drives the support rod 8 to move up and down, adjusts the height of the support rod 8, and lifts it to the bottom of the higher end of the side beam through the support rod 8, so that the rear half of the side beam remains horizontal and the side beam is located between the two sets of clamping plates 34.

[0028] See also Figure 3-5 A connecting shaft 35 is provided through the middle of the two sets of slide seats 33. Two sets of threaded grooves 36 in opposite directions are provided on the surface of the connecting shaft 35. Both sets of slide seats 33 are provided with threaded holes. The slide seats 33 are threadedly connected to the threaded grooves 36 provided on the connecting shaft 35 through the threaded holes. Sleeves 37 are fixedly installed on opposite ends of the two sets of connecting shafts 35. Therefore, when the assembly of the connecting shaft 35 and the sleeve 37 rotates, the two sets of slide seats 33 respectively threadedly connected to the two sets of threaded grooves 36 move toward or away from each other at the same time. When the two sets of slide seats 33 move toward each other, the two sets of clamping plates 34 are driven to approach each other and clamp on both sides of one of the side beams to clamp and fix the side beam.

[0029] See also Figure 4 The driving assembly 4 includes a rotating shaft 41 rotatably connected to the bottom of the processing table 1. A gear 1 42 is fixedly installed in the middle of the rotating shaft 41. The gear 1 42 is meshed with a gear 2 43. A turntable 44 is fixedly installed at both ends of the rotating shaft 41. The turntable 44 is provided with an array of inserts 45 on the circumferential surface. The turntable 44 is slidably connected in the sleeve 37. The diameter of the turntable 44 is equal to the inner diameter of the sleeve 37. The turntable 44 is slidably connected in the sleeve 37. The inner diameter of the sleeve 37 opening is equal to the diameter of the turntable 44. An insert groove 46 is provided on the inner wall of the sleeve 37 corresponding to the insert block 45. The insert block 45 is slidably connected in the insert groove 46. An external driving source is provided at the center of the gear 2 43 to drive the gear 2 43 to rotate, thereby driving the assembly of the gear 1 42 and the rotating shaft 41 to rotate. Through the sliding connection between the embedding block 45 and the embedding groove 46 , the sleeve 37 is driven to rotate synchronously with the rotating shaft 41 , and during the rotation of the rotating shaft 41 and the sleeve 37 , the sleeve 37 can be sleeved on the rotating shaft 41 and slide.

[0030] See also Figure 5The adjustment assembly 5 includes two sets of collars 51 sleeved on the outside of the two sets of sleeves 37, and the collars 51 are rotatably connected to the sleeves 37. Both sides of the collars 51 are abutted against limit rings 52, and the limit rings 52 are fixedly installed on the outside of the sleeves 37. The collars 51 are limited by the two sets of limit rings 52. The front sides of the two sets of collars 51 are fixedly installed with connecting plates 53, and the two sets of connecting plates 53 are penetrated by guide rods 54. The two sets of connecting plates 53 are slidably connected to the guide rods 54, and the guide rods 54 are fixedly installed at the bottom of the processing table 1. The two sets of connecting plates 53 are guided and limited by the guide rods 54. The front ends of the connecting plates 53 are fixedly installed with L-shaped plates 55, and the two sets of L-shaped plates 55 are distributed up and down. The two sets of L-shaped plates 55 are arrayed on the opposite sides. Gears 3 56 are arranged between the two sets of L-shaped plates 55, and the two sets of L-shaped plates 55 are meshed on the upper and lower sides of the gear 3 56 through the gears. An external driving source is provided at the center of the gear three 56, which is used to drive the gear three 56 to rotate, thereby driving the two groups of L-shaped plates 55 to move toward or away from each other, and then driving the two groups of collars 51 and the connecting plate 53 assemblies to move toward or away from each other at the same time, and then cooperating with the limiting effect of the two groups of limiting rings 52, driving the two groups of sleeves 37 to move toward or away from each other. When the two groups of sleeves 37 move toward each other, they drive the two groups of side beams to move closer to each other, reducing the distance between the two side beams.

[0031] Working principle: Place the two side beams on the top of the processing table 1, place the lower end of the side beam against the rear side of the blocking rod 6, and make each side beam between the two sets of clamping plates 34, and drive the support rod 8 to move up and down through the extension and contraction of the output shaft of the hydraulic cylinder 7, so that the support rod 8 is lifted at the bottom of the higher end of the side beam, so that the side beam is kept in a horizontal state;

[0032] Then, the gear 2 43 is driven to rotate by an external driving source, thereby driving the assembly of the rotating shaft 41, the gear 1 42 and the rotating disk 44 to rotate. With the sliding connection between the insert 45 and the insert groove 46, the insert 45 follows the rotating disk 44 to make a circular motion, driving the assembly of the sleeve 37 and the connecting shaft 35 to rotate synchronously, so that the two sets of slide seats 33 threadedly connected to the two thread grooves 36 approach each other along the slide rail 32, and the two sets of clamping plates 34 clamp on both sides of the side beam to clamp and fix the side beam;

[0033] Then place the reinforcement beam on the top of the processing table 1 and between the two side beams; then drive the gear three 56 to rotate through an external driving source, drive the two L-shaped plates 55 to move toward each other, thereby driving the two sets of rings 51 and the connecting plate 53 to move closer to each other along the guide rod 54, cooperate with the limiting function of the ring 51 and the limiting ring 52, drive the two sets of sleeves 37 to move closer to each other, and then pull the clamping plate 34 to the middle of the processing table 1 through the connecting shaft 35 and the slide seat 33, thereby driving the two side beams to move closer to each other, so that the two side beams are clamped at both ends of the reinforcement beam.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A clamping device for a rear floor side beam, comprising a processing table (1), characterized in that: Two groups of slide grooves (2) are provided through the top of the processing table (1), and a clamping assembly (3) is slidably connected in the slide groove (2). The clamping assembly (3) is used to clamp the side beam. A driving assembly (4) is rotatably connected to the bottom of the processing table (1), and the driving assembly (4) is used to drive the clamping assembly (3) to clamp the side beam. Adjustment assemblies (5) are provided on the front sides of the two groups of clamping assemblies (3) at opposite ends. The adjustment assembly (5) is used to drive the two groups of clamping assemblies (3) to move towards or away from each other at the same time. A blocking rod (6) is fixedly installed on the front side of the top of the processing table (1), and two groups of hydraulic cylinders (7) are fixedly installed on the rear side of the top of the processing table (1). A support rod (8) is fixedly installed on the top output end of the hydraulic cylinder (7).

2. The clamping device for the rear floor side beam according to claim 1, characterized in that: The clamping assembly (3) comprises two groups of fixed seats (31) fixedly mounted on the bottom of the processing table (1), the two groups of fixed seats (31) are respectively located below the two groups of slide grooves (2), a slide rail (32) is fixedly mounted on the top of the fixed seat (31), two groups of slide seats (33) are slidably connected in the slide rail (32), the slide seats (33) penetrate and are slidably connected in the slide groove (2), a clamping plate (34) is fixedly mounted on the top of the slide seat (33), a connecting shaft (35) is penetrated through the middle of the two groups of slide seats (33), two groups of threaded grooves (36) in opposite directions are opened on the surface of the connecting shaft (35), the two groups of slide seats (33) are both opened with threaded holes, the slide seats (33) are threadedly connected to the threaded grooves (36) opened on the connecting shaft (35) through the threaded holes, and sleeves (37) are fixedly mounted on opposite ends of the two groups of connecting shafts (35).

3. The clamping device for the rear floor side beam according to claim 2, characterized in that: The driving assembly (4) comprises a rotating shaft (41) rotatably connected to the bottom of the processing table (1), a gear 1 (42) is fixedly mounted in the middle of the rotating shaft (41), the gear 1 (42) is meshed with a gear 2 (43), a rotating disk (44) is fixedly mounted at both ends of the rotating shaft (41), an array of embedded blocks (45) is arranged on the circumferential surface of the rotating disk (44), the rotating disk (44) is slidably connected in the sleeve (37), an embedded groove (46) is provided on the inner wall of the sleeve (37) corresponding to the embedded block (45), and the embedded block (45) is slidably connected in the embedded groove (46).

4. The clamping device for the rear floor side beam according to claim 3, characterized in that: The diameter of the rotating disk (44) is equal to the inner diameter of the sleeve (37); the rotating disk (44) is slidably connected in the sleeve (37); and the inner diameter of the opening of the sleeve (37) is equal to the diameter of the rotating disk (44).

5. The clamping device for the rear floor side beam according to claim 1, characterized in that: The adjustment assembly (5) comprises two groups of collars (51) sleeved on the outside of the two groups of sleeves (37), both sides of the collars (51) are in contact with limit rings (52), the limit rings (52) are fixedly mounted on the outside of the sleeves (37), the front sides of the two groups of collars (51) are fixedly mounted with connecting plates (53), the two groups of connecting plates (53) are penetrated by guide rods (54), the two groups of connecting plates (53) are slidably connected to the guide rods (54), the guide rods (54) are fixedly mounted on the bottom of the processing table (1), the front ends of the connecting plates (53) are fixedly mounted with L-shaped plates (55), the two groups of L-shaped plates (55) are distributed up and down, the two groups of L-shaped plates (55) are arrayed with latching teeth on opposite sides, a gear three (56) is arranged between the two groups of L-shaped plates (55), and the two groups of L-shaped plates (55) are meshed with the upper and lower sides of the gear three (56) through the latching teeth.

6. The clamping device for the rear floor side beam according to claim 2, characterized in that: The slide rail (32) is composed of two groups of buckle plates with L-shaped cross-sections. Flanges are arranged on both sides of the bottom end of the slide seat (33). The slide seat (33) is slidably connected between the two groups of buckle plates via the flanges.

7. The clamping device for the rear floor side beam according to claim 2, characterized in that: The clamping plate (34) is located in the middle between the blocking rod (6) and the supporting rod (8), and the clamping plate (34) is located on the upper side of the top of the supporting rod (8).

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