CN213496445U

CN213496445U - Pneumatic clamping structure of casting

Info

Publication number: CN213496445U
Application number: CN202022454524.1U
Authority: CN
Inventors: 王强
Original assignee: Shaoxing City Zhenyang Machinery Co ltd
Current assignee: Shaoxing City Zhenyang Machinery Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-06-22
Anticipated expiration: 2030-10-29

Abstract

The utility model relates to a pneumatic clamping structure of foundry goods relates to the technical field of foundry goods processing, and it includes the workstation, install the mount pad on the workstation, install clamping device on the mount pad, clamping device includes hold-down mechanism and actuating mechanism, hold-down mechanism installs on the mount pad, hold-down mechanism is used for compressing tightly the centre gripping with the foundry goods, actuating mechanism installs on the workstation and with hold-down mechanism connects, actuating mechanism is used for providing hold-down mechanism compresses tightly the drive power of centre gripping foundry goods. According to the casting cutting device, the pressing mechanism and the driving mechanism are arranged, so that a casting can be fixedly clamped on the mounting seat, the casting is always located at a specific cutting position when cutting is carried out, and the cutting precision is further improved; on the other hand, the stability of the casting during fixing and clamping is further improved, and the safety of workers is ensured.

Description

Pneumatic clamping structure of casting

Technical Field

The application relates to the field of casting processing, in particular to a pneumatic clamping structure of a casting.

Background

At present, when casting of castings is carried out, because cast aluminum alloy has contractibility during cooling, workers need to arrange a feeding head on a mold to supplement the contraction quantity of aluminum liquid in a mold cavity of the mold. After the casting work of the casting is completed, the casting needs to be taken out of the mold, and the feeding head on the casting needs to be further cut and removed.

In the related art, after the casting work of the casting is completed, a worker needs to cut the feeding head on the casting, the worker needs to hold the casting by hand, and then the cutting machine is used for cutting the feeding head of the casting.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: because the staff carries out the cutting work of feeding head through handheld foundry goods, the position of foundry goods when cutting at every turn is uncertain, and then causes the cutting position of feeding head on the different foundry goods and can produce certain deviation, and then influences the precision of cutting.

SUMMERY OF THE UTILITY MODEL

In order to improve the handheld foundry goods of staff and cut and influence the problem of cutting precision, this application provides a pneumatic clamping structure of foundry goods.

The application provides a pneumatic clamping structure of foundry goods adopts following technical scheme:

the utility model provides a pneumatic clamping structure of foundry goods, includes the workstation, install the mount pad on the workstation, install clamping device on the mount pad, clamping device includes hold-down mechanism and actuating mechanism, hold-down mechanism installs on the mount pad, hold-down mechanism is used for compressing tightly the centre gripping with the foundry goods, actuating mechanism installs on the workstation and with hold-down mechanism connects, actuating mechanism is used for providing hold-down mechanism compresses tightly the drive power of centre gripping foundry goods.

Through adopting above-mentioned technical scheme, when the cutting work of feeding head on the foundry goods needs to be carried out, the staff adjusts actuating mechanism earlier, actuating mechanism drives hold-down mechanism and takes place the displacement, place the foundry goods on the mount pad and adjust well with hold-down mechanism's relative position, then adjust actuating mechanism once more, actuating mechanism drives hold-down mechanism and takes place the displacement, hold-down mechanism further compresses tightly the foundry goods on the mount pad and accomplishes clamping work, and then make the foundry goods be in specific position all the time when cutting work, further improve the precision of cutting work. On the other hand, the worker can be tired in the process of cutting for a long time, so that safety accidents are easy to happen, and compared with a mode of holding the casting by hand, the casting is fixedly clamped by the pressing mechanism, so that the cutting speed of the casting can be increased, and meanwhile, the safety of the worker is guaranteed.

Preferably, the pressing mechanism comprises a pressing plate, and a U-shaped hole for pressing the workpiece is formed in the pressing plate.

Through adopting above-mentioned technical scheme, when needs carry out centre gripping fixed work to the work piece, on the periphery wall of work piece was arrived in the U-shaped hole joint on the pressure strip, then the pressure strip further compresses tightly the work piece to the workstation on, the realization is to the fixed centre gripping work of work piece.

Preferably, actuating mechanism includes cylinder, trachea and control valve, cylinder fixed connection be in on the workstation, the piston rod of cylinder with the threaded rod is connected, fixedly connected with on the cylinder body of cylinder the trachea, the control valve is installed on the trachea.

Through adopting above-mentioned technical scheme, when needs compress tightly the foundry goods centre gripping on the mount pad, the adjusting control valve, the trachea communicates with the cylinder body of cylinder, and the piston rod of cylinder drives the threaded rod and takes place the displacement, and the threaded rod drives the pressure strip and takes place the displacement, and the pressure strip further compresses tightly the foundry goods on the mount pad, and then accomplishes the clamping work that compresses tightly to the foundry goods, has reduced the probability that the skew takes place in the position of cutting during operation foundry goods, further improves the precision of cutting work.

Preferably, the number of the clamping devices is two, one of the clamping devices is vertically arranged on the top surface of the workbench, and an included angle is formed between the other clamping device and the top surface of the workbench.

By adopting the technical scheme, when the cutting work of the specific casting is carried out, the specific casting needs to be cut twice, and the second cutting work needs to be carried out after the first cutting work is finished. The two clamping devices are arranged, so that the specific casting can respectively complete the first cutting work and the second cutting work on the two clamping devices; the setting of contained angle for the position that specific foundry goods carried out twice cutting work time is in same straight line, makes things convenient for the staff to carry out the cutting work of two specific foundry goods simultaneously, further improves the efficiency of cutting work.

Preferably, still install positioning mechanism on the mount pad, positioning mechanism is used for installing the preliminary location of foundry goods on the mount pad, positioning mechanism includes the locating lever, the locating lever is installed on the mount pad, the locating lever is used for pegging graft the cooperation and the fixed foundry goods of preliminary location with the foundry goods.

Through adopting above-mentioned technical scheme, when needs are with the fixed centre gripping of foundry goods to the mount pad on, the setting of locating lever plays the effect of preliminary location foundry goods position, has reduced the time that the staff counterpointed foundry goods and pressure strip cost, makes things convenient for the staff to fix the centre gripping of foundry goods to the mount pad on.

Preferably, the positioning rod is provided with a tight abutting assembly, the tight abutting assembly is used for abutting against the inner wall of the casting, the tight abutting assembly comprises a tight abutting block and a first spring, a mounting groove is formed in the peripheral wall of the positioning rod, one end of the first spring is fixedly connected with the mounting groove, the other end of the first spring is fixedly connected with the tight abutting block, and the tight abutting block partially extends out of the mounting groove.

Through adopting above-mentioned technical scheme, when needs are with the fixed centre gripping of foundry goods to the mount pad on, at first with the foundry goods cover to the locating lever, then the staff extrudes the piece that supports tight, supports in tight piece motion gets into the mounting groove and compress first spring, promotes the foundry goods and takes place to slide along the locating lever until the foundry goods moves to supporting tight piece position, the elasticity that first spring resets and produces promotes to support tight piece and support tight foundry goods, plays the preliminary positioning effect that supports tight to the foundry goods.

Preferably, a sliding groove is formed in the mounting seat, the positioning rod is connected in the sliding groove in a sliding mode, a fixing assembly is arranged on the positioning rod and used for fixing the position of the positioning rod in the sliding groove.

Through adopting above-mentioned technical scheme, the locating lever slides and connects the setting at the inslot that slides for the staff can adjust the locating lever in the inslot that slides according to actual demand, and the setting of fixed subassembly plays the effect that maintains the locating lever and is unchangeable basically in the inslot that slides simultaneously.

Preferably, the fixing assembly comprises a locking bolt and a limiting block, the peripheral wall of the positioning rod is provided with a connecting hole along the radial direction, the positioning rod is provided with a threaded hole communicated with the connecting hole along the axial lead direction, the locking bolt is in threaded connection in the threaded hole, the limiting block is connected in a sliding manner in the connecting hole, and the limiting block is provided with a chamfer angle at one end abutted against by the locking bolt.

Through adopting above-mentioned technical scheme, when the position of locating lever in the inslot that slides is locked to needs, rotate the locking bolt, the locking bolt motion gets into threaded hole, and the locking bolt further butt stopper's chamfer promotes the stopper and supports tight inslot inner wall that slides, and then realizes fixing the locating lever at the inslot position that slides.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the pressing mechanism and the driving mechanism, the casting can be fixedly clamped on the mounting seat, and the casting is always positioned at a specific cutting position when cutting is carried out, so that the precision of the cutting work is further improved;

2. through the setting of positioning mechanism for when installing the foundry goods on the mount pad, play the preliminary location fixed action to the fixed centre gripping position of foundry goods.

Drawings

FIG. 1 is a schematic perspective view of a pneumatic clamping structure according to an embodiment of the present application;

fig. 2 is a schematic cross-sectional structural view of the mounting seat shown in fig. 1, and shows specific structures of the fixing component and the abutting component.

Description of reference numerals: 100. a work table; 110. a mounting seat; 120. a cylinder; 130. an air tube; 140. a control valve; 150. a U-shaped hole; 170. a compression plate; 180. positioning a rod; 190. a sliding groove; 200. a limiting block; 210. connecting holes; 220. a closing plate; 230. a baffle plate; 240. a return spring; 250. locking the bolt; 260. a first spring; 270. mounting grooves; 280. a propping block; 290. a trapezoidal block.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses pneumatic clamping structure of foundry goods. Referring to fig. 1, the pneumatic clamping structure includes a worktable 100, two installation bases 110 are fixedly connected to the worktable 100, a bottom surface of one installation base 110 is parallel to a top surface of the worktable 100, and an included angle is formed between a bottom surface of the other installation base 110 and the top surface of the worktable 100, and the included angle is an obtuse angle. Clamping devices are mounted on both mounting bases 110. Both clamping devices comprise a pressing mechanism and a driving mechanism, each pressing mechanism is arranged on the mounting base 110, and each driving mechanism is arranged on the workbench 100 and connected with the pressing mechanism.

The driving mechanism comprises an air cylinder 120, the cylinder body of the air cylinder 120 is fixedly connected to the workbench 100, the air pipe 130 is fixedly connected to the cylinder body of the air cylinder 120, the control valve 140 is fixedly connected to the air pipe 130, and the piston rod of the air cylinder 120 is perpendicular to the mounting seat 110 and penetrates through the mounting seat 110.

The pressing mechanism comprises a pressing plate 170, the pressing plate 170 is fixedly connected to a piston rod of the air cylinder 120, a U-shaped hole 150 is formed in the pressing plate 170, the piston rod of the air cylinder 120 drives the pressing plate 170 to move when the casting is fixedly clamped, the U-shaped hole 150 in the pressing plate 170 is connected with a workpiece in a clamped mode, and clamping work on the workpiece is achieved.

Referring to fig. 2, a positioning mechanism is further installed on the installation seat 110, the positioning mechanism includes a positioning rod 180 in insertion fit with the casting, a sliding groove 190 is formed in the installation seat 110, the positioning rod 180 is connected in the sliding groove 190 in a sliding manner, and a fixing assembly for fixing the position of the positioning rod 180 in the sliding groove 190 is installed on the positioning rod 180.

The fixing assembly comprises two limiting blocks 200, a connecting hole 210 is radially formed in one end, close to the bottom of the sliding groove 190, of the positioning rod 180, the two limiting blocks 200 are connected in the connecting hole 210 in a sliding mode, a closing plate 220 used for closing the connecting hole 210 is fixedly connected to the end openings of the two ends of the connecting hole 210, and a through hole for the limiting blocks 200 to extend out is formed in the closing plate 220. The outer peripheral wall of the limiting block 200 located in the connecting hole 210 is fixedly connected with a baffle 230, a return spring 240 is sleeved outside the limiting block 200, and two ends of the return spring 240 are fixedly connected to the baffle 230 and the closing plate 220 respectively.

The one end that the locating lever 180 kept away from the groove 190 tank bottom of sliding has seted up the screw hole along the 180 axial lead directions of locating lever, and the screw hole is linked together with connecting hole 210, and screw hole female connection has locking bolt 250, and the one end that the closing plate 220 was kept away from to stopper 200 stretches into in the screw hole and with locking bolt 250 butt, and the one end of stopper 200 and locking bolt 250 butt is provided with the chamfer.

The one end of locating lever 180 keeping away from the groove bottom of sliding groove 190 is installed and is supported tight subassembly, supports tight subassembly and includes first spring 260, and two mounting grooves 270 have radially been seted up along locating lever 180 to the periphery wall of locating lever 180, installs first spring 260 in the mounting groove 270. One end of the first spring 260 is fixedly connected to the bottom of the mounting groove 270, the other end of the first spring 260 is fixedly connected with a abutting block 280, the abutting block 280 is connected to the mounting groove 270 in a sliding manner, and the abutting block 280 partially extends out of the positioning rod 180. The end of the abutting block 280 extending out of the positioning rod 180 is fixedly connected with a trapezoidal block 290, and the cross section of the trapezoidal block 290 is isosceles trapezoid.

The implementation principle of the pneumatic clamping structure of the casting in the embodiment of the application is as follows:

when the cutting work of the feeding head on the casting needs to be carried out, the locking bolt 250 is unscrewed, the locking bolt 250 is far away from the limiting block 200, the elastic force generated by the reset of the reset spring 240 pushes the limiting block 200 to move into the connecting hole 210, the locking of the position of the positioning rod 180 in the sliding groove 190 is further released, the locking bolt 250 is pulled, the locking bolt 250 further drives the positioning rod 180 to displace in the sliding groove 190 until the trapezoidal block 290 on the positioning rod 180 extends out of the sliding groove 190, the locking bolt 250 is reversely screwed, the locking bolt 250 further abuts against the limiting block 200 and pushes the limiting block 200 to displace, the end part of the limiting block 200 extends out of the through hole and abuts against the side wall of the sliding groove 190, and the fixing of the positioning rod 180 in the sliding groove 190.

The casting is sleeved outside the positioning rod 180 and then slides axially along the positioning rod 180, the casting is further abutted against the inclined surface of the trapezoidal block 290 and pushes the trapezoidal block 290 to move into the mounting groove 270, the casting is further abutted against the mounting seat 110, the control valve 140 is adjusted, the air pipe 130 is communicated with the air cylinder 120, the piston rod of the air cylinder 120 further drives the pressing plate 170 to press the casting on the mounting seat 110, and then the fixing and clamping work on the casting is completed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A pneumatic clamping structure of foundry goods, includes workstation (100), its characterized in that: install mount pad (110) on workstation (100), install clamping device on mount pad (110), clamping device includes hold-down mechanism and actuating mechanism, hold-down mechanism installs on mount pad (110), hold-down mechanism is used for compressing tightly the centre gripping with the foundry goods, actuating mechanism installs workstation (100) go up and with hold-down mechanism connects, actuating mechanism is used for providing hold-down mechanism compresses tightly the drive power of centre gripping foundry goods.

2. A pneumatic clamping arrangement for castings according to claim 1, wherein: the pressing mechanism comprises a pressing plate (170), and a U-shaped hole (150) used for pressing the workpiece is formed in the pressing plate (170).

3. A pneumatic clamping arrangement for castings according to claim 2, wherein: the driving mechanism comprises an air cylinder (120), an air pipe (130) and a control valve (140), the air cylinder (120) is fixedly connected to the workbench (100), a piston rod of the air cylinder (120) is connected with the pressing plate (170), the air pipe (130) is fixedly connected to a cylinder body of the air cylinder (120), and the control valve (140) is installed on the air pipe (130).

4. A pneumatic clamping arrangement for castings according to claim 1, wherein: the clamping device is provided with two clamping devices, one clamping device is vertically installed on the top surface of the workbench (100), and an included angle is formed between the other clamping device and the top surface of the workbench (100).

5. A pneumatic clamping arrangement for castings according to claim 1, wherein: still install positioning mechanism on mount pad (110), positioning mechanism is used for installing the preliminary location of foundry goods on mount pad (110), positioning mechanism includes locating lever (180), locating lever (180) are installed on mount pad (110), locating lever (180) are used for with the foundry goods grafting cooperation and the fixed foundry goods of preliminary location.

6. A pneumatic clamping arrangement for castings according to claim 5, wherein: the positioning rod (180) is provided with a abutting assembly, the abutting assembly is used for abutting against the inner wall of a casting, the abutting assembly comprises an abutting block (280) and a first spring (260), a mounting groove (270) is formed in the peripheral wall of the positioning rod (180), one end of the first spring (260) is fixedly connected with the mounting groove (270), the other end of the first spring (260) is fixedly connected with the abutting block (280), and the abutting block (280) partially extends out of the mounting groove (270).

7. A pneumatic clamping arrangement for castings according to claim 5, wherein: the mounting seat (110) is provided with a sliding groove (190), the positioning rod (180) is connected in the sliding groove (190) in a sliding mode, the positioning rod (180) is provided with a fixing assembly, and the fixing assembly is used for fixing the position of the positioning rod (180) in the sliding groove (190).

8. A pneumatic clamping arrangement for castings according to claim 7, wherein: the fixing assembly comprises a locking bolt (250) and a limiting block (200), a connecting hole (210) is formed in the peripheral wall of the positioning rod (180) along the radial direction, a threaded hole communicated with the connecting hole (210) is formed in the positioning rod (180) along the axial lead direction, the locking bolt (250) is in threaded connection with the threaded hole, the limiting block (200) is connected in the connecting hole (210) in a sliding mode, and a chamfer is formed in one end, abutted against by the locking bolt (250), of the limiting block (200).