CN216178477U

CN216178477U - Simple zero point clamp

Info

Publication number: CN216178477U
Application number: CN202121486929.1U
Authority: CN
Inventors: 黄武威
Original assignee: Zhongshan Jiejun Optical Tooling Co ltd
Current assignee: Zhongshan Jiejun Optical Tooling Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-04-05
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a simple zero point clamp which comprises a base, wherein a first sliding groove and a second sliding groove which are perpendicular to each other are arranged at the top of the base, a first fixing block is arranged at the joint of the first sliding groove and the second sliding groove, a first screw rod and a second screw rod penetrate through the first fixing block, the first screw rod and the second screw rod are arranged in a staggered mode and perpendicular to each other, the first screw rod and the second screw rod respectively comprise a first screw thread part and a second screw thread part which are opposite in spiral direction, and locking blocks are respectively screwed on the first screw thread part and the second screw thread part. The clamp can be fixed to the zero position of a machine tool, the four locking blocks can be synchronously far away from or close to each other, a workpiece to be machined can be conveniently placed in and taken out, the pressing plate can further improve the fixing effect of the workpiece, and the problems that the clamp used by the conventional NC equipment is low in centering efficiency and causes manual errors, different positioning clamps are required for different products, and the cost is increased are solved.

Description

Simple zero point clamp

Technical Field

The utility model belongs to the technical field of clamps, and particularly relates to a simple zero clamp.

Background

The workpiece needs to be put on the machine by using NC equipment, the positioning clamps are manufactured in batches according to the X and Y directions and the number of touch and change positions in the machining coordinate system, so that the material can be put on the machine and fixed at a required position.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a simple zero point clamp which has the advantages that the clamp can be fixed to the zero position of a machine tool, four locking blocks can be synchronously far away from or close to each other, a workpiece to be machined can be conveniently placed in or taken out, a pressing plate can further improve the fixing effect of the workpiece, and the problems that the centering efficiency of the clamp used by the conventional NC equipment is low, manual errors can occur, different positioning clamps are required for different products, and the cost is raised are solved.

The simple zero point clamp comprises a base, wherein a first sliding groove and a second sliding groove which are perpendicular to each other are formed in the top of the base, a first fixing block is installed at the joint of the first sliding groove and the second sliding groove, a first screw rod and a second screw rod penetrate through the first fixing block, the first screw rod and the second screw rod are arranged in a staggered mode and perpendicular to each other, the first screw rod and the second screw rod respectively comprise a first threaded portion and a second threaded portion which are opposite in spiral direction, and locking blocks are respectively screwed on the first threaded portion and the second threaded portion.

Preferably, the two ends of the first sliding chute and the second sliding chute are respectively provided with a slot, a second fixed block is arranged in the slot, a bearing is arranged in the second fixed block, and the two ends of the first screw rod and the second screw rod are respectively provided with a hexagon part.

Preferably, the base is provided with four pressing plates, one end of each pressing plate is connected with a first screw, each pressing plate is provided with an adjusting groove, a second screw is connected in the adjusting groove in a sliding mode, and the base is provided with a plurality of screw bottom holes.

Preferably, the locking block includes a sliding portion disposed in the first sliding groove and the second sliding groove, an anti-slip portion disposed on both sides of the sliding portion, and a clamping portion disposed on a top of the sliding portion, and the first lead screw and the second lead screw penetrate through the sliding portion.

Preferably, the base is provided with a pin hole, and a positioning pin is arranged in the pin hole.

Preferably, notches for fixing the base on a machine tool are respectively arranged at four corners of the top of the base.

Preferably, the bottoms of the first chute and the second chute are respectively provided with a slag discharge hole.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model is provided with a base, a first chute and a second chute, wherein the first chute and the second chute are respectively positioned in the middle of the base and are vertical to each other, a first fixed block is positioned at the joint between the first chute and the second chute, the first fixed block is fixed on the base through an inner hexagon bolt, a first screw rod and a second screw rod respectively penetrate through the first fixed block, the first screw rod and the second screw rod are arranged in a staggered manner, the first screw rod is parallel to the first chute, the second screw rod is parallel to the second chute, the parts of the first screw rod and the second screw rod positioned in the first fixed block are not provided with threads, the first screw rod and the second screw rod can rotate in the first fixed block without stretching, the first screw thread part and the second screw thread part are respectively positioned at the outer side of the first fixed block, the first screw thread part and the second screw thread part are in threaded connection with a locking block, the first screw rod and the second screw rod can drive the locking block to synchronously move close to or far away from each other, the workpiece is convenient to place, accurate positioning can be facilitated, and errors are reduced.

2. According to the utility model, the slot, the second fixing block, the bearing and the hexagonal part are arranged, the slot is respectively arranged at two ends of the first sliding groove and the second sliding groove, the second fixing block is fixed in the slot through the inner hexagonal bolt, the tail ends of the first lead screw and the second lead screw penetrate through the second fixing block, the first lead screw and the second lead screw are respectively connected with the second fixing block through the bearing, and the hexagonal part can conveniently adjust the position of the locking block and conveniently adjust according to different workpieces.

3. The utility model is provided with the four pressing plates, the first screws, the adjusting grooves, the second screws and the screw bottom holes, one ends of the pressing plates are fixed on the base through the first screws, and the extending parts of the pressing plates can be adjusted through the adjusting grooves to adapt to the fixation of workpieces of different shapes, so that the workpieces of different materials can be secondarily fixed.

4. The clamping device is provided with the sliding part, the anti-falling part and the clamping part, the sliding part is used for guiding the locking block in the first sliding groove and the second sliding groove, the anti-falling part is outwards opened and can prevent the locking block from being separated, and the clamping part is used for being in contact with a workpiece, so that the workpiece is conveniently fixed.

5. According to the utility model, the pin holes and the positioning pins are arranged, so that the fixture can be quickly set to the zero position, and the fixture can be conveniently fixed on a machine tool.

6. The clamp is convenient to mount by arranging the notch, the base can be conveniently fixed on a machine tool, and more particularly, the side surface of the notch is obliquely arranged, so that the contact area with the machine tool can be increased, and the fixing effect of the clamp is improved.

7. According to the utility model, through the arrangement of the slag discharge hole, scraps generated by processing the workpiece can be discharged through the slag discharge hole, and the problem of inconvenient adjustment caused by blockage of the first sliding groove and the second sliding groove can be prevented.

Drawings

FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present invention;

FIG. 2 is an exploded view of an embodiment of the present invention;

FIG. 3 is a top view provided by an embodiment of the present invention;

FIG. 4 is a side view provided by an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a locking block according to an embodiment of the present invention.

In the figure: 1. a base; 2. a first chute; 3. a second chute; 4. a first fixed block; 5. a first lead screw; 6. a second lead screw; 7. a first threaded portion; 8. a second threaded portion; 9. a locking block; 10. a slot; 11. a second fixed block; 12. a bearing; 13. a hexagonal section; 14. pressing a plate; 15. a first screw; 16. an adjustment groove; 17. a second screw; 18. a screw bottom hole; 91. a sliding part; 92. an anti-drop part; 93. a clamping portion; 19. a pin hole; 20. positioning pins; 21. a notch; 22. a slag discharge hole.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.

The structure of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 5, the simple zero point fixture provided in the embodiment of the present invention includes a base 1, a first sliding groove 2 and a second sliding groove 3 that are perpendicular to each other are provided at the top of the base 1, a first fixed block 4 is installed at a joint of the first sliding groove 2 and the second sliding groove 3, a first lead screw 5 and a second lead screw 6 are provided on the first fixed block 4 in a penetrating manner, the first lead screw 5 and the second lead screw 6 are arranged in a staggered manner and perpendicular to each other, the first lead screw 5 and the second lead screw 6 both include a first thread portion 7 and a second thread portion 8 that are opposite in spiral direction, and a locking block 9 is screwed on each of the first thread portion 7 and the second thread portion 8.

The utility model is through setting up the base 1, first concrete chute 2 and second concrete chute 3, the first concrete chute 2 and second concrete chute 3 locate at the middle part of the base 1 and perpendicular to each other separately, the first fixed block 4 locates at the juncture between second concrete chute 3 and the first concrete chute 2, the first fixed block 4 is fixed on base 1 through the hexagon socket head cap screw, the first lead screw 5 and second lead screw 6 run through the first fixed block 4 separately, and the first lead screw 5 and second lead screw 6 are misplaced and set up, the first lead screw 5 is parallel to first concrete chute 2, the second lead screw 6 is parallel to second concrete chute 3, the first lead screw 5 and second lead screw 6 locate at the part of the inside of first fixed block 4 and have no whorl, the first lead screw 5 and second lead screw 6 can rotate but not stretch out and draw back in the inside of the first fixed block 4, the first whorl portion 7 and second whorl portion 8 locate at the outside of the first fixed block 4 separately, and the first whorl portion 7 and second whorl portion 8 are screwed with the locking block 9, first lead screw 5 and second lead screw 6 rotate and can drive latch segment 9 and be close to or keep away from in opposite directions in step, make things convenient for placing of work piece, can make things convenient for accurate location moreover, reduce the error.

Referring to fig. 2, two ends of the first sliding chute 2 and the second sliding chute 3 are respectively provided with a slot 10, a second fixed block 11 is arranged in the slot 10, a bearing 12 is arranged inside the second fixed block 11, and two ends of the first lead screw 5 and the second lead screw 6 are respectively provided with a hexagon 13.

Adopt above-mentioned scheme: through setting up slot 10, second fixed block 11, bearing 12 and hexagonal portion 13, the both ends of first spout 2 and second spout 3 are seted up respectively to slot 10, second fixed block 11 passes through the hexagon socket head cap screw to be fixed inside slot 10, the end of first lead screw 5 and second lead screw 6 runs through second fixed block 11, first lead screw 5, second lead screw 6 passes through bearing 12 with second fixed block 11 respectively and is connected, the position of latch segment 9 can conveniently be adjusted to hexagonal portion 13, the work piece according to the difference is conveniently adjusted.

Referring to fig. 2, four pressing plates 14 are arranged on the base 1, one end of each pressing plate 14 is connected with a first screw 15, an adjusting groove 16 is arranged on each pressing plate 14, a second screw 17 is slidably connected in each adjusting groove 16, and a plurality of screw bottom holes 18 are arranged on the base 1.

Adopt above-mentioned scheme: through setting up clamp plate 14, first screw 15, adjustment tank 16, second screw 17 and screw bottom hole 18, the quantity of clamp plate 14 is four, and the one end of clamp plate 14 is fixed on base 1 through first screw 15, and the part that clamp plate 14 stretches out can be adjusted to adjustment tank 16 to adapt to the fixed of different shapes work pieces, can carry out the secondary to the work piece of different materials and fix.

Referring to fig. 5, the locking block 9 includes a sliding portion 91 disposed in the first sliding groove 2 and the second sliding groove 3, anti-falling portions 92 disposed on both sides of the sliding portion 91, and a clamping portion 93 disposed on the top of the sliding portion 91, and the first lead screw 5 and the second lead screw 6 penetrate through the sliding portion 91.

Adopt above-mentioned scheme: through setting up sliding part 91, anticreep portion 92 and clamping part 93, sliding part 91 is used for the direction of latch segment 9 in first spout 2 and second spout 3, and anticreep portion 92 outwards expands, can prevent that latch segment 9 from breaking away from, and clamping part 93 is used for making things convenient for the fixed of work piece with the work piece contact.

Referring to fig. 2, a pin hole 19 is formed in the base 1, and a positioning pin 20 is disposed in the pin hole 19.

Adopt above-mentioned scheme: through setting up pinhole 19 and locating pin 20, can realize this anchor clamps's quick zero setting, conveniently fix this anchor clamps on the lathe.

Referring to fig. 1, notches 21 for fixing on a machine tool are respectively arranged at four corners of the top of the base 1.

Adopt above-mentioned scheme: through setting up breach 21, can make things convenient for base 1 to be fixed to the lathe, make things convenient for the installation of this kind of anchor clamps, more specifically, the side slope setting of breach 21 can improve the area of contact with the lathe, improves the fixed effect of this anchor clamps.

Referring to fig. 3, the bottoms of the first chute 2 and the second chute 3 are respectively provided with a slag discharge hole 22.

Adopt above-mentioned scheme: through setting up the slag hole 22, can be that the produced piece of processing work piece can discharge through slag hole 22, can prevent that first spout 2 and second spout 3 from plugging up the problem that causes the inconvenience of regulation.

The working principle of the utility model is as follows:

in use, the fixture is first placed on the NC table, then fixed to the machine zero position by the locating pins 20 and pin holes 19, the base 1 is fixed through the notches 21 at the four corners of the clamp, so that the clamp is fixed on a machine tool, then the hexagonal parts 13 are respectively rotated anticlockwise by an external hexagonal wrench, so that the first screw rod 5 and the second screw rod 6 drive the bearing 12 to rotate together, and the four locking blocks 9 are far away from each other, then the round material or the square material to be processed is placed on the base 1, the hexagonal parts 13 are rotated clockwise by using an external hexagonal wrench respectively again to drive the four locking blocks 9 to contract towards one side of the first fixing block 4 and clamp the workpiece, and the workpiece is positioned at the central position of the base 1, when the fixing effect of the workpiece needs to be further improved, the second screw 17 is adjusted to enable the pressing plate 14 to fix the workpiece again, and then the workpiece fixed on the base 1 can be machined.

In summary, the following steps: this simple zero point anchor clamps, through setting up base 1, first spout 2, second spout 3, first fixed block 4, the cooperation of first lead screw 5 and second lead screw 6 is used, can fix this anchor clamps to the zero-bit of lathe on, four latch segments 9 can be synchronous keep away from each other or be close to, can conveniently treat putting into and taking out of processing work piece, clamp plate 14 can further improve the fixed effect of work piece, the low and artifical error that can appear of efficiency in the branch of having solved the used anchor clamps of current NC equipment, and need do different positioning fixture to different products, raise the problem of cost.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Simple and easy anchor clamps at zero point, including base (1), its characterized in that: the top of base (1) is equipped with mutually perpendicular's first spout (2) and second spout (3), first fixed block (4) are installed with handing-over department of second spout (3) in first spout (2), run through on first fixed block (4) and be provided with first lead screw (5) and second lead screw (6), first lead screw (5) and second lead screw (6) dislocation set and mutually perpendicular, first lead screw (5) and second lead screw (6) all include opposite spiral direction's first screw portion (7) and second screw portion (8), first screw portion (7) and second screw portion (8) go up respectively the spiro union have latch segment (9).

2. The simple zero point fixture of claim 1, wherein: the two ends of the first sliding groove (2) and the second sliding groove (3) are respectively provided with a slot (10), a second fixed block (11) is arranged in the slot (10), a bearing (12) is arranged inside the second fixed block (11), and the two ends of the first screw rod (5) and the second screw rod (6) are respectively provided with a hexagonal part (13).

3. The simple zero point fixture of claim 1, wherein: the improved screw press is characterized in that four press plates (14) are arranged on the base (1), one end of each press plate (14) is connected with a first screw (15), an adjusting groove (16) is formed in each press plate (14), a second screw (17) is connected in each adjusting groove (16) in a sliding mode, and a plurality of screw bottom holes (18) are formed in the base (1).

4. The simple zero point fixture of claim 1, wherein: the locking block (9) comprises a sliding part (91) arranged in the first sliding groove (2) and the second sliding groove (3), anti-falling parts (92) arranged on two sides of the sliding part (91) and a clamping part (93) arranged at the top of the sliding part (91), and the first screw rod (5) and the second screw rod (6) penetrate through the sliding part (91).

5. The simple zero point fixture of claim 1, wherein: the base (1) is provided with a pin hole (19), and a positioning pin (20) is arranged in the pin hole (19).

6. The simple zero point fixture of claim 1, wherein: four corners of the top of the base (1) are respectively provided with notches (21) for fixing on a machine tool.

7. The simple zero point fixture of claim 1, wherein: the bottoms of the first sliding chute (2) and the second sliding chute (3) are respectively provided with a slag discharge hole (22).