CN212495712U

CN212495712U - Broaching machine broach fixing tool

Info

Publication number: CN212495712U
Application number: CN202021155381.8U
Authority: CN
Inventors: 马群
Original assignee: Chongqing Qian Jin Auto Parts Manufacturing Co ltd
Current assignee: Chongqing Qian Jin Auto Parts Manufacturing Co ltd
Priority date: 2020-06-21
Filing date: 2020-06-21
Publication date: 2021-02-09
Anticipated expiration: 2030-06-21

Abstract

The utility model discloses a broaching machine broach fixing tool, which comprises a fixed base, wherein one end of the fixed base is provided with a fixed end, the other end of the fixed base is provided with a mounting end, the upper surface of the mounting end is provided with a mounting groove arranged along the extending direction of the fixed base, a mounting block capable of moving along the mounting groove is arranged in the mounting groove, a hilt embedding groove is arranged on the mounting block, and the end surface of the mounting end is provided with a passing notch for the broaching tool to pass through and run through the mounting groove; the fixed base of the broaching machine broach fixing tool can be fixed on the puller of the broaching machine through the fixed section, when the broaching machine broach drives the fixed base to move backwards, the fixture block on the fixed base drives the broach to move backwards, broaching processing of the workpiece key slot hole is realized, and the technical problem of uneven depth caused by upwarping of the broach can be avoided.

Description

Broaching machine broach fixing tool

Technical Field

The utility model relates to a broaching machine frock technical field, concretely relates to fixed frock of broaching machine broach.

Background

In the machining operation, a broaching machine is used for performing high-precision broaching machining on an inner hole of a machine part, when a key slot hole is machined in the existing broaching machine, a puller arranged on the broaching machine drives a broaching tool to move, the puller is driven by a hydraulic oil cylinder arranged on the broaching machine, a fixing tool used for fixing a tool shank of the broaching tool on the puller is fixedly arranged on the puller, for the key slot hole, the groove width of the key slot hole is ensured by the dimensional precision control of the cutting edge of the broaching tool, the defect generally does not occur, the groove depth of the key slot hole is caused by the fact that the tool shank of the broaching tool is easy to tilt during the broaching machining of the broaching tool, the problem that one end is deep and the other end is shallow, and the machining precision of the key slot hole is influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a broaching machine broach fixing tool which can avoid the technical problem that one end is deep and the other end is shallow due to the fact that a broach handle is tilted to cause the groove depth of a key groove hole during broaching processing; the specific scheme is as follows:

a broaching tool fixing tool for a broaching machine comprises a fixing base, wherein one end of the fixing base is provided with a fixing end, the other end of the fixing base is provided with a mounting end, the upper surface of the mounting end is provided with a mounting groove arranged along the extending direction of the fixing base, a mounting block capable of moving along the mounting groove is arranged in the mounting groove, a tool shank embedding groove is formed in the mounting block, and the end surface of the mounting end is provided with a passing notch for a broaching tool to pass through and penetrate through the mounting groove; the terminal surface of installation end is equipped with the groove that compresses tightly that is located the broach top, compress tightly the groove both ends and extend to through notch both sides wall, it has the pressure strip to compress tightly inslot movable mounting, the spiro union has the proof warp bolt to extending through notch end jade on the pressure strip, still be equipped with the fixed establishment of fixed pressure strip on the installation end.

In the technical scheme, the fixing base accessible fixed section of broaching machine broach fixing tool is fixed on the broaching head of the broaching machine, the broaching machine broach is used for broaching and processing and can be embedded in the broach handle embedded groove, the broaching machine broach can extend out and can be fixed by being provided with the pressure plate anti-warping bolt through the notch in an anti-warping mode, when the broaching machine broach drives the fixing base to move backwards, the broaching machine broach drives the broaching machine broach to move backwards through the fixture block on the fixing base, broaching and processing of a workpiece key slot hole are realized, in broaching and processing, the broaching machine broach downwards presses the broaching machine broach through the anti-warping bolt so as to prevent the broach handle from warping, the groove depths at two ends of the key slot hole are consistent, and the technical problems that one end is deep and the other end is shallow due to upward warping of the broaching.

Preferably, the fixing mechanism corresponds the fixed pinhole through the notch both sides including locating the fixed end upper surface, wear to be equipped with the fixed pin in the fixed pinhole, the pressure strip both ends are equipped with the fixed orifices of arranging with a corresponding fixed pinhole looks. After the pressure strip embedding compresses tightly the groove, the accessible fixed pin is fixed, prevents that the pressure strip from deviating from.

Preferably, the upper end of the fixing pin is provided with a limiting head with an outer diameter larger than the fixed small periphery. The limiting head can prevent the fixing pin from being completely inserted into the fixing pin hole, and the assembly of operators is facilitated.

Preferably, the lower end of the anti-warping bolt is rotatably connected with a pressing block, and the lower surface of the pressing block is provided with a pressing surface abutted against the broach body. The anti-warping bolt can improve the stability of the broach in the machining process under the compressing action of the compressing block.

Preferably, the compression spring is sleeved above the pressing plate corresponding to the anti-warping bolt, and the upper surface of the pressing plate is provided with a positioning groove in which the compression spring is embedded. The anti-warping bolt is more convenient for personnel to rotate under the elastic force action of the compression spring.

Preferably, the side walls of the two sides of the mounting groove are provided with sliding protrusions arranged along the extending direction of the fixed base, and the sliding protrusions are matched with sliding grooves arranged on the two sides of the mounting block in a sliding mode. The sliding bulge and the sliding adaptation of the sliding groove can improve the moving stability of the mounting block.

Preferably, the width of the passing notch is smaller than that of the mounting groove and is arranged on the mounting end face in the center. The centrally arranged through slot can improve the machining precision.

Preferably, still include handle of a knife fixed establishment, handle of a knife fixed establishment is including locating the handle of a knife fixed plate of installation piece upper end, the spiro union is gone up to the handle of a knife fixed plate inlays the fixing bolt that groove bottom jade extended, fixing bolt can support and lean on the broach handle of a knife. The broach handle can be fixed through fixing bolts, and further tilting of the broach in the machining process is avoided.

Preferably, mounting bolts in threaded connection with the mounting blocks are arranged at two ends of the knife handle fixing plate. The handle fixing plate can be fixed on the mounting block through the mounting bolt, so that the stability of fixing the handle of the counter-pull knife is improved.

The utility model has the advantages that: the utility model provides a fixed base of broaching machine broach fixing tool can be fixed on the broaching head of the broaching machine through the fixed section, the broach can be fixed in a tilting prevention manner through the anti-tilting bolt arranged on the pressing plate after passing through the notch, in the broaching process, the broach is pressed downwards by the anti-tilting bolt to prevent the handle from tilting, so that the groove depths at the two ends of the keyhole are consistent, the technical problems of deep one end and shallow one end caused by the upward tilting of the broach are avoided, the processing precision can be greatly improved, and the production cost is also reduced; the problems in the prior art are effectively solved; has high practical value.

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 embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a structural diagram of a broaching machine broach fixing tool according to an embodiment.

Reference numerals: the tool comprises a fixed base 100, a mounting groove 110, a passing notch 120, a pressing groove 130, a fixing pin hole 140, a mounting block 200, a tool shank embedding groove 210, a pressing plate 300, an anti-warping bolt 400, a fixing pin 500, a limiting head 510, a compression spring 600, a tool shank fixing plate 700, a fixing bolt 800, a mounting bolt 900 and a broach 1000.

Detailed Description

Here, it is to be noted that the functions, methods, and the like related to the present invention are only conventional adaptive applications of the related art. Therefore, the present invention is an improvement of the prior art, which substantially lies in the connection relationship between hardware, not in the functions and methods themselves, that is, the present invention relates to a few functions and methods, but does not include the improvements proposed in the functions and methods themselves. The present invention is described for better illustration of the function and method for better understanding of the present invention.

As shown in fig. 1, in an embodiment, the utility model provides a broaching machine broach fixing tool, including a fixing base 100, one end of the fixing base 100 is provided with a fixing end, the other end is provided with a mounting end, the upper surface of the mounting end is provided with a mounting groove 110 arranged along the extending direction of the fixing base 1000, a mounting block 200 capable of moving along the mounting groove 110 is arranged in the mounting groove 110, a hilt embedding groove 210 is arranged on the mounting block 200, and the end surface of the mounting end is provided with a passing notch 120 for a broach to pass through and penetrate through the mounting groove 110; the terminal surface of installation end is equipped with the groove 130 that compresses tightly that is located the broach 1000 top, compresses tightly 130 both ends of groove and to extending through notch 120 both sides wall, compresses tightly movable mounting in groove 130 and has pressure strip 300, and the spiro union is gone up to pressure strip 300 has to the proof warp bolt 400 that extends through notch 120 end jade, still is equipped with the fixed establishment of fixed pressure strip 300 on the installation end.

As shown in fig. 1, in this embodiment, the fixing base 100 of the broaching machine broach fixing tool can be fixed to the broaching head of the broaching machine through the fixing section, the broach handle for broaching can be embedded in the handle embedding groove 210, the broach can be fixed by the anti-warping bolt 400 arranged on the pressing plate 300 after extending out of the notch 120, and when the broaching machine broach drives the fixing base 100 to move backward, the broach is driven by the fixture block on the fixing base 100 to move backward, thereby realizing broaching of the workpiece keyholes.

As described above, the pressing plate 300 needs to be embedded in the mounting block 200 to press the broach downward by the anti-warping bolt 400, and in the broaching process, the pressing plate 300 should be prevented from coming off from the pressing groove 130, the fixing mechanism provided in this embodiment is mainly used for fixing the pressing plate 300, and includes fixing pin holes 140 correspondingly passing through two sides of the notch 120 and formed in the upper surface of the fixing end, fixing pins 500 penetrate through the fixing pin holes 140, and fixing holes arranged opposite to the corresponding fixing pin holes 140 are formed in two ends of the pressing plate 300. After the pressing plate 300 is inserted into the pressing groove 130, the fixing pin 500 can fix the pressing plate 300 to prevent the pressing plate 300 from being removed. Further, in order to facilitate assembly, the upper end of the fixing pin 500 is provided with a stopper 510 having an outer diameter larger than the outer diameter of the small fixing part. The retaining head 510 prevents the retaining pin 500 from being fully inserted into the retaining pin bore 140, facilitating assembly by the operator.

As shown in fig. 1, in order to improve the stability of the warping-preventing bolt 400 pressing the broach 1000, a pressing block is rotatably connected to the lower end of the warping-preventing bolt 400 in the embodiment, and a pressing surface abutting against the body of the broach is arranged on the lower surface of the pressing block. The stability of broach 1000 in the course of working can be improved to proof warp bolt 400 under the compact heap effect of compressing tightly, and the compact heap can prefer the rubber material in this embodiment.

As shown in fig. 1, after the machining process, the anti-warping bolt 400 needs to be loosened to facilitate detaching the broach, in order to facilitate rotating the anti-warping bolt 400, in this embodiment, a compression spring 600 is sleeved above the anti-warping bolt 400 corresponding to the pressing plate 300, and a positioning groove for embedding the compression spring 600 is arranged on the upper surface of the pressing plate 300. The warping prevention bolt 400 is more convenient for a person to rotate under the elastic force of the compression spring 600.

As shown in fig. 1, since the broach 1000 needs to move along with the mounting block 200 during the machining process, in order to improve the stability of the fast movement of the mounting, the sliding protrusions arranged along the extending direction of the fixing base 100 are provided on the side walls of the two sides of the mounting groove 110 in the present embodiment, and the sliding protrusions are in sliding fit with the sliding grooves provided on the two sides of the mounting block 200. The sliding bulge and the sliding adaptation of the sliding groove can improve the moving stability of the mounting block 200 and are beneficial to improving the processing precision.

As shown in fig. 1, further, the pass through notch 120 has a width smaller than that of the mounting groove 110 and is centrally provided on the mounting end surface. The centrally arranged through slot 120 enables an increased machining precision.

As shown in fig. 1, a handle fixing mechanism for fixing the handle of the broach is further provided in this embodiment, the handle fixing mechanism includes a handle fixing plate 700 disposed at the upper end of the mounting block 200, a fixing bolt 800 extending toward the bottom wall of the handle embedding groove 210 is screwed on the handle fixing plate 700, and the fixing bolt 800 can abut against the handle of the broach. The broach handle can be fixed through fixing bolt 800, further avoids the broach to take place the perk in the course of working. Further, mounting bolts 900 screwed with the mounting blocks 200 are provided at both ends of the holder fixing plate 700. The handle fixing plate 700 can be fixed on the mounting block 200 through the mounting bolt 900, and the stability of fixing the handle of the broach is improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A fixture for fixing a broach of a broaching machine is characterized by comprising

The broach fixing device comprises a fixing base (100), wherein one end of the fixing base (100) is provided with a fixing end, the other end of the fixing base is provided with a mounting end, the upper surface of the mounting end is provided with a mounting groove (110) arranged along the extending direction of the fixing base (100), a mounting block (200) capable of moving along the mounting groove (110) is arranged in the mounting groove (110), a hilt embedding groove (210) is formed in the mounting block (200), and the end surface of the mounting end is provided with a through notch (120) for a broach to pass through and penetrate through the mounting groove (110);

the terminal surface of installation end is equipped with the groove (130) that compresses tightly that is located the broach top, compress tightly groove (130) both ends to extending through notch (120) both sides wall, it has pressure strip (300) to compress tightly groove (130) interior movable mounting, the spiro union is gone up to pressure strip (300) to the proof warp bolt (400) that extend through notch (120) end jade, still be equipped with the fixed establishment of fixed pressure strip (300) on the installation end.

2. The broaching machine broach fixing tool according to claim 1, wherein the fixing mechanism comprises fixing pin holes (140) which are formed in the upper surface of the fixing end and correspondingly pass through two sides of the notch (120), fixing pins (500) penetrate through the fixing pin holes (140), and fixing holes which are arranged opposite to one corresponding fixing pin hole (140) are formed in two ends of the pressing plate (300).

3. The broaching machine broach fixing tool according to claim 2, wherein the fixing pin (500) is provided at an upper end thereof with a stopper (510) having an outer diameter larger than a fixed small outer circumference.

4. The broaching machine broach fixing tool according to claim 1, wherein a pressing block is rotatably connected to the lower end of the anti-warping bolt (400), and a pressing surface which abuts against a broach body is arranged on the lower surface of the pressing block.

5. The broaching machine broach fixing tool according to claim 1, wherein a compression spring (600) is sleeved above the anti-warping bolt (400) corresponding to the pressing plate (300), and a positioning groove in which the compression spring (600) is embedded is formed in the upper surface of the pressing plate (300).

6. The broaching machine broach fixing tool according to claim 1, wherein sliding protrusions arranged along the extending direction of the fixing base (100) are arranged on the side walls of the two sides of the mounting groove (110), and the sliding protrusions are in sliding fit with sliding grooves formed in the two sides of the mounting block (200).

7. The broaching machine broach fixing tool according to claim 1, wherein the width of the passing notch (120) is smaller than that of the mounting groove (110) and is centrally arranged on the mounting end face.

8. The broaching machine broach fixing tool according to any one of claims 1 to 7, further comprising a hilt fixing mechanism, wherein the hilt fixing mechanism comprises a hilt fixing plate (700) arranged at the upper end of the mounting block (200), a fixing bolt (800) extending towards the bottom wall of the hilt embedding groove (210) is screwed on the hilt fixing plate (700), and the fixing bolt (800) can abut against the broach hilt.

9. The broaching machine broach fixing tool according to claim 8, wherein mounting bolts (900) screwed with the mounting blocks (200) are arranged at two ends of the tool shank fixing plate (700).