Piston connecting rod breaking machine

Abstract

The utility model piston connecting rod breaking machine relates to the technical field of automobile parts processing equipment, and more specifically, it particularly relates to a breaking machine for separating a piston connecting rod cap and a connecting rod. The middle part of the aluminum profile frame of the utility model is provided with a table panel for assembling loosening components and breaking components, and each corner of the bottom is provided with a foot; the loosening component is provided in the middle of the upper end surface of the table panel; the breaking component is provided on one side of the upper end surface of the table panel, and is arranged opposite to the loosening component; the vacuum cleaner is provided on the outside of the aluminum profile frame, and is connected to the vacuum pipe of the breaking component; the air source box is provided on one side of the lower part of the aluminum profile frame; the operation panel box is provided on one side of the upper part of the aluminum profile frame; and the electric cabinet is provided at the lower front of the aluminum profile frame. The technical solution of the utility model solves the problems of low production efficiency and inability to guarantee product quality in the prior art using manual breaking methods.

Description

Technical Field

[0001] The utility model discloses a piston connecting rod breaking machine, which relates to the technical field of automobile parts processing equipment, and in particular to a breaking machine which separates a piston connecting rod cap and a connecting rod. Background Art

[0002] The piston connecting rod is a component that connects the piston and the crankshaft, and can transmit the power generated by the piston to the crankshaft. Traditional connecting rods are mostly processed separately, which will cause some errors in precision. With the improvement of engine performance, the piston connecting rod cap and the connecting rod are a whole before processing, and the two are forcibly separated after fine processing, that is, broken. At present, the piston connecting rod is generally broken by manual breaking, which has problems such as low production efficiency and unguaranteed product quality.

[0003] In view of the problems existing in the above-mentioned prior art, it is very necessary to study and design a new type of piston connecting rod breaking machine to overcome the problems existing in the prior art. Summary of the invention

[0004] According to the above-mentioned prior art, the manual breaking method has technical problems such as low production efficiency and unguaranteed product quality. A piston connecting rod breaking machine is provided to solve the problems in the prior art.

[0005] The utility model adopts two electric loosening guns to loosen the bolts on the piston connecting rod head at the same time, and the bolts can be taken out; the breaking component adopts a cylinder to drive the connecting rod mechanism to break, which can ensure the stable breaking effect; a vibration motor is arranged on the breaking platform, and a dust collector is provided, the vibration motor can shake off the debris remaining on the debris connecting rod after breaking, and the debris can be removed from the dust suction pipe by the dust collector.

[0006] The technical means adopted by the utility model are as follows:

[0007] A piston connecting rod breaking machine comprises: an aluminum profile frame, a base, a table top, a loosening component, a breaking component, a vacuum cleaner, an air source box, an operation panel box and an electric cabinet;

[0008] Furthermore, a table panel for assembling the unscrewing parts and the breaking parts is provided in the middle of the aluminum profile frame, and footings are provided at each corner of the bottom;

[0009] Furthermore, the unscrewing component is arranged at the middle position of the upper end surface of the table panel;

[0010] Furthermore, the breaking component is arranged on one side of the upper end surface of the table panel, and is arranged opposite to the loosening component;

[0011] Furthermore, a vacuum cleaner is arranged outside the aluminum profile frame and connected to the vacuum pipe of the expansion and breaking component;

[0012] Furthermore, the air source box is arranged on one side of the lower part of the aluminum profile frame, and a pneumatic valve is arranged therein to control the movement of the cylinder;

[0013] Furthermore, an operation panel box is arranged on one side of the upper part of the aluminum profile frame, on which relevant control buttons and a display screen are installed, the control buttons are used to control the operation of the equipment, and the display screen is used to display the equipment status;

[0014] Furthermore, an electric cabinet is arranged at the lower front of the aluminum profile frame, and a PLC control system and related electric control components are arranged inside the electric cabinet.

[0015] Further, the loosening components include: a linear guide rail, a guide rail slider, a slide plate, a loosening gun bracket, a slide cylinder, a slide cylinder bracket and an electric loosening gun;

[0016] Furthermore, the two linear guide rails are horizontally fixed to the upper end surface of the table panel along the left and right directions by bolts;

[0017] Furthermore, a guide rail slider is fixedly mounted on the bottom of the slide plate, and is connected to the linear guide rail through the guide rail slider, and slides left and right along the linear guide rail;

[0018] Furthermore, the slide cylinder is fixedly mounted on the table panel through a slide cylinder bracket and is located at the tail end of the linear guide rail;

[0019] Furthermore, the front end of the cylinder rod of the slide cylinder is fixedly connected to the rear end of the slide plate;

[0020] Further, the gun bracket is loosened and fixed vertically to the upper end of the slide plate by bolts;

[0021] Furthermore, two electric loosening guns are arranged horizontally and symmetrically, and are mounted on a loosening gun bracket by bolts, and the front end loosening gun heads are arranged opposite to the expansion and breaking components.

[0022] Furthermore, the expansion and breaking components include: a support column, an expansion and breaking bottom plate, an expansion and breaking fixing plate, a V-shaped block, a positioning block, a vibration motor, a vibration motor connecting block, a clamping cylinder, a clamping connecting rod, a clamping block, a tensioning cylinder connecting head, an expansion and breaking connecting rod, an expansion and breaking shaft, a cutting shaft bracket, an expansion and breaking slider, an expansion and breaking block, an expansion and breaking cylinder bracket vertical plate, an expansion and breaking cylinder fixing plate and an expansion and breaking cylinder;

[0023] Furthermore, a support column is assembled at each of the four corners of the bottom of the expansion and breaking bottom plate through bolts, and is fixed in front of the loosening gun head of the electric loosening gun through the support column;

[0024] Furthermore, the expansion and breaking fixing plate is fixed to the rear portion of the upper end of the expansion and breaking bottom plate by bolts;

[0025] Furthermore, the V-shaped block is fixed to the front part of the upper end of the expansion and breaking bottom plate by bolts and is arranged opposite to the electric loosening gun;

[0026] Furthermore, the vibration motor connection block is fixed to the upper end of the expansion and breaking bottom plate by bolts, and is located on one side of the expansion and breaking fixing plate;

[0027] Further, the vibration motor is fixedly mounted on the vibration motor connecting block;

[0028] Furthermore, the positioning block is fixed to the upper end of the expansion and breaking bottom plate by bolts, and its top end passes through the middle through hole of the expansion and breaking fixing plate, and is used to position the piston connecting rod;

[0029] Furthermore, the clamping cylinder is vertically fixed to the lower end of the rear part of the expansion and breaking fixing plate by bolts, and the top end of the cylinder rod is hinged to the rear part of the clamping connecting rod;

[0030] Furthermore, the front part of the clamping connecting rod is fixedly connected to the clamping block by bolts, and the clamping block is located in front of the positioning block and is used to clamp the piston connecting rod;

[0031] Furthermore, two expansion and breaking cylinder bracket upright plates are fixed to the lower end of the expansion and breaking bottom plate by bolts;

[0032] Furthermore, rotating shafts are arranged on both sides of the expansion and breaking cylinder fixing plate, and are connected to small holes at the lower parts of the two expansion and breaking cylinder bracket vertical plates through the rotating shafts, so that the expansion and breaking cylinder fixing plate can rotate within a certain range;

[0033] Furthermore, the breaking cylinder is fixed to the bottom of the breaking cylinder fixing plate by bolts, and the top end of the cylinder rod passes through the breaking cylinder fixing plate and is connected to the bottom end of the breaking cylinder connector;

[0034] Furthermore, the top end of the break cylinder connector is connected to two break connecting rods;

[0035] Further, the expansion shaft bracket is fixed to the bottom end of the expansion bottom plate by bolts and is located between the two expansion cylinder bracket vertical plates;

[0036] Furthermore, the two expansion shafts are fixed on the expansion shaft bracket in parallel along the track direction of the linear guide rail;

[0037] Furthermore, the bottom of the breaking slider passes through the two breaking shafts and can slide along the axial direction of the breaking shafts;

[0038] Furthermore, the expansion block is fixed to the upper end of the expansion slider by bolts and can move with the expansion slider; the expansion block passes through the expansion bottom plate from bottom to top and then passes through the through hole of the expansion fixing plate together with the positioning block, and is located at the rear of the positioning block;

[0039] Furthermore, one of the two breaking connecting rods is connected to the front end of the breaking connecting rod, and the other is connected to the bottom end of the breaking slider; under the action of the breaking cylinder, the breaking slider is driven to slide along the breaking axis.

[0040] Furthermore, a shock-absorbing block is installed between the support column and the expansion and breaking bottom plate;

[0041] Furthermore, the shock-absorbing block is assembled on the bolts connecting the support column and the expansion-breaking bottom plate.

[0042] Furthermore, a dust suction pipe for connecting to a dust collector is fixedly mounted on the front lower end of the expansion and breaking bottom plate by means of bolts.

[0043] The working process of the utility model is:

[0044] The piston head of the piston connecting rod component is placed on the V-block, and the inner hole of the connecting rod is placed on the expansion and breaking fixed plate, and is positioned with the positioning block; then the start button on the operation panel box is pressed; the clamping cylinder extends to drive the clamping connecting rod to swing downward, and the clamping block at the front end of the connecting rod is used to clamp the piston connecting rod part to ensure that the piston connecting rod does not move; then the slide cylinder extends to drive the electric loosening gun to move forward, and the sleeve at the front end of the electric loosening gun covers the bolt on the connecting rod head, and then the loosening gun starts to loosen, and after the loosening is completed, the slide cylinder is retracted to drive the electric loosening gun to move backward, and at the same time, the electric loosening gun brings the bolt on the connecting rod head out of the connecting rod head; then the expansion and breaking cylinder extends, and the expansion and breaking connecting rod drives the expansion and breaking block installed on the expansion and breaking slide block to move backward along the expansion and breaking axis direction to disconnect the piston connecting rod; then the expansion and breaking cylinder is retracted to drive the expansion and breaking block to retract; then the vibration motor and the vacuum cleaner are started at the same time to shake off the debris remaining on the debris connecting rod after the expansion and breaking, and the debris is removed from the vacuum pipe by the vacuum cleaner, and the loosening and breaking is completed at one time.

[0045] Compared with the prior art, the utility model has the following advantages:

[0046] 1. The piston connecting rod breaking machine provided by the utility model has a high degree of automation, can automatically realize the loosening and breaking operations, has a stable breaking effect, and the loosening and breaking process is controlled by PLC;

[0047] 2. The piston connecting rod breaking machine provided by the utility model adopts a vibration motor to shake off the debris remaining on the connecting rod after breaking;

[0048] 3. The piston connecting rod breaking machine provided by the utility model has high production efficiency.

[0049] 4. The piston connecting rod breaking machine provided by the utility model can significantly improve production efficiency, reduce production costs, and create good economic benefits for users.

[0050] In summary, the technical solution of the utility model solves the problems of low production efficiency and unguaranteed product quality in the prior art using the manual breaking method. BRIEF DESCRIPTION OF THE DRAWINGS

[0051] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0052] Figure 1 This is the front view of the utility model;

[0053] Figure 2 It is a side view of the utility model;

[0054] Figure 3 It is a top view of the utility model;

[0055] Figure 4 This is a schematic diagram of the structure of the unscrewing component of the utility model;

[0056] Figure 5 This is a schematic diagram of the structure of the expansion and breaking component of the utility model;

[0057] Figure 6 This is a schematic diagram of the lower structure of the expansion and breaking bottom plate for positioning the expansion and breaking component of the utility model;

[0058] Figure 7 For this utility model Figure 6 Side view.

[0059] In the figure: 1, aluminum profile frame 2, foot 3, table panel 4, loosening component 401, linear guide 402, guide slider 403, slide plate 404, loosening gun bracket 405, slide cylinder 406, slide cylinder bracket 407, electric loosening gun 5, expansion and breaking component 501, support column 502 shock absorber 503, expansion and breaking bottom plate 504, expansion and breaking fixing plate 505, V-block 506, positioning block 507, vibration motor 5 08. Vibration motor connecting block 509, clamping cylinder 510, clamping connecting rod 511, clamping block 512, tensioning cylinder connecting head 513, tensioning connecting rod 514, tensioning shaft 515, cutting shaft bracket 516, tensioning slider 517, tensioning block 518, tensioning cylinder bracket vertical plate 519, tensioning cylinder fixing plate 520, tensioning cylinder 521, dust suction pipe 6, vacuum cleaner 7, air source box 8, operation panel box 9, electric cabinet. DETAILED DESCRIPTION

[0060] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0061] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means a limitation on the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0062] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the utility model. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0063] Unless otherwise specifically stated, the relative arrangement of the parts and steps described in these embodiments, numerical expressions and numerical values ​​do not limit the scope of the utility model. At the same time, it should be clear that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be regarded as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once a certain item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0064] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise stated, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present utility model: the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0065] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below their position devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0066] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0067] like Figure 1-3 As shown, the utility model provides a piston connecting rod breaking machine comprising: an aluminum profile frame 1, a foot 2, a table panel 3, a loosening component 4, a breaking component 5, a dust collector 6, an air source box 7, an operation panel box 8 and an electric cabinet 9; a table panel 3 for assembling the loosening component 4 and the breaking component 5 is arranged in the middle of the aluminum profile frame 1, and a foot 2 is arranged at each corner of the bottom; the loosening component 4 is arranged at the middle position of the upper end surface of the table panel 3; the breaking component 5 is arranged on one side of the upper end surface of the table panel 3, and is arranged opposite to the loosening component 4; the dust collector 6 is arranged It is placed outside the aluminum profile frame 1 and connected to the dust suction pipe 521 of the breaking component; the air source box 7 is arranged on the lower side of the aluminum profile frame 1, and a pneumatic valve is arranged inside it to control the movement of the cylinder; the operation panel box 8 is arranged on the upper side of the aluminum profile frame 1, and relevant control buttons and display screens are installed on it. The control buttons are used to control the movement of the equipment, and the display screen is used to display the status of the equipment; the electric cabinet 9 is arranged at the lower front of the aluminum profile frame 1, and a PLC control system and relevant electrical control components are arranged inside it.

[0068] like Figure 4As shown, the loosening component 4 includes: a linear guide 401, a guide slider 402, a slide plate 403, a loosening gun bracket 404, a slide cylinder 405, a slide cylinder bracket 406 and an electric loosening gun 407; the two linear guides 401 are horizontally fixed to the upper end surface of the table plate 3 along the left and right directions by bolts; the bottom of the slide plate 403 is fixedly equipped with a guide slider 402, and is connected to the linear guide 401 through the guide slider 402, and moves along the linear guide 4 01 slides left and right; the slide cylinder 405 is fixedly mounted on the table panel 3 through the slide cylinder bracket 406, and is located at the tail end of the linear guide 401; the front end of the cylinder rod of the slide cylinder 405 is fixedly connected to the tail end of the slide plate 403; the loosening gun bracket 404 is vertically fixed to the upper end of the slide plate 3 by bolts; two electric loosening guns 407 are horizontally symmetrically arranged, and are mounted on the loosening gun bracket 404 by bolts, and the front end loosening gun head is arranged opposite to the breaking component 5.

[0069] like Figure 5-7As shown, the expansion and breaking components include: a support column 501, an expansion and breaking bottom plate 503, an expansion and breaking fixing plate 504, a V-shaped block 505, a positioning block 506, a vibration motor 507, a vibration motor connecting block 508, a clamping cylinder 509, a clamping connecting rod 510, a clamping block 511, a tensioning cylinder connecting head 512, an expansion and breaking connecting rod 513, an expansion and breaking shaft 514, a cutting shaft bracket 515, an expansion and breaking slider 516, an expansion and breaking block 517, an expansion and breaking cylinder bracket vertical plate 518, an expansion and breaking cylinder fixing plate 519 and an expansion and breaking cylinder 520; a support column 501 is assembled at each of the four corners of the bottom of the expansion and breaking bottom plate 503 by bolts, and is fixed in front of the loosening gun head of the electric loosening gun 407 by the support column 501; the expansion and breaking fixing plate 504 is fixed to the expansion and breaking bottom plate by bolts. 503 upper rear part; V-block 505 is fixed to the upper front part of the expansion bottom plate 503 by bolts, and is arranged opposite to the electric loosening gun 407; the vibration motor connecting block 508 is fixed to the upper end of the expansion bottom plate 503 by bolts, and is located on one side of the expansion fixing plate 504; the vibration motor 507 is fixedly mounted on the vibration motor connecting block 508; the positioning block 506 is fixed to the upper end of the expansion bottom plate 503 by bolts, and its top end passes through the middle through hole of the expansion fixing plate 504, which is used to position the piston connecting rod; the clamping cylinder 509 is vertically fixed to the lower end of the rear part of the expansion fixing plate 504 by bolts, and the top end of the cylinder rod is hinged to the rear of the clamping connecting rod 510; the front part of the clamping connecting rod 510 is fixedly connected to the clamping block 511 by bolts, and the clamping block 511 is located The front part of the positioning block 506 is used to press the piston connecting rod; the two expansion and breaking cylinder support vertical plates 518 are fixed to the lower end of the expansion and breaking bottom plate 503 by bolts; rotating shafts are set on both sides of the expansion and breaking cylinder fixing plate 519, and are connected to the small holes at the bottom of the two expansion and breaking cylinder support vertical plates 518 through the rotating shafts, so that the expansion and breaking cylinder fixing plates 519 can rotate within a certain range; the expansion and breaking cylinder 520 is fixed to the bottom of the expansion and breaking cylinder fixing plate 519 by bolts, and the top end of its cylinder rod passes through the expansion and breaking cylinder fixing plate 519 and is connected to the bottom end of the expansion and breaking cylinder connecting head 512; the top end of the expansion and breaking cylinder connecting head 512 is connected to the two expansion and breaking connecting rods 513; the expansion and breaking shaft bracket 515 is fixed to the bottom end of the expansion and breaking bottom plate 503 by bolts, and is located at the two expansion and breaking cylinder support vertical plates 51 8; the two breaking shafts 514 are fixed on the breaking shaft bracket 515 in parallel along the trajectory direction of the linear guide 401; the bottom of the breaking slider 516 passes through the two breaking shafts 514 and can slide along the axial direction of the breaking shaft 514; the breaking block 517 is fixed to the upper end of the breaking slider 516 by bolts and can move with the breaking slider 516; the breaking block 517 passes through the breaking bottom plate 503 from bottom to top and then passes through the through hole of the breaking fixed plate 504 together with the positioning block 506, and is located at the rear of the positioning block 506; one of the two breaking connecting rods 513 is connected to the front end of the breaking connecting rod 515, and the other is connected to the bottom end of the breaking slider 516; under the action of the breaking cylinder 520, the breaking slider 516 is driven to slide along the breaking shaft 514.

[0070] like Figure 5 As shown, a shock absorbing block 502 is installed between the support column 501 and the expansion and breaking bottom plate 503 ; the shock absorbing block 502 is installed on the bolts connecting the support column 501 and the expansion and breaking bottom plate 503 .

[0071] like Figure 5 As shown, a dust suction pipe 521 for connecting to a dust collector 6 is also fixedly mounted on the front lower end of the expansion and breaking bottom plate 503 by means of bolts.

[0072] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A piston connecting rod breaking machine, characterized in that: The piston connecting rod breaking machine comprises: an aluminum profile frame (1), a base (2), a table top (3), a loosening component (4), a breaking component (5), a vacuum cleaner (6), an air source box (7), an operation panel box (8) and an electric cabinet (9); A table panel (3) for assembling a loosening component (4) and a breaking component (5) is provided in the middle of the aluminum profile frame (1), and footings (2) are provided at each corner of the bottom; The unscrewing component (4) is arranged at the middle of the upper end surface of the table panel (3); The expansion and breaking component (5) is arranged on one side of the upper end surface of the table panel (3) and is arranged opposite to the loosening component (4); The vacuum cleaner (6) is arranged outside the aluminum profile frame (1) and is connected to the vacuum pipe (521) of the expansion and breaking component; The air source box (7) is arranged on one side of the lower part of the aluminum profile frame (1), and a pneumatic valve is arranged inside the air source box to control the movement of the cylinder; The operation panel box (8) is arranged on one side of the upper part of the aluminum profile frame (1), and is provided with relevant control buttons and a display screen, wherein the control buttons are used to control the operation of the device, and the display screen is used to display the status of the device; The electric cabinet (9) is arranged at the lower front of the aluminum profile frame (1), and a PLC control system and electrical control components are arranged inside the electric cabinet.

2. The piston connecting rod breaking machine according to claim 1, characterized in that: The loosening component (4) comprises: a linear guide rail (401), a guide rail slider (402), a slide plate (403), a loosening gun bracket (404), a slide cylinder (405), a slide cylinder bracket (406) and an electric loosening gun (407); The two linear guide rails (401) are horizontally fixed to the upper end surface of the table panel (3) along the left-right direction by bolts; The bottom of the slide plate (403) is fixedly provided with a guide rail slider (402), which is connected to the linear guide rail (401) through the guide rail slider (402) and slides left and right along the linear guide rail (401); The slide cylinder (405) is fixedly mounted on the table panel (3) via a slide cylinder bracket (406) and is located at the tail end of the linear guide rail (401); The front end of the cylinder rod of the slide cylinder (405) is fixedly connected to the rear end of the slide plate (403); The loosening gun bracket (404) is vertically fixed to the upper end of the slide plate (403) by bolts; The two electric loosening guns (407) are arranged horizontally and symmetrically, and are mounted on the loosening gun bracket (404) by means of bolts, and the front end loosening gun heads are arranged opposite to the expansion and breaking component (5).

3. The piston connecting rod breaking machine according to claim 1, characterized in that: The expansion and breaking components include: a support column (501), an expansion and breaking bottom plate (503), an expansion and breaking fixing plate (504), a V-shaped block (505), a positioning block (506), a vibration motor (507), a vibration motor connecting block (508), a clamping cylinder (509), a clamping connecting rod (510), a clamping block (511), a tensioning cylinder connecting head (512), an expansion and breaking connecting rod (513), an expansion and breaking shaft (514), a cutting shaft bracket (515), an expansion and breaking slider (516), an expansion and breaking block (517), an expansion and breaking cylinder bracket vertical plate (518), an expansion and breaking cylinder fixing plate (519) and an expansion and breaking cylinder (520); A support column (501) is assembled at each of the four corners of the bottom of the expansion and breaking bottom plate (503) by bolts, and is fixed in front of the loosening gun head of the electric loosening gun (407) by the support column (501); The expansion and breaking fixing plate (504) is fixed to the upper rear portion of the expansion and breaking bottom plate (503) by means of bolts; The V-shaped block (505) is fixed to the front upper end of the expansion and breaking bottom plate (503) by means of bolts and is arranged opposite to the electric loosening gun (407); The vibration motor connection block (508) is fixed to the upper end of the expansion-break bottom plate (503) by means of bolts and is located on one side of the expansion-break fixing plate (504); The vibration motor (507) is fixedly mounted on the vibration motor connecting block (508); The positioning block (506) is fixed to the upper end of the expansion and breaking bottom plate (503) by means of bolts, and its top end passes through the middle through hole of the expansion and breaking fixing plate (504), and is used to position the piston connecting rod; The clamping cylinder (509) is vertically fixed to the lower rear end of the expansion and breaking fixing plate (504) by bolts, and the top end of the cylinder rod is hinged to the rear of the clamping connecting rod (510); The front part of the pressing connecting rod (510) is fixedly connected to the pressing block (511) by means of bolts. The pressing block (511) is located in front of the positioning block (506) and is used to press the piston connecting rod. The two expansion and breaking cylinder support upright plates (518) are fixed to the lower end of the expansion and breaking bottom plate (503) by bolts; Rotating shafts are arranged on both sides of the said breaking cylinder fixing plate (519), and are connected to small holes at the bottom of two breaking cylinder support vertical plates (518) through the rotating shafts, so that the breaking cylinder fixing plate (519) can rotate within a certain range; The breaking cylinder (520) is fixed to the bottom of the breaking cylinder fixing plate (519) by bolts, and the top end of the cylinder rod passes through the breaking cylinder fixing plate (519) and is connected to the bottom end of the breaking cylinder connecting head (512); The top end of the expansion-breaking cylinder connecting head (512) is connected to two expansion-breaking connecting rods (513); The expansion shaft support (515) is fixed to the bottom end of the expansion bottom plate (503) by bolts and is located between the two expansion cylinder support vertical plates (518); The two expansion and breaking shafts (514) are fixed in parallel on the expansion and breaking shaft bracket (515) along the track direction of the linear guide rail (401); The bottom of the expansion and breaking slider (516) passes through the two expansion and breaking shafts (514) and can slide along the axial direction of the expansion and breaking shafts (514); The expansion and breaking block (517) is fixed to the upper end of the expansion and breaking slider (516) by bolts and can move together with the expansion and breaking slider (516); the expansion and breaking block (517) passes through the expansion and breaking bottom plate (503) from bottom to top and then passes through the through hole of the expansion and breaking fixing plate (504) together with the positioning block (506), and is located at the rear of the positioning block (506); One of the two breaking connecting rods (513) is connected to the front end of the breaking shaft bracket (515), and the other is connected to the bottom end of the breaking slider (516); under the action of the breaking cylinder (520), the breaking slider (516) is driven to slide along the breaking shaft (514).

4. The piston connecting rod breaking machine according to claim 3, characterized in that: A shock absorbing block (502) is installed between the support column (501) and the expansion and breaking bottom plate (503); The shock absorbing block (502) is assembled on the bolts connecting the support column (501) and the expansion and breaking bottom plate (503).

5. The piston connecting rod breaking machine according to claim 3, characterized in that: The front portion of the lower end of the expansion and breaking bottom plate (503) is also fixed with a dust suction pipe (521) for connecting to a dust collector (6) via bolts.

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