Rapid clamping device for side plate of hydraulic gear pump

Abstract

The utility model relates to a hydraulic gear pump side plate machining device, in particular to a hydraulic gear pump side plate rapid clamping device. The tool structurally comprises a tool base, a datum hole positioning pile is arranged on the lower portion of the interior of the tool base, a positioning pile datum hole is formed in the position, above the datum hole positioning pile, of the interior of the tool base, a hydraulic oil cylinder is arranged below the tool base, and the upper end of a shaft core of the hydraulic oil cylinder is connected with a sliding receiving disc; a connecting rod pressing plate mechanism arranged in the tool base is connected to the upper portion of the sliding receiving disc, the connecting rod pressing plate mechanism drives the sliding receiving disc to move up and down through vertical movement of a shaft core of a hydraulic oil cylinder, and therefore the connecting rod pressing plate mechanism is controlled to fix a side plate workpiece placed on the tool base. The side plate positioning and clamping device can realize quick positioning and clamping of a side plate workpiece, and is convenient for processing of a subsequent process of a side plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to a hydraulic gear pump side plate processingequipment, especially relates to a hydraulic gear pump side plate quick clamping device. BACKGROUND

[0002] In the existing hydraulic gear pump side plate batch processing, clamping mode generally adopts double reference hole positioning, special pressing plate compression, manual mode unloading workpiece, respectively adopts different special pressing plate in the side plate's fine milling outer circle, chamfer, one side, two side each process processing, and uses special tooling.

[0003] Because the existing conventional technology processing technology, when the side plate is processed, the operator adopts the manual screwing of the inner square bolt fixing mode when loading and unloading the workpiece, the clamping force is unstable and time-consuming, the loading and unloading of the workpiece is time-consuming, the personnel is also easy to fatigue, and there are problems such as high processing cost, long cycle, poor consistency, which directly leads to unstable product quality and low processing efficiency. SUMMARY

[0004] In order to solve the problems of the prior art, the utility model provides a hydraulic gear pump side plate quick clamping device, which can realize the quick positioning and clamping of the side plate workpiece and facilitate the processing of the subsequent processes of the side plate.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] A hydraulic gear pump side plate quick clamping device, comprising a tooling base, a reference hole positioning pile is arranged inside the lower part of the tooling base, a positioning pile reference hole is arranged inside the tooling base above the reference hole positioning pile, a hydraulic oil cylinder is arranged below the tooling base, the shaft core upper end of the hydraulic oil cylinder is connected with a sliding interface disc, a connecting rod pressing plate mechanism arranged in the tooling base is connected above the sliding interface disc, the connecting rod pressing plate mechanism is driven to move up and down by the shaft core of the hydraulic oil cylinder, so as to control the connecting rod pressing plate mechanism to fix the side plate workpiece placed on the tooling base.

[0007] Preferably, the connecting rod pressing plate mechanism comprises a connecting rod and a pressing plate, the connecting rod is arranged in the tooling base, passes through the reference hole positioning pile and can move up and down, the lower end of the connecting rod is connected with the sliding interface disc, the upper end of the connecting rod is hinged with the rear end of the pressing plate, a supporting fixed block is further arranged on the sliding interface disc on one side of the connecting rod, and the middle part of the pressing plate is hinged with the supporting fixed block through a connecting sheet above the supporting fixed block.

[0008] Preferably, an oil cylinder fixing sleeve is arranged between the hydraulic oil cylinder and the reference hole positioning pile, and the oil cylinder fixing sleeve passes through the sliding interface disc.

[0009] Preferably, the reference hole positioning stake is fixed to the tooling base by a positioning pin.

[0010] Preferably, each tooling base is equipped with two sets of linkage pressure plate mechanisms.

[0011] Preferably, the upper end of the connecting rod is hinged to the rear end of the pressure plate via a T-pin.

[0012] Preferably, the upper end of the connecting piece is hinged to the middle of the pressure plate via a T-shaped pin.

[0013] The beneficial effects of the technical solution provided by this utility model are:

[0014] This utility model uses a hydraulic cylinder and a manual valve. The tooling base plate and accessories are designed according to the side plate size. Without the need to change the tooling and special pressure plate, it can complete the processing of precision milling of the outer circle, chamfering, one side and two sides. The change of hydraulic tensioning to replace manual loading and unloading method optimizes the tooling, integrates the process, and achieves low cost and high efficiency. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a top view of the structure of a quick clamping device for the side plate of a hydraulic gear pump according to the present invention;

[0017] Figure 2 for Figure 1 A partial sectional view of the structure along the AA direction. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Example

[0019] As attached Figure 1As shown, the embodiment provides a hydraulic gear pump side plate quick clamping device, which comprises a tool base 1, a reference hole positioning pile 2 is arranged inside and below the tool base 1, a positioning pile reference hole 3 is arranged inside the tool base 1 above the reference hole positioning pile 2, a hydraulic oil cylinder 4 is arranged below the tool base 1, the shaft core 5 of the hydraulic oil cylinder 4 is connected with a sliding interface disc 6 at the upper end, a connecting rod pressing plate mechanism arranged in the tool base 1 is connected above the sliding interface disc 6, the connecting rod pressing plate mechanism moves up and down through the shaft core 5 of the hydraulic oil cylinder 4 to drive the sliding interface disc 6 to move up and down, so that the connecting rod pressing plate mechanism controls the side plate workpiece 7 placed on the tool base 1 to be fixed.

[0020] In the embodiment, the connecting rod pressing plate mechanism comprises a connecting rod 8 and a pressing plate 9, the connecting rod 8 is arranged in the tool base 1, passes through the reference hole positioning pile 2 and can move up and down, the lower end of the connecting rod 8 is connected with the sliding interface disc 6, the rear end of the pressing plate 9 is hinged to the upper end of the connecting rod 8, a supporting fixed block 10 is further arranged on the sliding interface disc 6 at one side of the connecting rod 8, and the middle part of the pressing plate 9 is hinged to the upper end of the connecting rod 8 through a connecting piece 11.

[0021] In the embodiment, an oil cylinder fixing sleeve 12 is arranged between the hydraulic oil cylinder 4 and the reference hole positioning pile 2, and the oil cylinder fixing sleeve 12 passes through the sliding interface disc 6.

[0022] The reference hole positioning pile 2 is fixed to the tool base 1 through a positioning pin 15. Two groups of connecting rod pressing plate mechanisms are arranged on each group of tool bases.

[0023] The rear end of the pressing plate 9 is hinged to the upper end of the connecting rod 8 through a T-shaped pin 14.

[0024] The middle part of the pressing plate 9 is hinged to the upper end of the connecting rod 8 through a T-shaped pin 14.

[0025] The reciprocating action power source of the device is the hydraulic oil cylinder 4, which is fixed on the tool base 1 through the oil cylinder fixing sleeve 12 by means of an internal hexagonal bolt, the sliding interface disc 6 is fixed together with the hydraulic oil cylinder 4 by means of an external hexagonal bolt, an operator controls the oil cylinder 4 core shaft 5 to extend or retract by controlling the oil path direction through a hand valve, and drives the sliding interface disc 6 to reciprocate up and down along the direction of the oil cylinder fixing sleeve 12. The reference hole positioning pile 2 is fixed to the tool base 1 by means of an internal hexagonal bolt through a positioning pin 15, two reference hole positioning piles 2 are arranged for each side plate and are placed in order on the tool base 1. The supporting fixed block 10 is fixed to one side of the inner hole of the reference hole positioning pile 2, is connected with the lower end of the connecting piece 11 by means of a T-shaped pin 13, the upper end of the connecting piece 11 and the middle part pin hole of the pressing plate 9 are connected by means of a T-shaped pin 14, the rear end of the pressing plate 9 and the upper end of the connecting rod 8 are also connected by means of a T-shaped pin, so as to ensure that each part connected by means of a T-shaped pin can normally swing left and right, and the lower end of the connecting rod 8 and the sliding interface disc 6 are fixed together by means of an internal hexagonal bolt.

[0026] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A hydraulic gear pump side plate quick clamping device, comprising a tool base, a reference hole positioning pile is arranged below the inside of the tool base, a positioning pile reference hole is arranged above the inside of the tool base of the reference hole positioning pile, characterized in that, The hydraulic oil cylinder is arranged below the tool base, the upper end of the shaft core of the hydraulic oil cylinder is connected with the sliding connecting disc, the sliding connecting disc is connected with the connecting rod pressing plate mechanism arranged in the tool base, the connecting rod pressing plate mechanism moves up and down to drive the sliding connecting disc to move up and down, so that the connecting rod pressing plate mechanism is controlled to fix the side plate workpiece placed on the tool base.

2. A hydraulic gear pump side plate quick clamping device according to claim 1, characterized in that, The connecting rod pressing plate mechanism comprises a connecting rod and a pressing plate, the connecting rod is arranged in the tool base, passes through the reference hole positioning pile and can move up and down, the lower end of the connecting rod is connected with the sliding connecting disc, the upper end of the connecting rod is hinged with the rear end of the pressing plate, and the sliding connecting disc on one side of the connecting rod is further provided with a supporting fixed block, and the upper end of the supporting fixed block is hinged with the middle part of the pressing plate through a connecting sheet.

3. A hydraulic gear pump side plate quick clamping device according to claim 1, characterized in that, The hydraulic oil cylinder and the reference hole positioning pile are provided with an oil cylinder fixing sleeve, and the oil cylinder fixing sleeve passes through the sliding connecting disc.

4. A hydraulic gear pump side plate quick clamping device according to claim 1, characterized in that, The reference hole positioning pile is fixed on the tool base through a positioning pin.

5. A hydraulic gear pump side plate quick clamping device according to claim 1, characterized in that, Two groups of connecting rod pressing plate mechanisms are arranged on each group of tool bases.

6. A hydraulic gear pump side plate quick clamping device according to claim 2, characterized in that, The upper end of the connecting rod is hinged with the rear end of the pressing plate through a T-shaped pin.

7. A hydraulic gear pump side plate quick clamping device according to claim 2, characterized in that, The upper end of the connecting sheet is hinged with the middle part of the pressing plate through a T-shaped pin.

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