CN115008221A - Machine tool fixture for machining - Google Patents
Machine tool fixture for machining Download PDFInfo
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- CN115008221A CN115008221A CN202210952946.2A CN202210952946A CN115008221A CN 115008221 A CN115008221 A CN 115008221A CN 202210952946 A CN202210952946 A CN 202210952946A CN 115008221 A CN115008221 A CN 115008221A
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- 238000003754 machining Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 238000009434 installation Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 2
- 238000013459 approach Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 230000003014 reinforcing effect Effects 0.000 description 6
- 230000001788 irregular Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention relates to the field of workpiece clamps, in particular to a machine tool clamp for machining. The clamping blocks are internally provided with an installation cavity, and each clamping block is provided with a plurality of clamping rods in an array manner. One end of the clamping spring is connected with the clamping rod, and the other end of the clamping spring is connected with one side, far away from the clamping rod, of the mounting cavity so that the clamping spring contracts to store force when the clamping rod slides towards the mounting cavity. Each force-increasing mechanism is arranged on one clamping block, and one end of each force-increasing spring is connected with one end of each clamping rod. The force increasing rod is inserted on the clamping block in a sliding way; one end of each boosting rod is fixedly connected with the other end of one boosting spring; the locking mechanism is used for enabling the boosting rod to be in a locking state when the clamping rod slides into the mounting cavity, so that the boosting spring contracts to store force when the clamping rod slides into the mounting cavity; the driving mechanism is used for driving the two clamping blocks to approach each other, and the force-increasing spring contracts the clamping rod to increase the clamping force of the object, so that the clamping effect of the objects in different shapes can be improved.
Description
Technical Field
The invention relates to the field of workpiece clamps, in particular to a machine tool clamp for machining.
Background
The fixture is also called a fixture, and particularly refers to a device for fixing a processing object to enable the processing object to occupy a correct position to receive construction or detection in a mechanical manufacturing process. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig. The existing clamping tools can only clamp plate members with regular shapes basically, such as a round workpiece clamping tool and a square workpiece clamping tool, and for workpieces with irregular shapes, the outline edges of the workpieces are difficult to clamp and fix, so that a machining clamp for machine production needs to be provided, and the problem is solved.
Disclosure of Invention
The invention provides a machine tool clamp for machining, and aims to solve the problem that an existing furniture cannot clamp an irregular workpiece.
The invention relates to a machine tool clamp for machining, which adopts the following technical scheme:
a machine tool clamp for machining comprises two clamping blocks, two force-increasing mechanisms, two locking mechanisms and a driving mechanism; the two clamping blocks are symmetrically arranged and can move relatively; an installation cavity is arranged in the clamping block; each clamping block is provided with a plurality of clamping rods in an array; the clamping rod extends along the moving direction of the clamping block, can be inserted on the clamping block in a sliding manner along the moving direction of the clamping block, and has one end positioned in the mounting cavity; one end of each clamping rod is provided with a clamping spring; one end of the clamping spring is connected with the clamping rod, and the other end of the clamping spring is connected with one side of the mounting cavity far away from the clamping rod, so that the clamping spring contracts to store force when the clamping rod slides into the mounting cavity; each force increasing mechanism is arranged on one clamping block; the force increasing mechanism comprises a plurality of force increasing rods and a plurality of force increasing springs; one end of each boosting spring is connected with one end of each clamping rod; the force increasing rod is horizontally arranged, extends along the moving direction of the clamping block and is inserted on the clamping block in a sliding way; one end of each boosting rod is fixedly connected with the other end of one boosting spring; the locking mechanism is used for enabling the boosting rod to be in a locking state when the clamping rod slides into the mounting cavity, so that the boosting spring contracts to store force when the clamping rod slides into the mounting cavity; the driving mechanism is used for driving the two clamping blocks to approach each other.
Further, the locking mechanism comprises a locking plate, a gear carrier, a plurality of locking gears and a plurality of trigger components; the force increasing rod is a rack; the gear rack can be arranged at the other ends of the boosting rods; the locking gears are rotatably and slidably arranged on the gear rack, and a preset distance is kept between each locking gear and one force increasing rod in an initial state so as to be meshed with the force increasing rod when the locking gears slide on the gear rack for the preset distance; a plurality of braking racks are arranged on the locking plate; the locking plate is positioned at the other ends of the force increasing rods, and the force increasing rods can penetrate through the locking plate; the locking plate is positioned on one side of the gear rack far away from the clamping block, so that each braking rack is meshed with one locking gear when the locking rod slides towards the gear rack for a preset distance; the locking plate and the clamping block move synchronously; each trigger component is connected with one clamping rod, so that when the clamping rods slide towards the installation cavity, the trigger components drive the corresponding locking gears to slide on the gear rack.
Further, the triggering assembly comprises a linkage gear, a triggering rack, a transmission rack and a linkage rod; a plurality of gear seats are arranged on the side wall of one side of the clamping block, from which the force-increasing rod extends out; each gear seat is positioned below one boosting rod; the linkage gear is rotatably arranged on the gear seat; one end of each trigger rack is fixedly connected with one end of the clamping rod, and the other end of each trigger rack extends out of the mounting cavity and is meshed with the linkage gear; the linkage rod and the force-increasing rod are parallel to each other and are positioned below the force-increasing rod; the linkage rod is horizontally arranged on the gear rack in a sliding manner and is connected with the locking gear; the transmission rack is horizontally arranged and is vertical to the linkage rod, fixedly connected with one end of the linkage rod close to the linkage gear, and meshed with the linkage gear so as to drive the linkage rod to slide on the gear rack when the linkage gear rotates.
Further, the driving mechanism comprises a driving gear and two driving racks; the driving rack is horizontally arranged; each driving rack is connected with one clamping block respectively; the driving gear is rotatably arranged and located between the two driving racks and meshed with the two driving gears and one driving rack, so that the two driving racks are driven to be close to each other when the driving gear rotates.
Furthermore, one end of the driving rack is fixedly connected with the locking plate; a connecting plate is arranged on the side wall of one side of the clamping block, from which the clamping rod extends out; a buffer cavity extending along the length direction is arranged in the driving rack, and connecting grooves communicated with the buffer cavity are formed in the ends, located on the connecting plate and the gear rack, of the driving rack; a connecting rod is arranged in the buffer groove, one end of the connecting rod is fixedly connected with the connecting plate through a connecting groove positioned on one side of the connecting plate, and the other end of the connecting rod is connected with the gear rack in a sliding manner through a connecting groove positioned on one end of the gear rack; a fixed block is fixedly arranged on the connecting rod; the connecting rod is sleeved with a first spring and a second spring; one end of the first spring is fixedly connected with the connecting plate, and the other end of the first spring is fixedly connected with the fixed block; one end of the second spring is fixedly connected with the gear rack, and the other end of the second spring is fixedly connected with the fixed block.
Furthermore, the gear rack is in a plate shape, and a plurality of sliding grooves are arrayed on the gear rack; the sliding groove penetrates through the gear rack along the length of the force increasing rod; the linkage rod and the force-increasing rod can penetrate through the sliding groove; a sliding frame is arranged in the sliding groove in a sliding mode, the locking gear is arranged on the sliding frame in a sliding mode, and the sliding frame is connected with the linkage rod.
Furthermore, the clamping rod is tubular, the clamping spring is inserted in the clamping rod, and one end of the force increasing rod is slidably inserted in the clamping rod.
Furthermore, the driving mechanism also comprises a driving frame and a driving motor; the driving frame is horizontally arranged, and the clamping plate is slidably arranged on the mounting frame; the driving gear is rotatably arranged on the driving frame; the driving motor is arranged on the driving frame and is connected with the driving gear.
The invention has the beneficial effects that: the machine tool clamp for machining comprises two clamping blocks, two force-increasing mechanisms, two locking mechanisms and a driving mechanism, and the two clamping blocks are driven to rotate and drive to mutually approach. The object that needs the centre gripping is located between two grip blocks to when the contact of clamping lever and object when two grip blocks are close to, the grip block continues moving for the clamping lever, thereby makes the clamping lever with the contact of object slide to the installation cavity. Locking mechanism is used for when the supporting rod slides to the installation cavity, to the reinforcing rod locking, and then make when the supporting rod contracts to the installation cavity in, distance between reinforcing rod and the supporting rod is close to gradually, the reinforcing spring contracts the clamping-force reinforcing of clamping rod to the object, and then can improve the centre gripping effect to the object of different shapes, the clamping rod of the object of contact again simultaneously can keep original state of stretching out, thereby many objects wrap up, further improve the effect of the irregular object of centre gripping, make the security reinforcing by the centre gripping object.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of a machine tool holder for machining according to the present invention;
FIG. 2 is a top view of an embodiment of a machine tool clamp of the present invention;
FIG. 3 is a schematic diagram illustrating an internal structure of a clamping block of an embodiment of a machine tool clamp according to the present invention;
FIG. 4 is a schematic diagram of the clamping rod and force increasing assembly of the machine tool clamp of the present invention;
FIG. 5 is a schematic view of a portion of an embodiment of a machine tool fixture according to the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5 at A;
FIG. 7 is a schematic view of a locking plate of an embodiment of a machine tool fixture according to the present invention;
in the figure: 100. a drive motor; 110. a drive gear; 120. a drive rack; 130. a driving frame; 140. a clamping block; 141. a connecting rod; 142. a first spring; 143. a second spring; 144. a mounting cavity; 145. a buffer chamber; 150. a clamping rod; 151. triggering the rack; 160. a clamping spring; 170. a linkage gear; 180. a drive rack; 181. a linkage rod; 191. a carriage; 192. a lock gear; 200. a force increasing rod; 210. a lock plate; 211. a brake rack; 220. a gear carrier; 230. a force-increasing spring.
Detailed Description
The technical solutions 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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of a machine tool holder for machining according to the present invention, as shown in fig. 1 to 7, includes two holding blocks 140, two force-increasing mechanisms, two locking mechanisms, and a driving mechanism. The two clamping blocks 140 are symmetrically arranged and can move relatively, the two clamping blocks 140 are horizontally and symmetrically arranged, and the two clamping blocks 140 can be close to or far away from each other. The clamping block 140 has a mounting cavity 144 therein, and the clamping block 140 is in the shape of a rectangular parallelepiped and has a hollow interior. Each clamping block 140 is provided with a plurality of clamping rods 150 in an array manner, the clamping rods 150 extend along the moving direction of the clamping block 140, and can be slidably inserted into the clamping block 140 along the moving direction of the clamping block 140, one end of each clamping rod 150 is located in the installation cavity 144, the clamping rods 150 are horizontally arranged along the left-right direction, and one end of each clamping rod 150 in the silent installation cavity 144 is provided with a limiting block to prevent the clamping rods 150 from being separated from the clamping block 140. One end of each clamping rod 150 positioned in the mounting cavity 144 is provided with a clamping spring 160; one end of the clamping spring 160 is connected to the clamping rod 150, and the other end is connected to the side of the mounting cavity 144 away from the clamping rod 150, so that when the clamping rod 150 slides into the mounting cavity 144, the clamping spring 160 contracts to store power, and the clamping spring 160 is arranged to keep the clamping rod 150 extending out of the clamping block 140. Specifically, the clamping bar 150 has a tubular shape, the clamping spring 160 is inserted into the clamping bar 150, and one end of the force-increasing rod 200 is slidably inserted into the clamping bar 150.
Each force increasing mechanism is provided on one of the clamping blocks 140, and the force increasing mechanism includes a plurality of force increasing rods 200 and a plurality of force increasing springs 230. One end of each boosting spring 230 is connected with one end of the clamping rod 150, and the boosting rod 200 is horizontally arranged, extends along the moving direction of the clamping block 140, and is slidably inserted on the clamping block 140; one end of each force increasing rod 200 is fixedly connected to the other end of one force increasing spring 230, and the other end extends out of the mounting cavity 144 in a direction away from the clamping rod 150. When the force increasing rod 200 of the force increasing rod 200 approaches relative to the clamping rod 150, the force increasing spring 230 contracts, so that the outward pushing force of the force increasing spring 230 on the clamping rod 150 is increased, and the clamping force of the clamping rod 150 on the two clamping blocks 140 on the object is increased.
The locking mechanism is used to lock the force increasing rod 200 when the clamping rod 150 slides into the mounting cavity 144, so that the force increasing spring 230 contracts to store force when the clamping rod 150 slides into the mounting cavity 144, and further, the distance between the force increasing rod 200 and the clamping rod 150 gradually approaches when the clamping rod 150 contracts into the mounting cavity 144. The driving mechanism is used to drive the two clamping blocks 140 to approach each other.
In the present embodiment, as shown in fig. 2 to 7, the lock mechanism includes a lock plate 210, a gear carrier 220, a plurality of lock gears 192, and a plurality of trigger members. The booster bars 200 are racks, and the gear holder 220 may be installed at the other ends of the plurality of booster bars 200. The lock gears 192 are rotatably and slidably disposed on the gear frame 220, and a predetermined distance is maintained between each of the lock gears 192 and one of the booster levers 200 in an initial state to be engaged with the booster lever 200 when the lock gear 192 slides on the gear frame 220 by the predetermined distance, and the lock gear 192 is engaged with the booster lever 200 when sliding toward the booster lever 200, and in particular, the lock gears 192 are slidable in the forward and backward directions. The locking plate 210 is provided with a plurality of braking racks 211, and the plurality of braking racks 211 are arranged in an array on the locking plate 210. A lock plate 210 is located at the other end of the plurality of power increasing levers 200, and the power increasing levers 200 may penetrate the lock plate 210, and the lock plate 210 may slide with respect to the power increasing levers 200. The locking plate 210 is positioned at a side of the gear housing 220 away from the grip block 140 so that each of the brake racks 211 is engaged with one of the locking gears 192 when the locking lever slides a predetermined distance in a direction toward the gear housing 220, to lock the power boost lever 200 when the locking gear 192 is simultaneously engaged with the brake rack 211 and the power boost lever 200, thereby moving the power boost lever 200 in synchronization when the locking plate 210 moves. The locking plates 210 move in synchronization with the clamping blocks 140, and each trigger assembly is connected to one of the clamping rods 150 such that when the clamping rods 150 slide into the mounting cavities 144, the trigger assembly drives the corresponding locking gear 192 to slide on the gear frame 220 to engage the locking gear 192 with the power lever 200, thereby moving the power lever 200 and the locking plate 210 in synchronization, such that when the two clamping plates approach each other, the distance between the power lever 200 and the corresponding clamping rod 150 is continuously increased, thereby increasing the elastic force between the corresponding power springs 230.
In this embodiment, as shown in fig. 3 to 6, the triggering assembly includes a linkage gear 170, a triggering rack 151, a transmission rack 180, and a linkage rod 181. A plurality of gear seats are arranged on the side wall of the clamping block 140, on the side where the boosting rod 200 extends out, and each gear seat is positioned below or above one boosting rod 200; the link gear 170 is rotatably provided on the gear seat. One end of each trigger rack 151 is fixedly connected with one end of the clamping rod 150, and the other end extends out of the mounting cavity 144 to be meshed with the linkage gear 170. The linkage rod 181 is parallel to the force-increasing rod 200 and is located below or above the force-increasing rod 200. The linkage rod 181 horizontally penetrates the gear rack 220 and is connected to the locking gear 192, so that the locking gear 192 is driven to slide back and forth when the linkage rod 181 horizontally slides back and forth. The transmission rack 180 is horizontally arranged and perpendicular to the linkage rod 181, fixedly connected with one end of the linkage rod 181 close to the linkage gear 170, and the transmission rack 180 is meshed with the linkage gear 170 so as to drive the linkage rod 181 to slide on the gear rack 220 when the linkage gear 170 rotates, and further drive the linkage rod 181 to slide successively. Specifically, one end of the touch rack is fixedly connected to the limiting block, and the other end of the touch rack extends out of the mounting cavity 144 to be engaged with the linkage gear 170, so that when the clamping rod 150 retracts and slides into the mounting cavity 144, the other end of the corresponding transmission rack 180 is driven to extend out of the mounting cavity 144, and the linkage gear 170 is driven to rotate.
In the present embodiment, as shown in fig. 1 to 2, the driving mechanism includes a driving gear 110 and two driving racks 120, and the driving mechanism may be two driving mechanisms symmetrically disposed at the front and rear sides of the clamping block 140. The driving racks 120 are horizontally arranged, each driving rack 120 is connected with one clamping block 140, the driving gear 110 is rotatably arranged and located between the two driving racks 120 and meshed with the two driving gears 110 and one driving rack 120, so that the two driving racks 120 are driven to approach each other when the driving gear 110 rotates, and then the two clamping blocks 140 are driven to approach each other.
In this embodiment, as shown in fig. 1 to 5, one end of the driving rack 120 is fixedly connected to the locking plate 210, and a connecting plate is disposed on a sidewall of the clamping block 140 on a side where the clamping rod 150 extends. A buffer cavity 145 extending along the length direction is arranged in the driving rack 120, and connecting grooves communicated with the buffer cavity 145 are arranged at one ends of the connecting plate and the gear rack 220 of the driving rack 120. A connecting rod 141 is arranged in the buffer groove, one end of the connecting rod 141 is fixedly connected with the connecting plate through a connecting groove at one side of the connecting plate, and the other end of the connecting rod is slidably connected with the gear rack 220 through a connecting groove at one end of the gear rack 220; a fixed block is fixedly arranged on the connecting rod 141; the connecting rod 141 is sleeved with a first spring 142 and a second spring 143; one end of the first spring 142 is fixedly connected with the connecting plate, and the other end of the first spring is fixedly connected with the fixing block; one end of the second spring 143 is fixedly connected to the gear carrier 220, and the other end is fixedly connected to the fixing block. The first spring 142 is used for driving the rack gear 120 to slide continuously and the clamping block 140 to move relatively when the clamping rod 150 moves to the limit position, so that the first spring 142 is contracted. The second spring 143 is used to support the gear frame 220 so that the locking plate 210 can be moved closer to the gear frame 220 by the driving rack 120.
The gear rack 220 is plate-shaped, and a plurality of sliding grooves are arrayed on the gear rack 220; the sliding groove is penetrated through the gear rack 220 along the length of the booster bar 200 in a square shape; the linkage rod 181 and the force increasing rod 200 can both pass through the sliding groove; a sliding frame 191 is slidably arranged in the sliding groove, a locking gear 192 is slidably arranged on the sliding frame 191, and the sliding frame 191 is connected with the linkage rod 181. The driving mechanism further comprises a driving frame 130 and a driving motor 100; the driving frame 130 is horizontally arranged, and the clamping plate is slidably arranged on the mounting frame; the driving gear 110 is rotatably provided on the driving frame 130; the driving motor 100 is disposed on the driving frame 130 and connected to the driving gear 110.
During operation, an object to be clamped is placed between the two clamping blocks 140, the driving motor 100 is started, the driving motors 100 on the front side and the rear side drive the corresponding driving gears 110 to rotate, and the driving gears 110 drive the driving racks 120 to be close to each other when rotating, so that the two clamping blocks 140 are driven to be close to each other.
When the clamping rod 150 contacts with an object, the clamping block 140 is driven by the driving rack 120 to move continuously, at this time, the clamping rod 150 does not move synchronously with the clamping block 140 any more, and the clamping rod 150 is retracted in the mounting cavity 144. When the clamping rod 150 slides and retracts into the mounting cavity 144, the other end of the corresponding transmission rack 180 is driven to extend out of the mounting cavity 144, and then the linkage gear 170 is driven to rotate. The linkage gear 170 drives the transmission rack 180 to drive the linkage rod 181 to slide towards the direction of the corresponding force-increasing rod 200, so as to drive the corresponding force-increasing rod 200 to be meshed with the corresponding locking gear 192. Simultaneously, the drive rack 120, the latch plate 210, and the gear carriage 220 are moved toward each other, thereby engaging the brake rack 211 of the latch plate 210 with the corresponding lock gear 192.
When locking gear 192 meshes with brake rack 211 and boosting pole 200 simultaneously, and then make boosting pole 200 locking, thereby make corresponding boosting pole 200 synchronous motion of drive when locking plate 210 removes, the distance between boosting pole 200 and the clamping rod 150 is close to gradually, boosting spring 230 contracts and holds power and makes clamping rod 150 strengthen to the clamping-force of object, and then can improve the clamping-effect to the object of different shapes, the clamping rod 150 of the object of contact again simultaneously can keep original state of stretching out, thereby many objects wrap up, further improve the effect of the irregular object of centre gripping, make the security reinforcing by the centre gripping object.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides a machine tool anchor clamps for machining which characterized in that: the method comprises the following steps:
the two clamping blocks are symmetrically arranged and can move relatively; an installation cavity is arranged in the clamping block; each clamping block is provided with a plurality of clamping rods in an array; the clamping rod extends along the moving direction of the clamping block, can be inserted on the clamping block in a sliding manner along the moving direction of the clamping block, and one end of the clamping rod is positioned in the mounting cavity; one end of each clamping rod is provided with a clamping spring; one end of the clamping spring is connected with the clamping rod, and the other end of the clamping spring is connected with one side of the mounting cavity far away from the clamping rod, so that the clamping spring is contracted to store force when the clamping rod slides towards the mounting cavity;
each force increasing mechanism is arranged on one clamping block; the force increasing mechanism comprises a plurality of force increasing rods and a plurality of force increasing springs; one end of each boosting spring is connected with one end of each clamping rod; the force increasing rod is horizontally arranged, extends along the moving direction of the clamping block and can be inserted on the clamping block in a sliding way; one end of each boosting rod is fixedly connected with the other end of one boosting spring;
the locking mechanisms are used for enabling the boosting rod to be in a locking state when the clamping rod slides into the mounting cavity, so that the boosting spring contracts to store force when the clamping rod slides into the mounting cavity;
and the driving mechanism is used for driving the two clamping blocks to be close to each other.
2. The machine tool holder for machining according to claim 1, characterized in that:
the locking mechanism comprises a locking plate, a gear frame, a plurality of locking gears and a plurality of trigger components; the force increasing rod is a rack; the gear rack can be arranged at the other ends of the boosting rods; the locking gears are rotatably and slidably arranged on the gear rack, and a preset distance is kept between each locking gear and one force increasing rod in an initial state so as to be meshed with the force increasing rod when the locking gears slide on the gear rack for the preset distance; a plurality of braking racks are arranged on the locking plate; the locking plate is positioned at the other ends of the force increasing rods, and the force increasing rods can penetrate through the locking plate; the locking plate is positioned on one side of the gear rack far away from the clamping block, so that each braking rack is meshed with one locking gear when the locking rod slides towards the gear rack for a preset distance; the locking plate and the clamping block move synchronously; each trigger component is connected with one clamping rod, so that when the clamping rods slide towards the installation cavity, the trigger components drive the corresponding locking gears to slide on the gear rack.
3. The machine tool holder for machining according to claim 2, characterized in that:
the trigger assembly comprises a linkage gear, a trigger rack, a transmission rack and a linkage rod; a plurality of gear seats are arranged on the side wall of one side of the clamping block, from which the boosting rod extends out; each gear seat is positioned below one boosting rod; the linkage gear is rotatably arranged on the gear seat; one end of each trigger rack is fixedly connected with one end of the clamping rod, and the other end of each trigger rack extends out of the mounting cavity and is meshed with the linkage gear; the linkage rod and the force-increasing rod are parallel to each other and are positioned below the force-increasing rod; the linkage rod is horizontally arranged on the gear rack in a sliding manner and is connected with the locking gear; the transmission rack is horizontally arranged and is vertical to the linkage rod, fixedly connected with one end of the linkage rod close to the linkage gear, and meshed with the linkage gear so as to drive the linkage rod to slide on the gear rack when the linkage gear rotates.
4. The machine tool jig for machining according to claim 2, wherein:
the driving mechanism comprises a driving gear and two driving racks; the driving rack is horizontally arranged; each driving rack is connected with one clamping block respectively; the driving gear is rotatably arranged and located between the two driving racks and meshed with the two driving gears and one driving rack, so that the two driving racks are driven to be close to each other when the driving gear rotates.
5. The machine tool jig for machining according to claim 4, wherein:
one end of the driving rack is fixedly connected with the locking plate; a connecting plate is arranged on the side wall of one side of the clamping block, from which the clamping rod extends out; a buffer cavity extending along the length direction is arranged in the driving rack, and connecting grooves communicated with the buffer cavity are formed in the ends, located on the connecting plate and the gear rack, of the driving rack; a connecting rod is arranged in the buffer groove, one end of the connecting rod is fixedly connected with the connecting plate through a connecting groove positioned on one side of the connecting plate, and the other end of the connecting rod is connected with the gear rack in a sliding manner through a connecting groove positioned on one end of the gear rack; a fixed block is fixedly arranged on the connecting rod; the connecting rod is sleeved with a first spring and a second spring; one end of the first spring is fixedly connected with the connecting plate, and the other end of the first spring is fixedly connected with the fixed block; one end of the second spring is fixedly connected with the gear rack, and the other end of the second spring is fixedly connected with the fixed block.
6. The machine tool holder for machining according to claim 3, characterized in that:
the gear rack is plate-shaped, and a plurality of sliding grooves are arrayed on the gear rack; the sliding groove penetrates through the gear rack along the length of the force increasing rod; the linkage rod and the force-increasing rod can penetrate through the sliding groove; a sliding frame is arranged in the sliding groove in a sliding mode, the locking gear is arranged on the sliding frame in a sliding mode, and the sliding frame is connected with the linkage rod.
7. The machine tool holder for machining according to claim 1, characterized in that:
the clamping rod is tubular, the clamping spring is inserted in the clamping rod, and one end of the force increasing rod is slidably inserted in the clamping rod.
8. The machine tool holder for machining according to claim 4, wherein:
the driving mechanism also comprises a driving frame and a driving motor; the driving frame is horizontally arranged, and the clamping plate is slidably arranged on the mounting frame; the driving gear is rotatably arranged on the driving frame; the driving motor is arranged on the driving frame and is connected with the driving gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210952946.2A CN115008221A (en) | 2022-08-10 | 2022-08-10 | Machine tool fixture for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210952946.2A CN115008221A (en) | 2022-08-10 | 2022-08-10 | Machine tool fixture for machining |
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| Publication Number | Publication Date |
|---|---|
| CN115008221A true CN115008221A (en) | 2022-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210952946.2A Pending CN115008221A (en) | 2022-08-10 | 2022-08-10 | Machine tool fixture for machining |
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| Country | Link |
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| CN (1) | CN115008221A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115285840A (en) * | 2022-09-30 | 2022-11-04 | 江苏大力神新型建材有限公司 | High-strength concrete pipe pile installation device |
| CN116117564A (en) * | 2023-01-13 | 2023-05-16 | 广州随尔轮毂有限公司 | Hub machining machine tool |
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| CN114734276A (en) * | 2022-04-15 | 2022-07-12 | 遵义职业技术学院 | Clamping device for drilling of preset self-adjusting full-positioning automobile parts |
| CN216967025U (en) * | 2021-12-23 | 2022-07-15 | 苏州百恒亚精密零件有限公司 | Special-shaped connecting piece clamping tool for CNC lathe |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115285840A (en) * | 2022-09-30 | 2022-11-04 | 江苏大力神新型建材有限公司 | High-strength concrete pipe pile installation device |
| CN116117564A (en) * | 2023-01-13 | 2023-05-16 | 广州随尔轮毂有限公司 | Hub machining machine tool |
| CN116117564B (en) * | 2023-01-13 | 2023-08-22 | 广州随尔轮毂有限公司 | Hub machining machine tool |
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Application publication date: 20220906 |