CN211072660U

CN211072660U - Die casting machining clamp

Info

Publication number: CN211072660U
Application number: CN201921527449.8U
Authority: CN
Inventors: 余灵霞
Original assignee: Dongguan Longwen Precision Technology Co ltd
Current assignee: Dongguan Longwen Precision Technology Co ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-07-24
Anticipated expiration: 2029-09-12

Abstract

The utility model belongs to the technical field of hardware processing clamp, in particular to a die casting processing clamp, which comprises a bottom plate, a pressing block, a single base and two pins; the single base is fixedly connected above the bottom plate, two pin holes are formed in the single base, the two pin holes are formed in the outer circumferential direction of the single base respectively, and the two pin holes are symmetrically formed in the radial direction of the single base; the top of each pin is respectively connected with the two pin holes, the bottom of each pin is connected with the bottom plate, the pressing block is fixedly connected above the single base and used for pressing a die casting between the single base and the pressing block, and two first avoidance holes respectively corresponding to the two pin holes are formed in the pressing block. Therefore, the position accuracy of the die casting positioning blank hole is improved by utilizing the elastic matching mode between the pin and the positioning blank hole, and the production quality is improved.

Description

Die casting machining clamp

Technical Field

The utility model belongs to the technical field of hardware processing anchor clamps, especially, relate to a die casting adds clamping apparatus.

Background

After the die casting is removed, tapping and milling are required, and when the die casting is subjected to tapping and milling, a clamp is usually used for fixing the die casting. The existing fixing mode for tapping and milling of die castings is as follows: firstly, fixing a cylindrical pin on a clamp, then, sleeving a positioning blank hole arranged on a die casting by using the cylindrical pin on the clamp to position, further machining other tooth holes or milling, then, machining the front blank hole for positioning by using the machined tooth hole as positioning, wherein the whole machining process can be completed by two procedures, and the procedures are complicated. In addition, in the prior art, pins on the clamp are fixed, and when the blank holes of the die castings are different in size, the problem that the holes cannot be machined or the positions of the machined holes are not accurate is caused. In addition, the clamp used in the prior art can only process four products at a time, which brings inconvenience to actual production and affects working efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a die casting adds clamping apparatus, when aiming at solving among the prior art processing die casting blank hole, because of the inaccurate technical problem who causes the position degree of the anchor clamps location that uses.

In order to achieve the purpose, the embodiment of the utility model provides a die casting machining clamp, including bottom plate, briquetting, monomer base and two pins; the single base is fixedly connected above the bottom plate, two pin holes are formed in the single base, the two pin holes are formed in the outer circumferential direction of the single base respectively, and the two pin holes are symmetrically formed in the radial direction of the single base; the top of each pin is respectively connected with the two pin holes, the bottom of each pin is connected with the bottom plate, the pressing block is fixedly connected above the single base and used for pressing a die casting between the single base and the pressing block, and two first avoidance holes respectively corresponding to the two pin holes are formed in the pressing block.

Optionally, the die casting machining clamp further comprises a fixing bolt, a through hole is formed in the middle of the pressing block, a fixing threaded hole is formed in the middle of the single base, and the fixing bolt penetrates through the through hole and is in threaded connection with the fixing threaded hole.

Optionally, two positioning columns are arranged on the single base, the two positioning columns and the fixed threaded hole are arranged in a central symmetry manner, two positioning holes corresponding to the two studs in position are arranged on the pressing block, and the two positioning columns are respectively inserted into the two positioning holes.

Optionally, the bottom of the positioning column is provided with a threaded portion, a positioning threaded hole is formed in the single base, and the threaded portion is in threaded connection with the positioning threaded hole.

Optionally, two second avoiding holes are further formed in the single base, and the two second avoiding holes are symmetrically formed in the radial direction of the single base.

Optionally, the pressing block is further provided with four third avoiding holes uniformly distributed at the proximal end in the radial direction.

Optionally, the periphery of the two pins is sleeved with a spring, and two ends of the spring are respectively abutted between the sinking groove and the single base.

Optionally, a sunk groove is formed in the bottom plate, a plurality of threaded holes are formed in the sunk groove, a sunk screw hole corresponding to each threaded hole is formed in the single base, the single base is accommodated in the sunk groove, and the single base penetrates through the sunk screw hole through a fastening piece to be connected with the threads to be fixed on the bottom plate.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the die casting adds clamping apparatus has one of following technological effect at least: the utility model discloses a die casting adds clamping apparatus, when using, at first, install two pins on two pin holes of monomer base, then reuse screw fix monomer base in the heavy groove that sets up on the bottom plate, install the die casting on monomer base through the mode of utilizing the location blank hole that die casting itself offered and pin cooperation, then place the briquetting above the die casting, reuse screw fasten the briquetting on monomer base thereby lock the die casting, when processing the die casting, two first avoiding the position hole that sets up on the briquetting can supply milling cutter to pass through, once only accomplish processing, thus, utilize the elastic fit mode between pin and die casting location blank hole, carried out accurate location to the die casting before processing, be favorable to realizing the accurate processing to die casting location blank hole, improved the position accuracy in die casting location blank hole, thereby improving the production quality.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is the die casting adds clamping apparatus's that the embodiment of the utility model provides a structure schematic diagram.

Fig. 2 is a schematic structural diagram of a bottom plate of a die casting machining fixture provided by the embodiment of the invention.

Fig. 3 is the die casting adds clamping apparatus's that the embodiment of the utility model provides a structural decomposition sketch map.

Fig. 4 is a schematic structural diagram of a pressing block of the die casting machining fixture provided by the embodiment of the utility model.

Fig. 5 is a schematic structural diagram of a single base of a die casting machining fixture provided by the embodiment of the invention.

Fig. 6 is another schematic structural diagram of a single base of a die casting machining fixture according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-bottom plate 11-sink 20-briquetting

21-first clearance hole 22-via hole 23-positioning hole

24-third clearance hole 30-single base 31-pin hole

32-fixed threaded hole 33-positioning column 34-positioning threaded hole

35-second clearance hole 36-countersunk head screw hole 40-pin

50-fixing bolt 60-spring 70-fastener

111-tapped hole 331-threaded portion.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1 to 3, a die casting machining fixture is provided, which includes a bottom plate 10, a pressing block 20, a single base 30 and two pins 40; the single base 30 is fixedly connected above the bottom plate 10, two pin holes 31 are formed in the single base 30, the two pin holes 31 are respectively formed in the outer circumferential direction of the single base 30, and the two pin holes 31 are symmetrically formed along the radial direction of the single base 30; the tops of the two pins 40 are respectively connected with the two pin holes 31, the bottoms of the two pins 40 are both connected with the bottom plate 10, the pressing block 20 is fixedly connected above the single base 30 and used for pressing a die casting between the single base 30 and the pressing block 20, and the pressing block 20 is provided with two first avoiding holes 21 respectively corresponding to the two pin holes 31.

Specifically, when the die casting processing clamp of the utility model is used, firstly, two pins 40 are arranged on two pin holes 31 of a single base 30, then the single base 30 is fixed in a sunken groove 11 arranged on a bottom plate 10 by screws, the die casting is arranged on the single base 30 by utilizing the matching mode of positioning blank holes arranged on the die casting and the pins 40, then a pressing block 20 is arranged above the die casting, the pressing block 20 is fastened on the single base 30 by screws so as to lock the die casting, when the die casting is processed, two first clearance holes 21 arranged on the pressing block 20 can be passed by a milling cutter, the processing is completed at one time, thus, the die casting is accurately positioned before the processing by utilizing the elastic matching mode between the pins 40 and the die casting positioning blank holes, which is beneficial to realizing the accurate processing of the die casting positioning blank holes, the position accuracy of the die casting positioning blank hole is improved, and therefore the production quality is improved.

In another embodiment of the present invention, as shown in fig. 3 to 5, the die casting machining fixture further includes a fixing bolt 50, the middle portion of the pressing block 20 is provided with a through hole 22, the middle portion of the single base 30 is provided with a fixing threaded hole 32, and the fixing bolt 50 passes through the through hole 22 and the fixing threaded hole 32 for threaded connection. Specifically, before processing the die casting, at first with the die casting location on monomer base 30, then place briquetting 20 above the die casting, reuse screw with the die casting fastening between monomer base 30 and briquetting 20, set up fixing bolt 50 and fixed screw hole 32 complex mode and go the fastening die casting, effectively avoid in the course of working because the die casting does not compress tightly the incident that leads to, be favorable to personal safety.

In another embodiment of the present invention, as shown in fig. 3, 5 and 6, two positioning pillars 33 are disposed on the single base 30, two of the positioning pillars 33 and the fixing threaded holes 32 are disposed in a central symmetry manner, two positioning holes 23 are disposed on the pressing block 20, two of the two positioning holes 23 correspond to the two positioning pillars 33, and the two positioning pillars 33 are respectively inserted into the two positioning holes 23. Specifically, when the positioning hole 23 formed in the pressing block 20 is fixedly connected with the positioning column 33 formed in the single base 30, the pressing block can be pressed to the casting better, and the pressing block 20 is prevented from not pressing the casting due to position deviation caused by external reasons, so that a better pressing effect is achieved, and the machining precision is improved.

In another embodiment of the present invention, as shown in fig. 3 and 5, the bottom of the positioning column 33 is provided with a threaded portion 331, the single base 30 is provided with a positioning threaded hole 34, and the threaded portion 331 is in threaded connection with the positioning threaded hole 34. Specifically, connect through screw thread portion 331 and location screw hole 34 between reference column 33 and the monomer base 30, be independent individual between reference column 33 and the monomer base 30, can realize the dismouting, when damage appears in reference column 33 or monomer base 30, can replace the part alone, be favorable to the utilization of material, promoted economic benefits.

In another embodiment of the present invention, as shown in fig. 3, 5 and 6, two second avoiding holes 35 are further disposed on the single base 30, and two second avoiding holes 35 are symmetrically disposed along the radial direction of the single base 30. Specifically, the second clearance hole 35 corresponding to the position of the positioning blank hole in the die casting is formed in the single base 30, when the milling cutter mills the positioning blank hole in the die casting, the milling cutter can extend in the vertical direction, and the problem that the machining precision of the positioning blank hole is not high due to insufficient milling position is solved.

In another embodiment of the present invention, as shown in fig. 3 and 4, the pressing block 20 is further provided with four third avoiding holes 24 uniformly distributed at the proximal end in the radial direction thereof. Specifically, when briquetting 20 pressed and was established on the die casting, milling cutter can stretch into from four keep away the position hole, directly processes the blank hole of die casting, need not to clamp the die casting repeatedly, has practiced thrift the time, has improved work efficiency.

In another embodiment of the present invention, as shown in fig. 1 to 3, two springs 60 are respectively sleeved on the peripheries of the pins 40, and both ends of the springs 60 respectively abut against the sinking grooves 11 and the single base 30. Specifically, two pins 40 provide elasticity through the spring 60 of cover establishing at its periphery, and two pin holes 31 are passed at two pin 40 tops and are fixed a position the die casting, and when milling the location blank hole of die casting, more machining allowance can be left for the milling cutter to two pins 40 that elasticity set up moreover, let the machining precision higher, are favorable to the good quality of die casting.

In another embodiment of the present invention, as shown in fig. 1, 2, 5, and 6, a sunk groove 11 is disposed on the bottom plate 10, a plurality of threaded holes 111 are disposed on the sunk groove 11, a countersunk screw hole 36 corresponding to each of the threaded holes 111 is disposed on the single base 30, the single base 30 is accommodated in the sunk groove 11, and the single base 30 is fixed on the bottom plate 10 by passing through the countersunk screw hole 36 and the threaded connection through a fastening member 70. Specifically, the single base 30 is fixedly connected in the sinking groove 11 through the sinking groove 11 arranged on the bottom plate 10, and in the processing process, the position of the single base 30 is further limited by the arrangement of the sinking groove 11, so that the phenomenon that the single base 30 is dislocated due to improper operation is avoided, and the accuracy of operation is facilitated; meanwhile, the single base 30 is conveniently installed in place, and the installation efficiency of the single base 30 is improved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a die casting adds clamping apparatus which characterized in that: the device comprises a bottom plate, a pressing block, a single base and two pins; the single base is fixedly connected above the bottom plate, two pin holes are formed in the single base, the two pin holes are formed in the outer circumferential direction of the single base respectively, and the two pin holes are symmetrically formed in the radial direction of the single base; the top of each pin is respectively connected with the two pin holes, the bottom of each pin is connected with the bottom plate, the pressing block is fixedly connected above the single base and used for pressing a die casting between the single base and the pressing block, and two first avoidance holes respectively corresponding to the two pin holes are formed in the pressing block.

2. The die casting machining jig according to claim 1, characterized in that: die casting adds clamping apparatus still includes fixing bolt, the middle part of briquetting is provided with the via hole, the middle part of monomer base is provided with fixed screw hole, fixing bolt passes the via hole with fixed screw hole threaded connection.

3. The die casting machining jig according to claim 2, characterized in that: the single base is provided with two positioning columns, the two positioning columns and the fixed thread hole positions are arranged in a central symmetry mode, the pressing block is provided with two positioning holes, the two positions of the two positioning holes correspond to the two positioning columns, and the two positioning columns are inserted into the two positioning holes respectively.

4. The die casting machining jig according to claim 3, characterized in that: the bottom of reference column is provided with screw thread portion, be provided with the location screw hole on the monomer base, screw thread portion with location screw hole threaded connection.

5. The die casting machining jig according to any one of claims 1 to 4, characterized in that: the single base is further provided with two second avoiding holes, and the two second avoiding holes are symmetrically arranged along the radial direction of the single base.

6. The die casting machining jig according to any one of claims 1 to 4, characterized in that: the pressing block is also provided with four third avoiding holes which are uniformly distributed at the near end of the pressing block in the radial direction.

7. The die casting machining jig according to any one of claims 1 to 4, characterized in that: the single base is accommodated in the counter sink, and is fixed on the bottom plate by a fastener penetrating through the counter sink screw hole and being in threaded connection with the thread.

8. The die casting machining jig according to claim 7, characterized in that: the periphery of two the pin all overlaps establishes the spring, the both ends of spring respectively the butt in sink the groove with between the monomer base.