Rapid positioning metal connecting rod clamp for triangular coordinate measurement

Abstract

The invention relates to the field of connecting rod clamps, in particular to a rapid positioning metal connecting rod clamp for triangular coordinate measurement, which comprises a base, a clamping assembly is mounted on the base, a rotating assembly is fixedly mounted on the clamping assembly, the clamping assembly comprises a first turntable, four groups of clamping rods are mounted on the first turntable, and the rotating assembly is fixedly mounted on the first turntable. And sliding blocks are fixedly mounted on one sides of the four sets of clamping rods correspondingly, first fixing blocks are fixedly mounted on the other sides of the clamping rods correspondingly, and the clamping assembly has the advantages that the second clamping blocks and the first clamping blocks of the clamping assembly are matched with each other, so that the pressure on a workpiece during clamping is reduced, and the workpiece is protected against damage; then the second rotating disc rotates along with the wheel disc through the rotating assembly, the workpiece rotates along with the second rotating disc, a constructor can conveniently machine and detect the workpiece in one direction of the equipment, meanwhile, a piston block reciprocates in a piston pipeline along with a piston rod, a suction cup is fixed to the workbench through air exhaust, and the equipment is prevented from shaking.

Description

Technical Field

[0001] The invention relates to the technical field of connecting rod clamps, in particular to a fast positioning metal connecting rod clamp for triangular coordinate measurement. Background Art

[0002] The three-coordinate measuring connecting rod fixture, referred to as the three-coordinate fixture, also known as the three-coordinate universal fixture or three-coordinate flexible fixture, is a device used to fix the workpiece during the three-coordinate measurement process. For annular parts, this fixture can ensure the stability and accuracy of the annular workpiece during the measurement process, thereby improving the measurement accuracy and efficiency; At present, when using the three-dimensional coordinate measuring connecting rod fixture, a relatively light measuring device that is convenient for construction workers to carry is usually used. Because the fixing method of this equipment is relatively simple and it is directly placed on the workbench, it is easy to cause shaking and other problems during the workpiece clamping process, resulting in a decrease in the clamping force of the workpiece, affecting the workpiece clamping; During the process of processing and inspecting the workpiece after clamping, the equipment cannot adjust the angle of the workpiece, which will cause the construction workers to move around the equipment to process and inspect the workpiece, increasing the workload of the construction workers. Summary of the invention

[0003] The purpose of the present invention is to provide a quick positioning metal connecting rod clamp for triangular coordinate measurement, wherein the second clamping block of the clamping assembly cooperates with the first clamping block to reduce the pressure on the workpiece during clamping and protect the workpiece from damage, and then the second turntable of the rotating assembly rotates following the wheel disc, so that the workpiece rotates following the second turntable, which is convenient for construction personnel to process and inspect the workpiece in one orientation of the equipment. At the same time, the piston block follows the piston rod to move back and forth in the piston pipe, and the suction cup is evacuated and fixed on the workbench to prevent the equipment from shaking.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a quick positioning metal connecting rod clamp for triangular coordinate measurement, comprising a base, a clamping assembly is installed on the base, a rotating assembly is fixedly installed on the clamping assembly, the clamping assembly comprises a first turntable, four groups of clamping rods are installed on the first turntable, one side of the four groups of clamping rods are fixedly installed with a slider, the other side of the clamping rods are fixedly installed with a first fixed block, both sides of the first fixed block are installed with a first clamping block, one side of the first clamping block is installed with two groups of second clamping blocks, both sides of the first turntable are fixedly connected with a first handle, and the rotating assembly comprises two groups of second handles , one side of the two groups of second handles are fixedly connected to the first gear, the lower end of the first gear is fixedly connected to the first connecting rod, one side of the first connecting rod is fixedly connected to the second gear, one side of the second gear is rotatably connected to a gear plate, the gear plate is fixedly connected to the second connecting rod, one side of the second connecting rod is fixedly connected to the second rotating plate, the first gears on both sides are rotatably connected to the third gear, the third gear is provided with a connecting rod assembly, one side of the connecting rod assembly is fixedly connected to a piston rod, one side of the piston rod is fixedly installed with a piston block, a piston pipe is installed outside the piston block, and one side of the piston pipe is fixedly connected with a suction cup.

[0005] Preferably, an annular guide groove and two groups of vertical guide grooves are provided on the front side of the base, the first turntable is arranged on the annular guide groove, the slider is slidably connected to the two groups of vertical guide grooves, and a weight-reducing hole is provided on the back side of the base.

[0006] Preferably, handles are provided on both sides of the base, and wear-resistant blocks are provided at the connection between the first turntable and the annular guide groove.

[0007] Preferably, a panel is fixedly connected to the base, and sliding grooves are provided at the connection points between the base and the panel on both sides.

[0008] Preferably, the panel is also provided with four groups of vertical guide grooves, and positioning holes are provided on both sides of the panel.

[0009] Preferably, a second fixing block is fixedly mounted on the first handle, an adjusting rod is provided on the second fixing block, the pressure plate is mounted on the second fixing block via the adjusting rod, a spring is fixedly mounted on one side of the pressure plate, and one side of the spring is fixedly mounted on the first handle.

[0010] Preferably, a latch is provided on the other side of the pressure plate, and one side of the latch is arranged on the positioning holes on both sides of the panel.

[0011] Preferably, the first gears on both sides are mounted on a panel, and one side of the first connecting rod extends through the panel and the base, and is fixedly connected to the second gear.

[0012] Preferably, one side of the second connecting rod extends through the base and the panel, and is fixedly mounted on the second turntable, and the second turntable is disposed on the base.

[0013] Preferably, the piston pipes on both sides are also provided with slide grooves, and one side of the connecting rod assembly extends through the slide groove and is fixedly connected to the piston rod.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The second clamping block of the present invention slides left and right inside the first clamping block, cooperates with the first clamping block, fits the workpiece surface more closely, reduces the pressure on the workpiece during clamping, and protects the workpiece from damage. When the first handle moves to the specified position, the pressure plate is lowered, and the spring rebounds, so that the other side of the pressure plate is driven to fall, so that the latch falls to the positioning hole of the panel for fixing, thereby preventing the first handle from moving when the equipment is running, thereby affecting the clamping of the workpiece; 2. In the present invention, the second handle drives the first gear to rotate, the second gear follows the first gear to rotate through the first connecting rod, and the second gear drives the gear plate to rotate, so that the second rotating plate follows the wheel plate to rotate through the second connecting rod, so that the workpiece follows the second rotating plate to rotate, which is convenient for construction personnel to process and inspect the workpiece in one direction of the equipment; 3. In the present invention, the first gear on both sides also drives the third gear to rotate, the third gear drives the connecting rod assembly to move back and forth, the connecting rod assembly drives the piston rod to move back and forth, the piston block follows the piston rod to move back and forth in the piston pipe, and the suction cup is evacuated, so that the equipment is fixed on the workbench by the suction cup when it is running, to prevent the equipment from shaking and affecting the clamping of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the overall structure of the present invention; Figure 3 The panel of the present invention; Figure 4 It is a schematic diagram of the structure of the first turntable of the present invention; Figure 5 It is a schematic diagram of the structure of the clamping assembly of the present invention; Figure 6 It is a schematic diagram of the handle structure of the present invention; Figure 7 It is a schematic diagram of the structural analysis of the rotating assembly of the present invention; Figure 8 It is a schematic diagram of the suction cup structure analysis of the present invention.

[0016] In the figure: 1. base; 101. handle; 2. clamping assembly; 201. first turntable; 202. clamping rod; 203. slider; 204. first fixed block; 205. first clamping block; 206. second clamping block; 207. first handle; 208. spring; 209. pressure plate; 211. adjustment rod; 212. second fixed block; 213. latch; 3. rotating assembly; 301. second handle; 302. first gear; 303. first connecting rod; 304. second gear; 305. gear plate; 306. second connecting rod; 307. second turntable; 308. third gear; 309. connecting rod assembly; 310. piston rod; 312. piston block; 313. piston pipe; 314. suction cup; 4. panel; 5. wear-resistant block. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] The present invention provides a metal connecting rod clamp for rapid positioning of triangular coordinate measurement, comprising a base 1, a clamp body of the base 1, fixing the whole device and supporting the operation of the device, a clamping assembly 2 is installed on the base 1, the clamping assembly 2 can quickly fix and clamp a workpiece with a circular inner shape or a circular outer shape, a rotating assembly 3 is fixedly installed on the clamping assembly 2, the rotating assembly 3 drives the workpiece to rotate, and it is convenient for construction personnel to process and inspect the workpiece; See also Figures 1 to 6As shown, the clamping assembly 2 includes a first rotating disk 201, and the first rotating disk 201 is used to drive the clamp to clamp the workpiece. Four groups of clamping rods 202 are installed on the first rotating disk 201. The four groups of clamping rods 202 are driven by the first rotating disk 201 to move closer or away from the four sides at the same time. Slide blocks 203 are fixedly installed on one side of the four groups of clamping rods 202. The slide blocks 203 follow the four groups of clamping rods 202 to move closer or away from the four sides at the same time, respectively, to support the four groups of clamping rods 202 to slide stably, and the clamping rods 202 can slide. The other side of each of the first fixing blocks 204 is fixedly installed. The first fixing blocks 204 also follow the four groups of clamping rods 202 to move close to or away from the four groups at the same time to fix and transmit power. The first clamping blocks 205 are installed on both sides of the first fixing block 204. The first clamping blocks 205 follow the clamping rods 202 to move close to the workpiece to clamp it or move away from the workpiece to fix it. At the same time, they slide left and right inside the first fixing block 204 to better fit the surface of the workpiece and reduce the impact on the workpiece during clamping. The first clamping block 205 is provided with two sets of second clamping blocks 206 on one side. The two sets of second clamping blocks 206 slide left and right inside the first clamping block 205 and cooperate with the first clamping block 205 to better fit the surface of the workpiece, reduce the pressure on the workpiece during clamping, and protect the workpiece from damage. The first turntable 201 is fixedly connected with first handles 207 on both sides. The first handles 207 facilitate the construction personnel to rotate the first turntable 201. When the construction personnel rotate the first turntable 201 through the first handles 207, 1. The turntable 201 drives the four groups of clamping rods 202 to move closer or away from the workpiece at the same time. The first clamping block 205 moves with the clamping rod 202 through the first fixed block 204, approaches to clamp the workpiece or moves away from the workpiece to fix the workpiece. At the same time, the first clamping block 205 slides left and right inside the first fixed block 204, and the second clamping block 206 slides left and right inside the first clamping block 205, cooperates with the first clamping block 205, fits the workpiece surface better, reduces the pressure on the workpiece during clamping, and protects the workpiece from damage; See also Figures 3 to 8As shown, the rotating assembly 3 includes two groups of second handles 301. The second handles 301 are convenient for construction personnel to operate the equipment. One side of the two groups of second handles 301 is fixedly connected to the first gear 302. The construction personnel drive the first gear 302 to rotate by rotating the second handles 301 to transmit power. The lower end of the first gear 302 is fixedly connected to the first connecting rod 303. The first connecting rod 303 rotates with the first gear 302 to transmit power. One side of the first connecting rod 303 is fixedly connected to the second gear 304. The second gear 304 rotates with the first gear 302 through the first connecting rod 303 to transmit power. One side of the second gear 304 is rotatably connected to a gear plate 305. The second gear 304 drives the gear plate 305 to rotate and transmit power. The gear plate 305 is fixedly connected with a second connecting rod 306. The second connecting rod 306 rotates with the wheel plate 305 to transmit power. One side of the second connecting rod 306 is fixedly connected with a second rotating disk 307, so that the second rotating disk 307 rotates with the wheel plate 305 through the second connecting rod 306. The second rotating disk 307 is provided with a magnet. The part of the second clamping block 206 that contacts the workpiece is relatively smooth. The suction force of the magnet is greater than the friction force between the second clamping block 206 and the workpiece, so that the workpiece rotates with the second rotating disk 307, which is convenient for construction personnel to process and inspect the workpiece in one direction of the equipment. One side of the first gear 302 on both sides is rotatably connected with a third gear 308. At the same time, the first gears 302 on both sides also drive the third gear 308 to rotate. The third gear 308 is provided with a connecting rod assembly 309. The third gear 308 drives the connecting rod assembly 309 to reciprocate. One side of the connecting rod assembly 309 is fixedly connected with a piston rod 310. The connecting rod assembly 309 drives the piston rod 310 to reciprocate. A piston block 312 is fixedly installed on one side of the piston rod 310. The piston block 312 reciprocates through the piston rod 310. A piston pipe 313 is installed outside the piston block 312. The piston block 312 reciprocates in the piston pipe 313. One side of the piston pipe 313 is fixedly connected with a suction cup 314. When the piston block 312 reciprocates in the piston pipe 313, the suction cup 314 is evacuated, so that the equipment is fixed on the workbench through the suction cup 314 when it is running, to prevent the equipment from shaking and affecting the clamping of the workpiece. When the construction personnel pass through By rotating the second handle 301, the first gear 302 is driven to rotate, and the second gear 304 follows the first gear 302 to rotate through the first connecting rod 303, and the second gear 304 drives the gear plate 305 to rotate, so that the second turntable 307 follows the wheel plate 305 to rotate through the second connecting rod 306, so that the workpiece follows the second turntable 307 to rotate, which is convenient for construction personnel to process and inspect the workpiece in one direction of the equipment. At the same time, the first gears 302 on both sides also drive the third gear 308 to rotate, and the third gear 308 drives the connecting rod assembly 309 to reciprocate, and the connecting rod assembly 309 drives the piston rod 310 to reciprocate, and the piston block 312 follows the piston rod 310 to reciprocate in the piston pipe 313 to evacuate the suction cup 314, so that the equipment is fixed on the workbench through the suction cup 314 when it is running, to prevent the equipment from shaking and affecting the clamping of the workpiece.

[0019] In an optional embodiment, an annular guide groove and two groups of vertical guide grooves are provided on the front side of the base 1, the first turntable 201 is set on the annular guide groove, the slider 203 is slidably connected to the two groups of vertical guide grooves, and a weight-reducing hole is provided on the back side of the base 1. The annular guide groove is used to control the movement of the first turntable 201, and the two vertical guide grooves are used to control the sliding of the slider 203. The weight-reducing hole is used to reduce the weight, which facilitates the construction personnel to move the equipment.

[0020] In an optional embodiment, handles 101 are provided on both sides of the base 1, and the handles 101 facilitate construction workers to move the equipment. Wear-resistant blocks 5 are provided at the connection between the first turntable 201 and the annular guide groove, and the wear-resistant blocks 5 provide guidance for the first turntable 201.

[0021] In an optional embodiment, a panel 4 is fixedly connected to the base 1, and the panel 4 is used to place workpieces and protect internal devices. Slide grooves are provided at the connection between the base 1 and the panel 4 on both sides, and the slide grooves leave space for the handle 207 to move without hindering the movement of the handle 207.

[0022] In an optional embodiment, four groups of vertical guide grooves are also provided on the panel 4 for guiding the slider 203 , and positioning holes are provided on both sides of the panel 4 for fixing.

[0023] In an optional embodiment, a second fixed block 212 is fixedly mounted on the first handle 207, an adjusting rod 211 is provided on the second fixed block 212, a pressure plate 209 is mounted on the second fixed block 212 via the adjusting rod 211, a spring 208 is fixedly mounted on one side of the pressure plate 209, and one side of the spring 208 is fixedly mounted on the first handle 207. When the construction personnel rotate the first handle 207, the pressure plate 209 is pressed down, and the spring 208 undergoes elastic deformation and shrinkage, so that the first handle 207 can be moved only after adjustment is made through the adjusting rod 211 and one side of the pressure plate 209 is tilted.

[0024] In an optional embodiment, a latch 213 is provided on the other side of the pressure plate 209, and the latch 213 is used for fixing. One side of the latch 213 is set on the positioning holes on both sides of the panel 4, and the positioning holes cooperate with the latch 213 for fixing. When one side of the pressure plate 209 is tilted, the latch 213 follows the pressure plate 209 to be tilted, and the first handle 207 can be moved. When the construction personnel moves the first handle 207 to the specified position, they put down the pressure plate 209, and the spring 208 rebounds to support one side of the pressure plate 209, so that the other side of the pressure plate 209 drives the latch 213 to fall, so that the latch 213 falls on the positioning hole of the panel 4 for fixing, so as to prevent the first handle 207 from moving when the equipment is running and affecting the clamping of the workpiece.

[0025] In an optional embodiment, the first gears 302 on both sides are installed on the panel 4, the panel 4 supports the operation of the first gear 302, one side of the first connecting rod 303 extends through the panel 4 and the base 1, and is fixedly connected to the second gear 304. The first gear 302 drives the second gear 304 to operate through the first connecting rod 303.

[0026] In an optional embodiment, one side of the second connecting rod 306 extends through the base 1 and the panel 4, and is fixedly mounted on the second turntable 307. The second turntable 307 is driven to rotate by the gear plate 305 through the second connecting rod 306. The second turntable 307 is set on the base 1, and the base 1 provides and supports the second turntable 307 to rotate.

[0027] In an optional embodiment, slide grooves are also provided on the piston pipes 313 on both sides, and one side of the connecting rod assembly 309 extends through the slide groove and is fixedly connected to the piston rod 310. The slide groove is used to provide a place for the connecting rod assembly 309 to drive the piston rod 310 to move back and forth.

[0028] Working principle: When the construction worker turns the first handle 207, the pressure plate 209 is pressed down, and the spring 208 undergoes elastic deformation and contraction, so that the adjustment is performed through the adjustment rod 211. One side of the pressure plate 209 drives the latch 213 to tilt up, driving the first turntable 201 to rotate, and the turntable 201 drives the four groups of clamping rods 202 to move closer or away from the four groups at the same time. The first clamping block 205 moves with the clamping rod 202 through the first fixed block 204, approaches to clamp the workpiece or moves away from the four groups to fix the workpiece, and at the same time When the first clamping block 205 slides left and right inside the first fixing block 204, the second clamping block 206 slides left and right inside the first clamping block 205, and cooperates with the first clamping block 205 to better fit the surface of the workpiece, reduce the pressure on the workpiece during clamping, and protect the workpiece from damage. When the construction personnel moves the first handle 207 to the specified position, the pressure plate 209 is lowered, and the spring 208 rebounds, so that the other side of the pressure plate 209 drives the latch 213 to fall, so that the latch 213 falls to the panel 4. The first handle 307 is fixed on the positioning hole to prevent the first handle 307 from moving when the equipment is running, thereby affecting the clamping of the workpiece. The construction personnel drives the first gear 302 to rotate by rotating the second handle 301, and the second gear 304 follows the first gear 302 to rotate through the first connecting rod 303. The second gear 304 drives the gear plate 305 to rotate, so that the second turntable 307 follows the wheel plate 305 to rotate through the second connecting rod 306, so that the workpiece follows the second turntable 307 to rotate, which is convenient for the construction personnel to process and inspect the workpiece in one direction of the equipment. At the same time, the first gears 302 on both sides also drive the third gear 308 to rotate, and the third gear 308 drives the connecting rod assembly 309 to reciprocate, and the connecting rod assembly 309 drives the piston rod 310 to reciprocate, and the piston block 312 follows the piston rod 310 to reciprocate in the piston pipe 313, and the suction cup 314 is evacuated, so that the equipment is fixed on the workbench through the suction cup 314 when it is running, to prevent the equipment from shaking and affecting the clamping of the workpiece.

[0029] 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 metal connecting rod fast positioning fixture for triangular coordinate measurement, comprising a base (1), characterized in that: A clamping assembly (2) is mounted on the base (1), and a rotating assembly (3) is fixedly mounted on the clamping assembly (2); The clamping assembly (2) comprises a first rotating disk (201), four groups of clamping rods (202) are mounted on the first rotating disk (201), one side of the four groups of clamping rods (202) are fixedly mounted with a slider (203), the other side of the clamping rods (202) are fixedly mounted with a first fixing block (204), both sides of the first fixing block (204) are mounted with a first clamping block (205), one side of the first clamping block (205) are mounted with two groups of second clamping blocks (206), and both sides of the first rotating disk (201) are fixedly connected with a first handle (207); The rotating assembly (3) comprises two sets of second handles (301), one side of the two sets of second handles (301) is fixedly connected to a first gear (302), the lower end of the first gear (302) is fixedly connected to a first connecting rod (303), one side of the first connecting rod (303) is fixedly connected to a second gear (304), one side of the second gear (304) is rotatably connected to a gear plate (305), the gear plate (305) is fixedly connected to a second connecting rod (306), and the second connecting rod (306) is rotatably connected to a second gear (304). ) is fixedly connected to a second rotating disk (307) on one side, and the first gear (302) on both sides is rotatably connected to a third gear (308), and a connecting rod assembly (309) is provided on the third gear (308), and a piston rod (310) is fixedly connected to one side of the connecting rod assembly (309), and a piston block (312) is fixedly installed on one side of the piston rod (310), and a piston pipe (313) is installed outside the piston block (312), and a suction cup (314) is fixedly connected to one side of the piston pipe (313).

2. The metal connecting rod fast positioning fixture for triangular coordinate measurement according to claim 1, characterized in that: The front side of the base (1) is provided with an annular guide groove and two groups of vertical guide grooves, the first turntable (201) is arranged on the annular guide groove, the slider (203) is slidably connected to the two groups of vertical guide grooves, and the back side of the base (1) is provided with a weight reduction hole.

3. The rapid positioning metal connecting rod clamp for triangular coordinate measurement according to claim 2, characterized in that: Handles (101) are provided on both sides of the base (1), and a wear-resistant block (5) is provided at the connection between the first rotating disk (201) and the annular guide groove.

4. The metal connecting rod fast positioning fixture for triangular coordinate measurement according to claim 1, characterized in that: A panel (4) is fixedly connected to the base (1), and sliding grooves are provided at the connection points on both sides of the base (1) and the panel (4).

5. The metal connecting rod fast positioning fixture for triangular coordinate measurement according to claim 1, characterized in that: The panel (4) is also provided with four groups of vertical guide grooves, and positioning holes are provided on both sides of the panel (4).

6. The metal connecting rod fast positioning fixture for triangular coordinate measurement according to claim 1, characterized in that: A second fixing block (212) is fixedly mounted on the first handle (207), an adjusting rod (211) is provided on the second fixing block (212), the pressing plate (209) is mounted on the second fixing block (212) via the adjusting rod (211), a spring (208) is fixedly mounted on one side of the pressing plate (209), and one side of the spring (208) is fixedly mounted on the first handle (207).

7. The metal connecting rod fast positioning fixture for triangular coordinate measurement according to claim 5, characterized in that: A latch pin (213) is provided on the other side of the pressure plate (209), and one side of the latch pin (213) is arranged on positioning holes on both sides of the panel (4).

8. The metal connecting rod fast positioning fixture for triangular coordinate measurement according to claim 1, characterized in that: The first gears (302) on both sides are mounted on the panel (4), and one side of the first connecting rod (303) extends through the panel (4) and the base (1) and is fixedly connected to the second gear (304).

9. The metal connecting rod fast positioning fixture for triangular coordinate measurement according to claim 1, characterized in that: One side of the second connecting rod (306) extends through the base (1) and the panel (4), and is fixedly mounted on the second rotating disk (307), and the second rotating disk (307) is arranged on the base (1).

10. The metal connecting rod fast positioning fixture for triangular coordinate measurement according to claim 1, characterized in that: The piston pipes (313) on both sides are also provided with sliding grooves, and one side of the connecting rod assembly (309) extends through the sliding groove and is fixedly connected to the piston rod (310).

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