Pneumatic clamp for welding air spring cover plate

Abstract

The invention discloses a pneumatic clamp for welding an air spring cover plate, and relates to the technical field of pneumatic clamps, the pneumatic clamp comprises a machining table, a support frame and a cylinder, the telescopic end of the cylinder penetrates through the support frame and is fixedly provided with a rubber chuck, the machining table is C-shaped, and a movable carrying table is arranged in the inner side of the machining table; a rectangular fixing seat which is fixedly connected with the inner wall of the top end of the supporting frame sleeves a rod body of a telescopic rod of the air cylinder, and an impurity treatment mechanism is arranged on the fixing seat; through the arrangement of the movable carrying plate, after the spring cover plate is welded on the machining table, the air cylinder is started, and when the rubber chuck slides upwards to be away from the spring cover plate, the movable carrying plate only needs to be rapidly pulled towards one side, so that the rail limiting strip slides in the rail limiting groove, and the movable carrying plate can carry the spring cover plate to deviate from the position under the rubber chuck; and therefore, the spring cover plate can be conveniently taken and replaced by a worker in an area far away from the position under the rubber chuck, and the situation that fingers are injured by clamping of the rubber chuck due to direct manual operation under the rubber chuck is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of pneumatic clamps, and in particular to a pneumatic clamp for welding an air spring cover plate. Background Art

[0002] Air springs are mainly spring components prepared by compressing air in a sealed elastic space. They have a relatively simple structure and are mainly composed of a sealed air elastic component and a cover component. The covers at both ends of some air springs are made of metal, and welding technology is required during installation.

[0003] During welding, a cylinder clamp is usually used to press the spring metal cover from top to bottom to ensure the stability of the spring metal cover and avoid slippage during processing of the spring metal cover, which affects the welding quality.

[0004] However, the placement of the spring metal cover on the welding operating table is mostly done manually, and manual loading and unloading is inevitably prone to negligence. Once the operation is not timely, it is very easy for the manual fingers to be pinched by the cylinder, affecting personal safety. Summary of the invention

[0005] In order to solve the above technical problems, a pneumatic clamp for welding air spring cover plates is provided, which solves the problem that the placement of spring metal cover plates on the welding operating table in the prior art is mostly manual operation for loading and unloading. Manual loading and unloading is inevitably prone to negligence. Once the operation is not timely, it is very easy for the manual fingers to be pinched by the cylinder, affecting personal safety.

[0006] To achieve the above purpose, the technical solution adopted by the present invention is: a pneumatic clamp for welding an air spring cover plate, comprising a processing table, a support frame fixed on one side of the processing table in an inverted L shape, and a cylinder vertically installed on the top of the support frame, the telescopic end of the cylinder passes through the support frame and is fixed with a rubber chuck, the processing table is C-shaped, a movable carrier for transporting workpieces is arranged on the inner side of the processing table, a rectangular fixing seat is sleeved on the rod body of the cylinder telescopic rod and fixedly connected to the inner wall of the top end of the support frame, and an impurity treatment mechanism for assisting in cleaning the rod body of the cylinder telescopic rod is arranged on the fixing seat;

[0007] The movable platform comprises a movable carrier plate slidably arranged inside the processing platform, and inner walls on both sides of the processing platform are provided with limited track grooves, and limited track bars fixedly connected to the side walls of the movable carrier plate are slidably arranged in the limited track grooves;

[0008] The impurity handling mechanism includes two brush rings that are arc-shaped and symmetrically distributed on the inner side of the fixed seat, two push-pull plates that are symmetrically slidably arranged on both sides of the fixed seat, a first transmission component arranged between the two push-pull plates, and a push-pull action component arranged on one of the push-pull plates. The telescopic rod of the cylinder is located between the two brush rings, a push-pull rod is fixed between the brush ring and the push-pull plate, and the push-pull rod is retracted in the inner side wall of the fixed seat. A second transmission component is arranged between the push-pull action component and the movable carrier plate.

[0009] Preferably, the first transmission component includes two transmission racks which are staggered up and down on a side wall of the fixed seat, a transmission column rotatably connected to the side wall of the fixed seat is provided between the two transmission racks, and a transmission gear meshing with the transmission rack is fastened and sleeved on the rod body of the transmission column.

[0010] Preferably, the push-pull component includes a rectangular sleeve with an open end, an internal threaded tube transversely arranged on the inner side of the rectangular sleeve, and an external threaded block threadedly connected to the internal threaded tube, the open end of the rectangular sleeve is vertically fixed to the inner wall of the support frame, a square rod is vertically fixed on one surface of the external threaded block, the square rod passes through the rectangular sleeve and is fixedly connected to one of the push-pull plates.

[0011] Preferably, the second transmission component includes a fixed rack fixedly embedded on the bottom surface of the movable carrier and an active rod laterally arranged on one side below the movable carrier, one end of the active rod is tightly sleeved with a driving gear meshing with the fixed rack, and a bearing seat fixedly connected to the bottom surface of the processing table is rotatably sleeved on the rod body of the active rod.

[0012] Preferably, a drive groove is opened on the side wall of the vertical section of the support frame, and a transmission belt is built in the drive groove. One end of the internal threaded cylinder is rotated to penetrate into the drive groove and is tightly sleeved with a first pulley, and the other end of the active rod is tightly sleeved with a second pulley, and the transmission belt is connected between the first pulley and the second pulley.

[0013] Preferably, two guide rods are symmetrically arranged on a side of the push-pull plate away from the fixing seat, and the guide rods penetrate the push-pull plate and are fixedly connected to the fixing seat.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] (1) By setting up the movable carrier, after the spring cover is welded on the processing table, the cylinder is turned on to make the rubber chuck slide up and away from the spring cover. The movable carrier only needs to be quickly pulled to one side so that the limit rail slides in the limit rail groove. In this way, the movable carrier can carry the spring cover away from the bottom of the rubber chuck, thereby facilitating manual replacement of the spring cover in an area far away from the bottom of the rubber chuck, avoiding manual operation directly under the rubber chuck, which may cause fingers to be pinched by the rubber chuck.

[0016] (2) Through the setting of the impurity handling mechanism, when the cylinder is started and the rubber chuck moves upward away from the spring cover plate, the two brush rings in the impurity handling mechanism slide towards each other and fit the cylinder telescopic rod. The brush rings can effectively and continuously scrape and clean the impurities on the telescopic rod when the cylinder telescopic rod is retracted, thereby preventing the impurities from entering the inner cavity of the cylinder along with the movement of the cylinder telescopic rod and affecting the service life of the cylinder.

[0017] (3) Through the arrangement of the first and second transmission components, the push-pull component and the push-pull plate, when the spring cover plate is welded and the movable carrier plate is pulled out, the spring cover plate deviates from the bottom of the rubber chuck. The push-pull component can apply a thrust to one of the push-pull plates under the action of the second transmission component, causing the push-pull plate to slide toward the fixed seat. Meanwhile, the other push-pull plate slides toward the fixed seat synchronously under the first transmission component. Then, the two push-pull plates slide together synchronously, and the corresponding brush rings are pushed by the push-pull rod synchronously, so that the two brush rings slide together and fit the cylinder telescopic rod, so that the brush rings and the movable carrier plate cooperate with each other, thereby improving the working efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of one side of the present invention;

[0019] Figure 2 It is a schematic diagram of the overall bottom structure of the present invention;

[0020] Figure 3 For the present invention Figure 2 Schematic diagram of the structure at A in the middle;

[0021] Figure 4 It is a schematic diagram of the internal structure of the fixing seat of the present invention.

[0022] The numbers in the figure are:

[0023] 1. Processing table; 2. Support frame; 3. Cylinder; 4. Rubber chuck; 5. Movable carrier plate; 6. Track limiter; 7. Fixed seat; 8. Brush ring; 9. Push-pull plate; 10. Push-pull rod; 11. Transmission rack; 12. Transmission gear; 13. Guide rod; 14. Rectangular sleeve; 15. Internal threaded cylinder; 16. External threaded block; 17. Square rod; 18. Drive groove; 19. Fixed rack; 20. Active rod; 21. Active gear; 22. Bearing seat; 23. Transmission belt. DETAILED DESCRIPTION

[0024] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0025] Reference Figure 1-4 As shown, a pneumatic clamp for welding an air spring cover plate comprises a processing table 1, a support frame 2 fixed to one side of the processing table 1 in an inverted L shape, and a cylinder 3 vertically installed on the top of the support frame 2, wherein the telescopic end of the cylinder 3 penetrates the support frame 2 and is fixed with a rubber chuck 4;

[0026] When in use, the spring cover to be processed is placed on the processing table 1 in advance, and then the cylinder 3 is turned on. The telescopic end of the cylinder 3 drives the rubber chuck 4 downward until it contacts the spring cover, which can effectively press the spring cover from top to bottom, thereby ensuring the stability of the spring cover during welding.

[0027] However, in practice, the placement of the spring metal cover on the processing table 1 is mostly done manually, and manual loading and unloading is inevitably prone to negligence. Once the operation is not timely, it is very easy to cause manual fingers to be pinched by the rubber chuck 4, affecting personal safety.

[0028] Further, refer to Figure 1 and Figure 2 As shown, it is worth noting that the processing table 1 is C-shaped, and a movable carrier for transferring workpieces is provided on the inner side of the processing table 1;

[0029] The movable platform includes a movable carrier plate 5 slidably arranged inside the processing platform 1, and the inner walls on both sides of the processing platform 1 are provided with limited track grooves, and the limited track grooves are slidably provided with limited track bars 6 fixedly connected to the side walls of the movable carrier plate 5;

[0030] By setting the movable carrier, after the welding of the spring cover plate on the processing table 1 is completed, the cylinder 3 is turned on to cause the rubber clamp 4 to slide up and away from the spring cover plate. The movable carrier 5 only needs to be quickly pulled to one side to make the limit track bar 6 slide in the limit track groove. In this way, the movable carrier 5 can carry the spring cover plate to deviate from the rubber clamp 4 directly below, thereby facilitating manual replacement of the spring cover plate in the area away from the rubber clamp 4 directly below, avoiding manual operation directly below the rubber clamp 4, and causing fingers to be pinched by the rubber clamp 4.

[0031] Although the above embodiment utilizes a movable carrier to facilitate manual replacement of the spring cover plate in an area away from directly below the rubber chuck 4, the welding slag generated by the welding process of the spring cover plate is very easy to splash onto the telescopic rod of the cylinder 3, and then the welding slag enters the inner cavity of the cylinder 3 along with the contraction of the telescopic rod, which can easily cause damage to the built-in components of the cylinder 3 and affect the service life of the cylinder 3.

[0032] For this purpose, refer to Figure 2-4 As shown, it is worth noting that a rectangular fixing seat 7 is sleeved on the rod body of the telescopic rod of the cylinder 3 and fixedly connected to the inner wall of the top end of the support frame 2, and an impurity treatment mechanism for assisting in cleaning the rod body of the telescopic rod of the cylinder 3 is provided on the fixing seat 7;

[0033] The impurity handling mechanism comprises two brush rings 8 which are arc-shaped and symmetrically distributed inside the fixing seat 7, and the telescopic rod of the cylinder 3 is located between the two brush rings 8;

[0034] Through the setting of the impurity handling mechanism, when the cylinder 3 is started and the rubber chuck 4 moves upward away from the spring cover plate, the two brush rings 8 in the impurity handling mechanism slide close to each other and fit the telescopic rod of the cylinder 3, so that the brush ring 8 can effectively and continuously scrape and clean the impurities on the telescopic rod when the telescopic rod of the cylinder 3 contracts, thereby preventing impurities from entering the inner cavity of the cylinder 3 along with the movement of the telescopic rod of the cylinder 3, thereby affecting the service life of the cylinder 3.

[0035] Further, refer to Figure 4 As shown, it is worth noting that the impurity handling mechanism also includes two push-pull plates 9 symmetrically and slidably arranged on both sides of the fixed seat 7, a first transmission component arranged between the two push-pull plates 9, and a push-pull action component arranged on one of the push-pull plates 9. A push-pull rod 10 is fixed between the brush ring 8 and the push-pull plate 9, and the push-pull rod 10 is inserted and retracted in the inner side wall of the fixed seat 7. A second transmission component is arranged between the push-pull action component and the movable carrier plate 5;

[0036] Through the arrangement of the first and second transmission components, the push-pull component and the push-pull plate 9, when the welding process of the spring cover is completed, the movable carrier plate 5 is pulled out to make the spring cover deviate from the bottom of the rubber chuck 4, the push-pull component can apply a thrust to one of the push-pull plates 9 under the action of the second transmission component, causing the push-pull plate 9 to slide toward the fixed seat 7, and the other push-pull plate 9 synchronously slides toward the fixed seat 7 under the first transmission component, and then the two push-pull plates 9 synchronously slide close to each other, and the corresponding brush rings 8 are pushed by the push-pull rod 10 synchronously, so that the two brush rings 8 slide close to each other and fit the telescopic rod of the cylinder 3, so that the brush rings 8 and the movable carrier plate 5 cooperate with each other to improve the working efficiency.

[0037] Further, refer to Figure 3 As shown, it is worth noting that the first transmission component includes two transmission racks 11 staggered up and down on a side wall of the fixed seat 7, a transmission column rotatably connected to the side wall of the fixed seat 7 is arranged between the two transmission racks 11, and a transmission gear 12 meshing with the transmission rack 11 is fastened and sleeved on the rod of the transmission column;

[0038] When the push-pull component applies a thrust to one of the push-pull plates 9, the push-pull plate 9 is forced to slide toward the fixed seat 7 and push the correspondingly connected transmission rack 11 to slide on the side wall of the fixed seat 7, so that the transmission rack 11 is meshed with the transmission gear 12, and then the transmission gear 12 is forced to rotate and synchronously meshes with the transmission rack 11 correspondingly connected to the other push-pull plate 9, thereby causing the push-pull plate 9 on the other side to synchronously move closer to the fixed seat 7, so that the two brush rings 8 are closed and fit the telescopic rod of the cylinder 3.

[0039] Further, refer to Figure 4 As shown, it is worth noting that the push-pull action component includes a rectangular sleeve 14 with an open end, an internal threaded tube 15 transversely arranged inside the rectangular sleeve 14, and an external threaded block 16 threadedly connected to the internal threaded tube 15. The open end of the rectangular sleeve 14 is vertically fixed to the inner wall of the support frame 2, and a square rod 17 is vertically fixed on one surface of the external threaded block 16. The square rod 17 passes through the rectangular sleeve 14 and is fixedly connected to one of the push-pull plates 9;

[0040] When the movable carrier plate 5 is pulled and pulled, the internal threaded tube 15 in the push-pull action component can rotate under the action of the second transmission component, and then the external thread block 16 slides along the inner side of the internal threaded tube 15 under the threaded structure, thereby using the square rod 17 to push the corresponding push-pull plate 9 to slide toward the fixed seat 7.

[0041] Further, refer to Figure 2 and Figure 4 As shown, it is worth noting that the second transmission component includes a fixed rack 19 fixedly embedded on the bottom surface of the movable carrier plate 5 and an active rod 20 transversely arranged on one side below the movable carrier plate 5, one end of the active rod 20 is tightly sleeved with a driving gear 21 meshing with the fixed rack 19, and a bearing seat 22 fixedly connected to the bottom surface of the processing table 1 is rotatably sleeved on the rod body of the active rod 20;

[0042] A driving groove 18 is provided on the side wall of the vertical section of the support frame 2, and a transmission belt 23 is built in the driving groove 18. One end of the internal threaded cylinder 15 rotates and penetrates into the driving groove 18 and is tightly sleeved with a first pulley. The other end of the active rod 20 is tightly sleeved with a second pulley, and the transmission belt 23 is transmission-connected between the first pulley and the second pulley.

[0043] When pulling the movable carrier plate 5, the fixed rack 19 can mesh with the driving gear 21 in real time, thereby rotating the active rod 20 and the second pulley, whereby the transmission belt 23 transmits the first pulley when the second pulley rotates, providing rotation for the internal threaded cylinder 15, so that the square rod 17 applies thrust to one of the push-pull plates 9.

[0044] Further, refer to Figure 4As shown, it is worth noting that two guide rods 13 are symmetrically arranged on one side of the push-pull plate 9 away from the fixed seat 7, and the guide rods 13 penetrate the push-pull plate 9 and are fixedly connected to the fixed seat 7;

[0045] By providing the two guide rods 13 , when the push-pull plate 9 is moved under force, the two guide rods 13 cooperate with each other to effectively limit the moving track of the push-pull plate 9 and ensure the stability of the push-pull plate 9 during movement.

[0046] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A pneumatic clamp for welding an air spring cover, comprising a processing table (1), a support frame (2) fixed to one side of the processing table (1) in an inverted L shape, and a cylinder (3) vertically mounted on the top of the support frame (2), wherein the telescopic end of the cylinder (3) passes through the support frame (2) and is fixed with a rubber chuck (4), characterized in that: The processing table (1) is C-shaped, and a movable carrier for transporting workpieces is arranged on the inner side of the processing table (1). A rectangular fixing seat (7) is sleeved on the body of the telescopic rod of the cylinder (3) and is fixedly connected to the inner wall of the top end of the support frame (2). The fixing seat (7) is provided with an impurity treatment mechanism for assisting in cleaning the body of the telescopic rod of the cylinder (3); The movable platform comprises a movable carrier plate (5) slidably arranged inside the processing platform (1), and inner walls on both sides of the processing platform (1) are provided with limited track grooves, and limited track bars (6) fixedly connected to the side walls of the movable carrier plate (5) are slidably arranged in the limited track grooves; The impurity handling mechanism comprises two brush rings (8) in an arc shape and symmetrically distributed on the inner side of the fixed seat (7), two push-pull plates (9) symmetrically slidably arranged on both sides of the fixed seat (7), a first transmission component arranged between the two push-pull plates (9), and a push-pull action component arranged on one of the push-pull plates (9), the telescopic rod of the cylinder (3) is located between the two brush rings (8), a push-pull rod (10) is fixed between the brush ring (8) and the push-pull plate (9), and the push-pull rod (10) is retracted in the inner side wall of the fixed seat (7), and a second transmission component is arranged between the push-pull action component and the movable carrier plate (5).

2. A pneumatic clamp for welding an air spring cover according to claim 1, characterized in that: The first transmission component comprises two transmission racks (11) which are staggered up and down and arranged on a side wall of the fixed seat (7); a transmission column which is rotatably connected to the side wall of the fixed seat (7) is arranged between the two transmission racks (11); and a transmission gear (12) which meshes with the transmission racks (11) is tightly sleeved on the rod body of the transmission column.

3. A pneumatic clamp for welding an air spring cover according to claim 2, characterized in that: The push-pull component comprises a rectangular sleeve (14) with an open end, an internal threaded tube (15) transversely arranged inside the rectangular sleeve (14), and an external threaded block (16) threadedly connected to the internal threaded tube (15); the open end of the rectangular sleeve (14) is vertically fixed to the inner wall of the support frame (2); a square rod (17) is vertically fixed on one surface of the external threaded block (16); the square rod (17) passes through the rectangular sleeve (14) and is fixedly connected to one of the push-pull plates (9).

4. The pneumatic clamp for welding an air spring cover according to claim 3, characterized in that: The second transmission component comprises a fixed rack (19) fixedly embedded in the bottom surface of the movable carrier plate (5) and an active rod (20) arranged transversely on one side below the movable carrier plate (5); one end of the active rod (20) is tightly sleeved with an active gear (21) meshing with the fixed rack (19); and a bearing seat (22) fixedly connected to the bottom surface of the processing table (1) is rotatably sleeved on the rod body of the active rod (20).

5. The pneumatic clamp for welding an air spring cover according to claim 4, characterized in that: A driving groove (18) is provided on the side wall of the vertical section of the support frame (2), and a transmission belt (23) is built in the driving groove (18). One end of the internal threaded cylinder (15) is rotated to penetrate into the driving groove (18) and is tightly sleeved with a first pulley, and the other end of the active rod (20) is tightly sleeved with a second pulley, and the transmission belt (23) is transmission-connected between the first pulley and the second pulley.

6. The pneumatic clamp for welding an air spring cover according to claim 1, characterized in that: Two guide rods (13) are symmetrically arranged on a side of the push-pull plate (9) away from the fixed seat (7); the guide rods (13) penetrate the push-pull plate (9) and are fixedly connected to the fixed seat (7).

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