Clamp for bending machine
Technical Field
The utility model belongs to the technical field of bender anchor clamps, concretely relates to anchor clamps for bender.
Background
The bender is a device that can bend thinner metal sheet, by the wide application in the industrial production, and the bender divide into manual bender, hydraulic bending machine and numerical control bender, and manual bender divide into mechanical manual bender and electronic manual bender again, and hydraulic bending machine can divide into again according to the synchronous mode: the torsion shaft is synchronous, the machine is synchronous, and the electro-hydraulic is synchronous, and the hydraulic bending machine can be divided into according to the motion mode again: go up dynamic formula, down dynamic formula, the anchor clamps of bender are exactly the bed die of bending, are one of the important spare part of bender, and the current positioning fixture who is used for the bender does not set up the structure of adjusting height to can't be applicable to the bender of various different models, have the limitation, need change different anchor clamps when needs are to different panel or need roll over the panel of different angles, make a round trip to change the efficiency that anchor clamps seriously influence was bent.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anchor clamps for bending machine to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: a clamp for a bending machine comprises a bending mechanism and a clamp mechanism, wherein the bending mechanism comprises a bottom plate and a tool rest, a frame is arranged at the top of the bottom plate, sliding grooves A are uniformly formed in the lower surface of the inner side of the frame, movable grooves are symmetrically formed in the lower main body of the frame, a plurality of the sliding grooves A are communicated with the inner parts of the movable grooves, an adjusting groove is formed in the lower surface of the inner part of the frame and is arranged between the two movable grooves, the clamp mechanism comprises a clamping block, a limiting bolt and a lifting block, an upper rack is uniformly arranged on the lower surface of the clamping block, the clamping block is symmetrically provided with two upper racks, the upper racks are all slidably arranged in the sliding grooves A, an adjusting half shaft is mounted on the upper surface of the upper rack, an extending plate is arranged on one side of the adjusting half shaft, a mounting groove is uniformly formed in the outer side surface of the clamping block, and a return spring is mounted on the lower surface in the mounting groove through a pin shaft, return spring runs through the mounting groove, and is a plurality of the return spring top all is installed at the extension board lower surface through the round pin axle, the activity inslot portion is through round pin axle installation pivot, the pivot surface evenly is provided with the gear, and is a plurality of the gear respectively with a plurality of go up rack intermeshing, pivot one end runs through the frame, pivot one end is provided with the hand wheel, the frame outside is arranged in to the hand wheel.
Preferably, a V-shaped groove is formed in the top of the lifting block, the lifting block is arranged between the two clamping blocks, a limiting block is arranged at the bottom of the lifting block, the lower end of the limiting block is slidably mounted in the adjusting groove, and supporting rods are uniformly arranged at the bottom of the limiting block.
Preferably, the bottom surface of the movable groove is provided with two sliding grooves B which are communicated with the inside of the adjusting groove, and a lower rack is arranged in each sliding groove B in a sliding manner.
Preferably, the bottom of the gear is meshed with the lower rack, and one end of the lower rack is provided with a connecting rod through a pin shaft.
Preferably, the connecting rods are arranged in the adjusting grooves, and one ends of the two connecting rods, which are deviated from the lower rack, are arranged at the bottom of the supporting rod through pin shafts.
Preferably, a limiting hole is evenly formed in the surface of one side of the frame, the limiting bolt is located on the same side as the hand wheel, the surface of the hand wheel is slidably provided with the limiting bolt, the limiting bolt penetrates through the hand wheel, and the end of the limiting bolt is matched with the inner size of the limiting hole.
Preferably, the inner surface of the frame is provided with limiting grooves, a tool rest is arranged between the limiting grooves in a sliding mode, an upper die cutter is arranged at the bottom of the tool rest, a driving piece is arranged at the top of the frame, and the output shaft end of the driving piece is connected with the surface of the top of the tool rest.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides an anchor clamps for bending machine, this anchor clamps can be adjusted two bottom clamp splice distances, in order to adapt to the different needs of bending, simultaneously for guaranteeing the precision of bending, be provided with V type piece below two clamp splices, and the adjustment that the clamp splice can be followed to V type piece realizes automatically regulated, be provided with the adjustment semi-axis on the clamp splice surface, in-process bending, its panel can contact with adjustment semi-axis upper surface, through the rotation of adjustment semi-axis self, in order to reduce the friction on bending in-process panel surface, improve the panel surface quality after bending.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a longitudinal left sectional view of the clamp of the present invention;
fig. 3 is a schematic view of the clamp structure of the present invention.
In the figure: 1. a bending mechanism; 101. a base plate; 102. a frame; 103. a chute A; 104. a movable groove; 105. a chute B; 106. an adjustment groove; 107. a drive member; 108. a limiting groove; 109. A tool holder; 110. feeding a die cutter; 111. a limiting hole; 2. a clamp mechanism; 201. a clamping block; 202. An upper rack; 203. mounting grooves; 204. adjusting the half shaft; 205. an extension plate; 206. a lifting block; 207. a V-shaped groove; 208. a limiting block; 209. a support bar; 210. a rotating shaft; 211. a gear; 212. a lower rack; 213. a connecting rod; 214. a limit bolt; 215. a return spring; 216. Hand wheel.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
Referring to fig. 1-3, the present invention provides the following technical solutions: a clamp for a bending machine comprises a bending mechanism 1 and a clamp mechanism 2, wherein the bending mechanism 1 comprises a bottom plate 101 and a tool rest 109, a frame 102 is arranged at the top of the bottom plate 101, sliding grooves A103 are uniformly formed in the lower surface of the inner side of the frame 102, movable grooves 104 are symmetrically formed in the lower main body of the frame 102, a plurality of sliding grooves A103 are communicated with the inner part of the movable grooves 104, an adjusting groove 106 is formed in the lower surface of the inner part of the frame 102, the adjusting groove 106 is arranged between the two movable grooves 104, the clamp mechanism 2 comprises a clamping block 201, a limiting bolt 214 and a lifting block 206, upper racks 202 are uniformly arranged on the lower surface of the clamping block 201, two clamping blocks 201 are symmetrically arranged, a plurality of upper racks 202 are slidably arranged in the sliding grooves A103, an adjusting half shaft 204 is arranged on the upper surface of each upper rack 202, an extending plate 205 is arranged on one side of each adjusting half shaft 204, mounting grooves 203 are uniformly formed in the outer surface of the clamping block 201, a return spring 215 is arranged on the lower surface of the mounting groove 203 through a pin shaft, the return springs 215 penetrate through the mounting grooves 203, the tops of the return springs 215 are mounted on the lower surface of the extension plate 205 through pins, the rotating shaft 210 is mounted inside the movable groove 104 through pins, gears 211 are uniformly arranged on the surface of the rotating shaft 210, the gears 211 are meshed with the upper racks 202 respectively, one end of the rotating shaft 210 penetrates through the frame 102, a hand wheel 216 is arranged at one end of the rotating shaft 210, and the hand wheel 216 is arranged on the outer side of the frame 102.
In order to ensure the bending precision through the bottom V-shaped groove 207, it is necessary to ensure that the lifting block 206 must be automatically adjusted along with the movement of the two clamping blocks 201, in this embodiment, preferably, the top of the lifting block 206 is provided with the V-shaped groove 207, the lifting block 206 is arranged between the two clamping blocks 201, the bottom of the lifting block 206 is provided with a limiting block 208, the lower end of the limiting block 208 is slidably mounted inside the adjusting groove 106, the bottom of the limiting block 208 is uniformly provided with a support rod 209, the bottom surface of the movable groove 104 is provided with a sliding groove B105, the two sliding grooves B105 are both communicated with the inside of the adjusting groove 106, the inside of the sliding groove B105 is slidably mounted with a lower rack 212, the bottom of the gear 211 is engaged with the lower rack 212, and one end of the lower rack 212 is provided with a connecting rod 213 through a pin shaft.
In order to ensure the moving direction of the lifting block 206, when the distance between the clamping blocks 201 increases, the lifting block 206 moves downwards, and vice versa, in this embodiment, preferably, the connecting rods 213 are disposed inside the adjusting slots 106, and one ends of the two connecting rods 213, which are far away from the lower rack 212, are mounted at the bottom of the supporting rod 209 through a pin.
In order to ensure the stability of the device during the bending process, in this embodiment, preferably, a limiting hole 111 is uniformly formed in a surface of one side of the frame 102, the limiting bolt 214 is located on the same side as the hand wheel 216, the limiting bolt 214 is slidably mounted on the surface of the hand wheel 216, the limiting bolt 214 penetrates through the hand wheel 216, and the end of the limiting bolt 214 is matched with the inner dimension of the limiting hole 111.
In order to ensure that the handwheel 216 does not rotate during the adjustment process, so as to ensure that the positions of the internal clamping block 201 and the lifting block 206 can be kept unchanged, in this embodiment, preferably, the inner surface of the frame 102 is provided with limiting grooves 108, a tool rest 109 is slidably mounted between the two limiting grooves 108, the bottom of the tool rest 109 is provided with an upper die cutter 110, the top of the frame 102 is provided with a driving member 107, and the output shaft end of the driving member 107 is connected with the top surface of the tool rest 109.
The utility model discloses a theory of operation and use flow: after the utility model is installed, firstly, the installation fixation and safety protection of the utility model are checked, then the utility model can be used, when in use, according to the distance between two clamping blocks 201 with the bending angle, two hand wheels 216 can be rotated at the same time to drive the rotating shaft 210 to rotate, a plurality of gears 211 on the surface of the rotating shaft can be driven to rotate, the gears 211 can be meshed with the upper rack 202 and the lower rack 212 to drive the upper rack 202 and the lower rack 212 to move, when the distance between the clamping blocks 201 needs to be increased, the two hand wheels 216 can be rotated at the same time, and the rotating directions between the two hand wheels 216 are opposite, the rotating distances are the same, so that the two clamping blocks 201 move relatively, and the moving directions are opposite, the moving distances are the same, when the two clamping blocks 201 move outwards, the two lower racks 212 move inwards at the same time, and can drive the supporting rod 209 to move downwards through the connecting rod 213, the support rod 209 and the limit block 208 are fixedly arranged, and the limit block 208 is limited by the adjusting groove 106, so that the limit block 208 can be driven to move downwards, the lifting block 206 is ensured to be arranged between the two clamping blocks 201 all the time, after the adjustment is finished, the limit bolt 214 on the outer side can be matched with one limit hole 111 to realize fixation, the hand wheel 216 is prevented from rotating in the bending process, the hand wheel 216 can not rotate after the limit bolt 214 is effectively fixed, the positions of the clamping blocks 201 and the lifting block 206 can be ensured to be fixed, the top surfaces of the two adjusting half shafts 204 are in the same horizontal position in the initial state, a plate to be bent can be arranged on the upper surfaces of the two adjusting half shafts 204, and then the driving piece 107 is started to drive the tool rest 109 and the upper tool rest 110 to move up and down, the two ends of the knife rest 109 are always limited by the limiting grooves 108, so that the stability of the knife rest 109 during bending operation can be ensured, a plate can be driven to move downwards between the two adjusting half shafts 204 in the bending process, the adjusting half shafts 204 on the two sides can be driven to rotate in the pressing process in order to reduce the friction of the plate, the return spring 215 stores power at the moment, and after the bending is finished, the plate is separated from the device, and the adjusting half shafts 204 can return due to the stored power of the return spring 215 in advance.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.