Pneumatic clamp for four-station tapping combination machine

Abstract

The utility model discloses a pneumatic clamp for a four-station tapping combination machine, and relates to the technical field of clamps, the pneumatic clamp comprises a base, the upper surface of the left part of the base is fixedly connected with a fixing frame, a tapping assembly is fixedly installed in an inner cavity of the upper part of the fixing frame, and a supporting turntable is fixedly installed on the upper surface of the right part of the base; and clamp assemblies are fixedly connected to the front, back, left and right parts of the upper surface of the supporting rotary disc, each clamp assembly comprises a supporting plate, and the lower surface of each supporting plate is fixedly connected with the upper surface of the supporting rotary disc. According to the pneumatic clamp for the four-station tapping combination machine, under the action of the telescopic rod and the spring, the second fixing plate can be tightly attached to a product when the product is fixed, so that the product cannot be damaged while the product is fixed, and due to the action of the sealing ring, the product cannot be damaged. And the fixing plate I and the sealing plate are sealed, so that internal parts are prevented from being corroded by the external environment, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to a pneumatic clamp used for a four-station tapping assembly machine. Background Art

[0002] Tapping machine is mainly used for processing through holes and screw holes of large quantities of gate valves. It is the most widely used internal thread processing machine. The tapping machine series consists of: desktop tapping machine, semi-automatic desktop tapping machine, vertical tapping machine, horizontal tapping machine; the fixture is a device used to fix the workpiece in the machining process so that it occupies the correct position to accept construction or inspection.

[0003] For example, the Chinese patent with publication number CN205362898U discloses a multi-axis four-station automatic tapping machine, including a base, on which a tapping machine, a pneumatic indexing plate, an inner hole lubrication nozzle and an air nozzle are respectively provided, a multi-axis device is provided on the tapping machine spindle, a plurality of taps are provided on the multi-axis device, a pneumatic indexing plate is provided on a rotary table, and the rotary table is provided with four stations for clamping, inner hole lubrication, tapping and chip blowing, the multi-axis device is located directly above the tapping station, and the inner hole lubrication nozzle and the air nozzle are respectively directed to the inner hole lubrication station and the chip blowing station. The tapping machine can lubricate, tap and blow chips on multiple holes at the same time, with high efficiency and safe operation.

[0004] The existing technology has the following problems:

[0005] The pneumatic clamp used for the four-station tapping combination machine cannot fix the product well during use, and is prone to damage the product surface during the fixing process, thus affecting the product quality. At the same time, the pneumatic clamp used for the four-station tapping combination machine is prone to product sliding when supporting the product, thus affecting the accuracy of the product. Utility Model Content

[0006] The utility model provides a pneumatic clamp for a four-station tapping assembly machine to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0008] A pneumatic clamp for a four-station tapping combination machine comprises a base, a fixing frame is fixedly connected to the upper surface of the left part of the base, a tapping assembly is fixedly installed in the inner cavity of the upper part of the fixing frame, a supporting turntable is fixedly installed on the upper surface of the right part of the base, and clamp assemblies are fixedly connected to the front, rear, left and right parts of the upper surface of the supporting turntable.

[0009] Preferably, the clamp assembly includes a support plate, the lower surface of the support plate is fixedly connected to the upper surface of the support turntable, the top of the inner cavity of the support plate is fixedly connected to a cylinder, the left and right sides of the outer wall of the piston rod of the lower part of the cylinder are fixedly connected to connecting plates, the upper surfaces of the opposite parts of the two connecting plates are fixedly connected to connecting rods, the outer walls of the two connecting rods are respectively movably connected to the inner cavity of the support plate, the upper surfaces of the two connecting rods are fixedly connected to arc plates, and the two arc plates are located above the support plate.

[0010] Preferably, a plurality of fixing components are evenly distributed on the lower surfaces of the two arc-shaped plates, and a protective component is fixedly connected to the upper surface of the support plate and is located between the two connecting rods.

[0011] Preferably, the fixing assembly includes a fixing plate 1, the upper surface of which is fixedly connected to the lower surface of the arc plate, the lower surface of which is fixedly connected to an arc-shaped limiting sleeve, the inner cavity of the arc-shaped limiting sleeve is movably sleeved with a sealing plate, and the lower surface of the sealing plate is fixedly connected to a fixing plate 2.

[0012] Preferably, a rubber pad is fixedly connected to the lower surface of the second fixing plate, and a wear-resistant layer is fixedly connected to the outer wall of the rubber pad.

[0013] Preferably, a telescopic rod is fixedly connected to the bottom of the inner cavity of the sealing plate, the upper surface of the telescopic rod is fixedly connected to the lower surface of the fixed plate one, the outer wall of the telescopic rod is movably sleeved with a spring, the outer wall of the spring is movably sleeved with the arc-shaped limit sleeve and the inner cavity of the sealing plate, and the upper and lower sides of the spring are respectively fixedly connected to the opposite surfaces of the sealing plate and the fixed plate one.

[0014] Preferably, a sealing ring is fixedly connected to the upper surface of the sealing plate, an outer wall of the sealing ring is movably sleeved with the inner cavity of the arc-shaped limiting sleeve, and an annular rubber pad is fixedly connected to the upper surface of the lower part of the sealing plate.

[0015] Preferably, the protective component includes a rubber sleeve, the lower surface of the rubber sleeve is fixedly connected to the upper surface of the support plate, the top of the inner cavity of the rubber sleeve is fixedly connected to support steel plate 2, the lower surface of support steel plate 2 is fixedly connected to a rubber interlayer, the lower surface of the rubber interlayer is fixedly connected to support steel plate 1, and the lower surface of support steel plate 1 is fixedly connected to the upper surface of the support plate.

[0016] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0017] 1. The utility model provides a pneumatic clamp for a four-station tapping combination machine. Through the action of a telescopic rod and a spring, a second fixing plate can fit tightly with a product when fixing the product, thereby fixing the product without causing damage to the product. Through the action of a sealing ring, a seal is formed between the first fixing plate and the sealing plate, thereby preventing the internal parts from being corroded by the external environment, thereby increasing the service life.

[0018] 2. The utility model provides a pneumatic clamp for a four-station tapping combination machine. Through the function of the supporting steel plate and the rubber interlayer, the product can have a certain buffer during processing. At the same time, through the function of the rubber sleeve, the product will not slide on the upper surface of the supporting plate when being fixed, thereby ensuring the stability of the product and making it easier for the tapping assembly to process the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a cross-sectional structural schematic diagram of the clamp assembly of the utility model;

[0021] Figure 3 This is an enlarged structural diagram of the utility model at A;

[0022] Figure 4 It is a cross-sectional structural schematic diagram of the fixing component of the utility model;

[0023] Figure 5 It is a schematic diagram of the enlarged structure of point B of the utility model.

[0024] In the figure: 1. base; 2. fixing frame; 3. supporting turntable; 4. clamp assembly; 5. tapping assembly; 41. supporting plate; 42. cylinder; 43. connecting plate; 44. connecting rod; 45. arc plate; 46. fixing assembly; 461. fixing plate one; 462. arc limit sleeve; 463. sealing plate; 464. fixing plate two; 465. rubber pad; 466. telescopic rod; 467. spring; 468. sealing ring; 469. annular rubber pad; 47. protective assembly; 471. rubber sleeve; 472. supporting steel plate one; 473. rubber interlayer; 474. supporting steel plate two. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] like Figure 1As shown, a pneumatic clamp for a four-station tapping assembly machine includes a base 1, a fixing frame 2 is fixedly connected to the upper surface of the left part of the base 1, a tapping assembly 5 is fixedly installed in the inner cavity of the upper part of the fixing frame 2, a supporting turntable 3 is fixedly installed on the upper surface of the right part of the base 1, and the front, rear, left and right parts of the upper surface of the supporting turntable 3 are fixedly connected to the clamp assembly 4;

[0027] Through the action of the clamp assembly 4, the product is fixed above the supporting turntable 3, and through the action of the supporting turntable 3, the fixed product is moved to the bottom of the tapping assembly 5, and through the action of the tapping assembly 5, the product is processed.

[0028] like Figure 2 As shown, the clamp assembly 4 includes a support plate 41, the lower surface of the support plate 41 is fixedly connected to the upper surface of the support turntable 3, the top of the inner cavity of the support plate 41 is fixedly connected to a cylinder 42, the left and right sides of the outer wall of the piston rod of the lower part of the cylinder 42 are fixedly connected to connecting plates 43, the upper surfaces of the opposite parts of the two connecting plates 43 are fixedly connected to connecting rods 44, the outer walls of the two connecting rods 44 are movably sleeved with the inner cavity of the support plate 41, the upper surfaces of the two connecting rods 44 are fixedly connected to arc plates 45, and the two arc plates 45 are located above the support plate 41; a number of fixing components 46 are evenly distributed on the lower surfaces of the two arc plates 45, and a protective component 47 is fixedly connected to the upper surface of the support plate 41, and the protective component 47 is located between the two connecting rods 44;

[0029] First, the staff places the product on the upper surface of the rubber sleeve 471, and then the cylinder 42 drives the connecting plate 43 to drive the connecting rod 44 to move downward, thereby moving the arc plate 45 downward, and through the action of the arc plate 45, several rubber pads 465 move downward to the upper surface of the product, thereby fixing the product.

[0030] like Figure 3 As shown, the protection component 47 includes a rubber sleeve 471, the lower surface of the rubber sleeve 471 is fixedly connected to the upper surface of the support plate 41, the inner cavity top of the rubber sleeve 471 is fixedly connected to a second support steel plate 474, the lower surface of the second support steel plate 474 is fixedly connected to a rubber interlayer 473, the lower surface of the rubber interlayer 473 is fixedly connected to a first support steel plate 472, and the lower surface of the first support steel plate 472 is fixedly connected to the upper surface of the support plate 41;

[0031] Through the action of the supporting steel plate 474 and the rubber interlayer 473, the product can be buffered to a certain extent during processing. At the same time, through the action of the rubber sleeve 471, the product will not slide on the upper surface of the supporting plate 41 when being fixed, thereby ensuring the stability of the product and making it easier for the tapping assembly 5 to process the product.

[0032] like Figure 4 , Figure 5 As shown, the fixing assembly 46 includes a fixing plate 461, the upper surface of which is fixedly connected to the lower surface of the arc-shaped plate 45, the lower surface of which is fixedly connected to an arc-shaped limiting sleeve 462, the inner cavity of which is movably sleeved with a sealing plate 463, and the lower surface of which is fixedly connected to a fixing plate 2 464; a telescopic rod 466 is fixedly connected to the bottom of the inner cavity of the sealing plate 463, the upper surface of which is fixedly connected to the lower surface of the fixing plate 461, the outer wall of which is movably sleeved with a spring 467, the outer wall of which is movably sleeved with the inner cavities of the arc-shaped limiting sleeve 462 and the sealing plate 463, and the upper and lower sides of the spring 467 are respectively fixedly connected to the opposite surfaces of the sealing plate 463 and the fixing plate 461;

[0033] Through the action of the telescopic rod 466 and the spring 467, the second fixing plate 464 can fit closely with the product when fixing the product, thereby fixing the product without causing damage to the product.

[0034] A rubber pad 465 is fixedly connected to the lower surface of the second fixing plate 464, and a wear-resistant layer is fixedly connected to the outer wall of the rubber pad 465;

[0035] Through the rubber pad 465, the surface of the product will not be damaged when it is fixed.

[0036] A sealing ring 468 is fixedly connected to the upper surface of the sealing plate 463, and the outer wall of the sealing ring 468 is movably connected to the inner cavity of the arc-shaped limiting sleeve 462. An annular rubber pad 469 is fixedly connected to the upper surface of the lower part of the sealing plate 463;

[0037] The sealing ring 468 seals the fixing plate 461 and the sealing plate 463, thereby preventing the internal parts from being corroded by the external environment and improving the service life.

[0038] The working principle of the utility model is as follows: first, the staff places the product on the upper surface of the rubber sleeve 471, and then, through the action of the cylinder 42, the connecting plate 43 drives the connecting rod 44 to move downward, thereby moving the arc plate 45 downward, and through the action of the arc plate 45, a number of rubber pads 465 move downward to the upper surface of the product, and through the action of the John fixing plate 464, the product is fixed above the supporting turntable 3, and through the action of the supporting turntable 3, the fixed product is moved to the bottom of the tapping assembly 5, and through the action of the tapping assembly 5, the product is processed.

[0039] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A pneumatic clamp for a four-station tapping assembly machine, comprising a base (1), characterized in that: The upper surface of the left part of the base (1) is fixedly connected to a fixing frame (2), the inner cavity of the upper part of the fixing frame (2) is fixedly installed with a tapping assembly (5), the upper surface of the right part of the base (1) is fixedly installed with a supporting turntable (3), and the front, rear, left and right parts of the upper surface of the supporting turntable (3) are all fixedly connected with a clamp assembly (4); The clamp assembly (4) comprises a support plate (41), the lower surface of the support plate (41) is fixedly connected to the upper surface of the support turntable (3), the top of the inner cavity of the support plate (41) is fixedly connected to a cylinder (42), the left and right sides of the outer wall of the piston rod of the lower part of the cylinder (42) are fixedly connected to connecting plates (43), the upper surfaces of the opposite parts of the two connecting plates (43) are fixedly connected to connecting rods (44), the outer walls of the two connecting rods (44) are respectively movably connected to the inner cavity of the support plate (41), the upper surfaces of the two connecting rods (44) are fixedly connected to arc plates (45), and the two arc plates (45) are located above the support plate (41); A plurality of fixing components (46) are evenly distributed on the lower surfaces of the two arc-shaped plates (45); a protective component (47) is fixedly connected to the upper surface of the support plate (41), and the protective component (47) is located between the two connecting rods (44); the fixing component (46) comprises a fixing plate 1 (461); the upper surface of the fixing plate 1 (461) is fixedly connected to the lower surface of the arc-shaped plate (45); the lower surface of the fixing plate 1 (461) is fixedly connected to an arc-shaped limiting sleeve (462); the inner cavity of the arc-shaped limiting sleeve (462) is movably sleeved with a sealing plate (463); the sealing plate ( The lower surface of the support plate (463) is fixedly connected to a fixing plate 2 (464); the protective component (47) includes a rubber sleeve (471), the lower surface of the rubber sleeve (471) is fixedly connected to the upper surface of the support plate (41), the inner cavity top of the rubber sleeve (471) is fixedly connected to a supporting steel plate 2 (474), the lower surface of the supporting steel plate 2 (474) is fixedly connected to a rubber interlayer (473), the lower surface of the rubber interlayer (473) is fixedly connected to a supporting steel plate 1 (472), and the lower surface of the supporting steel plate 1 (472) is fixedly connected to the upper surface of the support plate (41).

2. A pneumatic clamp for a four-station tapping assembly machine according to claim 1, characterized in that: A rubber pad (465) is fixedly connected to the lower surface of the second fixing plate (464), and a wear-resistant layer is fixedly connected to the outer wall of the rubber pad (465).

3. A pneumatic clamp for a four-station tapping assembly machine according to claim 2, characterized in that: A telescopic rod (466) is fixedly connected to the bottom of the inner cavity of the sealing plate (463); the upper surface of the telescopic rod (466) is fixedly connected to the lower surface of the fixed plate (461); the outer wall of the telescopic rod (466) is movably sleeved with a spring (467); the outer wall of the spring (467) is movably sleeved with the arc-shaped limit sleeve (462) and the inner cavity of the sealing plate (463); the upper and lower sides of the spring (467) are respectively fixedly connected to the opposite surfaces of the sealing plate (463) and the fixed plate (461).

4. A pneumatic clamp for a four-station tapping assembly machine according to claim 3, characterized in that: The upper surface of the sealing plate (463) is fixedly connected to a sealing ring (468), the outer wall of the sealing ring (468) is movably connected to the inner cavity of the arc-shaped limiting sleeve (462), and the upper surface of the lower part of the sealing plate (463) is fixedly connected to an annular rubber pad (469).

Images