CN218657009U

CN218657009U - Pneumatic locking plate shearing machine

Info

Publication number: CN218657009U
Application number: CN202222976919.7U
Authority: CN
Inventors: 毛雪胜
Original assignee: Wenzhou Changhai Machinery Co ltd
Current assignee: Wenzhou Changhai Machinery Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-03-21
Anticipated expiration: 2032-11-09

Abstract

The utility model discloses a pneumatic locking plate shearing machine, which comprises a base, a placing table, a stroke column, a driving cylinder and a connecting table; the lower end of the connecting table is fixedly provided with two clamping arms, a clamping cavity is formed between the two clamping arms, a cutter is inserted in the clamping cavity, the placing table is provided with an extending groove, the inner sides of the clamping arms are provided with mounting grooves, and locking members for locking the cutter are arranged in the mounting grooves; the locking member comprises a movable rod, a lower end extending part, an upper end extending part, an auxiliary sliding block, a movable cavity, an injection pipe, a sealing cover, a locking bolt, a hole, a compression spring, a fixing groove and a locking push block, and a locking groove is formed in the outer side of the cutter. The utility model has the advantages of it is following and effect: the change of cutter is more convenient, need not to use the bolt to come the stationary knife, and then effectively eliminates the screw hole and takes place the hidden danger of smooth silk.

Description

Pneumatic locking plate shearing machine

Technical Field

The utility model relates to the field of machine-building, in particular to pneumatic locking plate shearing machine.

Background

The plate shearing machine is a widely used device, and applies shearing force to plates with various thicknesses by controlling the movement of a cutter, so that the plates are broken and separated according to required sizes.

The cutter in the existing plate shearing machine needs to be replaced according to the plate, and the cutter is easy to wear, so that the cutter is replaced very frequently in actual operation; in the prior art, a cutter is generally fixed in a bolt screwing mode, the process of screwing in and screwing out a bolt is complex and labor-consuming, and meanwhile, a threaded hole formed in a plate shearing machine has the hidden danger of thread sliding, so that the situation that the cutter cannot be screwed with the bolt is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pneumatic locking plate shearing machine to solve the problem that proposes among the background art.

The above technical object of the present invention can be achieved by the following technical solutions: a pneumatic locking plate shearing machine comprises a base serving as a bearing structure, wherein a placing table for placing plates is fixedly arranged at the upper end of the base, a longitudinal stroke column is also fixedly arranged at the upper end of the base, a longitudinal driving air cylinder is fixedly arranged on the stroke column, an output shaft of the driving air cylinder faces downwards in the longitudinal direction, and a connecting table is fixedly arranged on the output shaft of the driving air cylinder;

two clamping arms are fixedly arranged at the lower end of the connecting table, a clamping cavity is formed between the two clamping arms, a cutter used for performing plate shearing operation is inserted into the clamping cavity in a damping manner, and an extension groove for inserting the cutter is formed in the placing table; mounting grooves are formed in the inner sides of the two clamping arms, and locking members for locking cutters are arranged in the mounting grooves;

the locking member comprises a movable rod, the movable rod is transversely arranged in the mounting groove, a lower end extending part is fixedly arranged at the lower end of the movable rod, the lower end extending part is attached to the lower end wall of the mounting groove, an upper end extending part is fixedly arranged at the upper end of the movable rod, an auxiliary sliding block is fixedly arranged at the upper end of the upper end extending part, the upper end of the auxiliary sliding block is attached to the upper end wall of the mounting groove, a movable cavity is formed between the inner side of the auxiliary sliding block and the upper end wall of the mounting groove, an injection pipe communicated with the movable cavity is fixedly arranged on the surface of the clamping arm, gas is injected through the injection pipe, and the injected gas can push the auxiliary sliding block to move towards the outer side;

a sealing cover is fixedly arranged at the notch of the mounting groove, the sealing cover and the clamping arm are fixed through a locking bolt, and the sealing cover is provided with an opening for the outer side end of the movable rod to extend out; a compression spring is also arranged in the mounting groove, one end of the compression spring is connected with the sealing cover, the other end of the compression spring is connected with the lower end extending part and the upper end extending part, and the movable rod has the tendency of moving towards the inner side through the spring acting force of the compression spring;

the fixed slot has been seted up to the medial extremity of movable rod, and the fixed slot internal fixation be provided with the locking ejector pad, the outside of cutter seted up the locking groove, the locking ejector pad can imbed to the locking groove under compression spring's elastic force, reach the purpose of locking cutter.

The further setting is that: the upper end of the auxiliary sliding block is provided with a sealing groove, and a graphite sealing ring is arranged in the sealing groove.

The further setting is that: wear-resistant blocks are fixedly arranged at the upper end and the lower end of the locking push block.

The further setting is that: the surface of the clamping arm is hinged with a rotating disc, and the rotating disc is attached to the surface of the cutter through rotation.

The beneficial effects of the utility model reside in that:

1. the utility model discloses in be formed with the centre gripping chamber between two centre gripping arms, the cutter can the damped inserts to the centre gripping intracavity, the inboard of centre gripping arm has seted up the mounting groove, be provided with locking member in the mounting groove, locking member includes the movable rod, the movable rod can transversely move in the mounting groove, lower extreme extension plays the purpose of supporting spacing movable rod, the fixed auxiliary slider that is provided with on the upper end extension, auxiliary slider can cooperate the upper end wall to form the activity chamber, be connected with the injection tube on the activity chamber, inject into gas through the injection tube, the gas of injecting into can promote auxiliary slider to move towards the outside; compression spring can be fixed to the closing cap, and compression spring can promote the movable rod and move towards the inboard, and the inboard of movable rod is provided with the locking ejector pad, and the locking ejector pad can be embedded into to the locking groove under compression spring's elastic force, reaches the purpose of locking cutter, has the good advantage of stability. And then the change of cutter is more convenient, and need not to use the bolt to fix the cutter, effectively eliminates the screw hole and takes place the hidden danger of smooth silk.

2. The utility model discloses well graphite seal circle set up can play the purpose in isolation activity chamber, avoids the gas leakage in the activity intracavity to the mounting groove in.

3. The utility model discloses in the upper and lower end setting wear-resisting piece of locking ejector pad, can improve the wearability, avoid wearing and tearing.

4. The utility model discloses in rotatable rolling disc plays spacing cutter's effect.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 2;

FIG. 4 is a schematic structural view of an injection pipe according to an embodiment.

In the figure: 11. a base; 12. a placing table; 121. an extension groove; 13. a stroke post; 14. a driving cylinder; 15. a connecting table; 16. a clamp arm; 17. a clamping cavity; 18. a cutter; 181. a locking groove; 21. mounting grooves; 31. a movable rod; 311. a lower end extension; 312. an upper end extension; 32. an auxiliary slide block; 33. a movable cavity; 34. an injection pipe; 41. sealing the cover; 42. opening a hole; 43. a locking bolt; 51. a compression spring; 61. fixing grooves; 62. locking the push block; 63. a wear-resistant block; 71. a graphite seal ring; 81. and (6) rotating the disc.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, a pneumatic locking plate shearing machine includes a base 11 as a bearing structure, a placing table 12 for placing a plate is fixedly arranged at the upper end of the base 11, a longitudinal stroke column 13 is also fixedly arranged at the upper end of the base 11, a longitudinal driving cylinder 14 is fixedly arranged on the stroke column 13, an output shaft of the driving cylinder 14 faces downwards in the longitudinal direction, and a connecting table 15 is fixedly arranged on the output shaft of the driving cylinder 14;

two clamping arms 16 are fixedly arranged at the lower end of the connecting table 15, a clamping cavity 17 is formed between the two clamping arms 16, a cutter 18 for performing plate shearing operation is inserted into the clamping cavity 17 in a damping manner, and an extension groove 121 for inserting the cutter 18 is formed in the placing table 12; mounting grooves 21 are formed in the inner sides of the two clamping arms 16, and locking members for locking the cutters 18 are arranged in the mounting grooves 21;

the locking member comprises a movable rod 31, the movable rod 31 is transversely arranged in the mounting groove 21, a lower end extension part 311 is fixedly arranged at the lower end of the movable rod 31, the lower end extension part 311 is attached to the lower end wall of the mounting groove 21, an upper end extension part 312 is fixedly arranged at the upper end of the movable rod 31, an auxiliary slide block 32 is fixedly arranged at the upper end of the upper end extension part 312, the upper end of the auxiliary slide block 32 is attached to the upper end wall of the mounting groove 21, a movable cavity 33 is formed between the inner side of the auxiliary slide block 32 and the upper end wall of the mounting groove 21, an injection pipe 34 communicated with the movable cavity 33 is fixedly arranged on the surface of the clamping arm 16, and gas is injected through the injection pipe 34 and can push the auxiliary slide block 32 to move towards the outer side;

a sealing cover 41 is fixedly arranged at the notch of the mounting groove 21, the sealing cover 41 and the clamping arm 16 are fixed through a locking bolt 43, and the sealing cover 41 is provided with an opening 42 for the outer side end of the movable rod 31 to extend out; a compression spring 51 is further provided in the mounting groove 21, one end of the compression spring 51 is connected to the cover 41, and the other end is connected to the lower end extension 311 and the upper end extension 312, and the movable rod 31 has a tendency to move toward the inside by the spring force of the compression spring 51;

a fixing groove 61 is formed at the end portion of the inner side of the movable rod 31, a locking push block 62 is fixedly arranged in the fixing groove 61, a locking groove 181 is formed in the outer side of the cutter 18, and the locking push block 62 can be embedded into the locking groove 181 under the elastic acting force of the compression spring 51, so that the purpose of locking the cutter 18 is achieved.

A seal groove is formed at the upper end of the auxiliary slider 32, and a graphite seal ring 71 is provided in the seal groove.

Wherein, the upper and lower ends of the locking push block 62 are fixedly provided with wear-resistant blocks 63, and the wear-resistant blocks 63 are made of tungsten-cobalt alloy.

A rotary disk 81 is hinged to the surface of the clamp arm 16, and the rotary disk 81 is rotated to be in contact with the surface of the tool 18.

The working principle of the embodiment is as follows:

when the cutter 18 is installed, gas is injected into the injection pipe 34, and the gas can push the auxiliary slide block 32 to move, so that the locking push block 62 is driven to be hidden in the installation groove 21, and the cutter 18 can be smoothly pushed into the clamping cavity 17; then, the gas in the injection pipe 34 is pumped out, and the locking push block 62 can be inserted into the locking groove 181 of the cutter 18 under the elastic force of the compression spring 51, so as to lock the cutter 18. When the tool 18 needs to be disassembled, gas is injected into the injection pipe 34, and the gas can push the auxiliary sliding block 32 to move, so that the locking pushing block 62 is driven to be separated from the locking groove 181, and the tool 18 can be taken out conveniently.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A pneumatic locking plate shearing machine comprises a base (11) serving as a bearing structure, wherein a placing platform (12) for placing plates is fixedly arranged at the upper end of the base (11), a longitudinal stroke column (13) is also fixedly arranged at the upper end of the base (11), a longitudinal driving cylinder (14) is fixedly arranged on the stroke column (13), an output shaft of the driving cylinder (14) faces downwards in the longitudinal direction, and a connecting platform (15) is fixedly arranged on the output shaft of the driving cylinder (14); the method is characterized in that:

two clamping arms (16) are fixedly arranged at the lower end of the connecting table (15), a clamping cavity (17) is formed between the two clamping arms (16), a cutter (18) for performing plate shearing operation is inserted into the clamping cavity (17) in a damping manner, and an extending groove (121) for inserting the cutter (18) is formed in the placing table (12); mounting grooves (21) are formed in the inner sides of the two clamping arms (16), and locking members for locking the cutter (18) are arranged in the mounting grooves (21);

the locking member comprises a movable rod (31), the movable rod (31) is transversely arranged in the mounting groove (21), a lower end extending part (311) is fixedly arranged at the lower end of the movable rod (31), the lower end extending part (311) is attached to the lower end wall of the mounting groove (21), an upper end extending part (312) is fixedly arranged at the upper end of the movable rod (31), an auxiliary sliding block (32) is fixedly arranged at the upper end of the upper end extending part (312), the upper end of the auxiliary sliding block (32) is attached to the upper end wall of the mounting groove (21), a movable cavity (33) is formed between the inner side of the auxiliary sliding block (32) and the upper end wall of the mounting groove (21), an injection pipe (34) communicated with the movable cavity (33) is fixedly arranged on the surface of the clamping arm (16), gas is injected through the injection pipe (34), and the injected gas can push the auxiliary sliding block (32) to move towards the outer side;

a sealing cover (41) is fixedly arranged at the notch of the mounting groove (21), the sealing cover (41) and the clamping arm (16) are fixed through a locking bolt (43), and the sealing cover (41) is provided with an opening (42) for the outer side end of the movable rod (31) to extend out; a compression spring (51) is further arranged in the mounting groove (21), one end of the compression spring (51) is connected to the sealing cover (41), the other end of the compression spring is connected to the lower end extending part (311) and the upper end extending part (312), and the movable rod (31) has a tendency of moving towards the inner side through the spring acting force of the compression spring (51);

the utility model discloses a locking device, including activity pole (31), fixed slot (61) have been seted up to the medial extremity of activity pole (31), and fixed slot (61) internal fixation be provided with locking ejector pad (62), the outside of cutter (18) seted up locking groove (181), locking ejector pad (62) under the elastic force of compression spring (51) can be embedded into locking groove (181), reach the purpose of locking cutter (18).

2. A pneumatic locking plate shearing machine as claimed in claim 1, characterized in that: the upper end of the auxiliary sliding block (32) is provided with a sealing groove, and a graphite sealing ring (71) is arranged in the sealing groove.

3. A pneumatic locking plate shearing machine as claimed in claim 1, characterized in that: wear-resistant blocks (63) are fixedly arranged at the upper end and the lower end of the locking push block (62).

4. A pneumatic locking plate shearing machine as claimed in claim 1, characterized in that: a rotating disc (81) is hinged on the surface of the clamping arm (16), and the rotating disc (81) is attached to the surface of the cutter (18) through rotation.